Office Action 1: Notice of Allowance (2025-11-19)

CLAIMS:
WHAT IS CLAIMED IS:

1\. A large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures, comprising cantilever trusses with arc-shaped facades, orthogonal connecting trusses at a corridor, connecting trusses at cantilever portions, corridor truss structures, and stay cable supporting structures;
the cantilever trusses with arc-shaped facades are composed of two sets of ultra-long cantilever trusses with arc-shaped facades and triquetrous planes wherein the two sets of ultra- long cantilever trusses with arc-shaped facades and triquetrous planes are fixedly supported by ground and symmetrical, and each are formed of several ultra-long cantilever trusses with arc- shaped facades and triquetrous planes arranged in parallel at a certain distance;
the orthogonal connecting trusses at the corridor are located between the several ultra-long cantilever trusses with arc-shaped facades and triquetrous planes of each cantilever truss with arc- shaped facades at a height of the corridor of each set of ultra-long cantilever trusses with arc- shaped facades, and is in the form of a planar truss and is orthogonally arranged with and rigidly connected to the cantilever trusses with arc-shaped facades;
the connecting trusses at cantilever portions are located between the several ultra-long cantilever trusses with arc-shaped facades and triquetrous planes and are in the form of a planar truss, and are arranged at a certain distance and orthogonally rigidly connected to the ultra-long cantilever trusses with arc-shaped facades and triquetrous planes;
the corridor truss structures are composed of a middle large-span corridor truss area and cantilever corridor truss areas on both sides, and are in the form of a double-layer-union jack- shaped diagonal bracing truss structure, whose cantilever ends are rigidly supported on the cantilever trusses with arc-shaped facades, and form a horizontal integral continuity truss structure;
the stay cable supporting structures are located between the cantilever portions of the cantilever trusses with arc-shaped facades and the corridor truss structures, and includes stay cable supporting structures in the cantilever corridor truss areas and stay cable supporting structures in the large-span corridor truss area, top ends of stay cables (28) of the stay cable supporting structures are suspended at a connection of the connecting trusses at cantilever portions and the cantilever trusses with arc-shaped facades or at top cantilever ends of the cantilever trusses with arc-shaped facades (6), bottom ends of the stay cables (28) of the stay cable supporting structures are connected at cantilever portions and large-span portion of the corridor truss structures.
2\. The large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures according to claim 1, wherein the cantilever trusses with arc-shaped facades are composed of two sets of ultra-long cantilever trusses with arc-shaped facades and triquetrous planes in an inner convexity shape and form a main body structure of the two sets of ultra-long cantilever trusses with arc-shaped facades and triquetrous planes with fixed support on the ground;
each ultra-long cantilever trusses with arc-shaped facades and triquetrous planes is composed of outer chords (1) of the cantilever trusses with arc-shaped facades, inner chords (2) of the cantilever trusses with arc-shaped facades, vertical webs (3) of the cantilever trusses with arc-shaped facades, and diagonal webs (4) of the cantilever trusses with arc-shaped facades; a width of each ultra-long cantilever truss with arc-shaped facades and triquetrous planes has a decreasing shape from a bottom landing end (5) of one of the cantilever trusses with arc-shaped facades to a top cantilever end (6) corresponding of the cantilever truss with arc-shaped facades, and intersect at point at a top thereof.

3\. The large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures according to claim 2, wherein each ultra-long cantilever truss with arc- shaped facades and triquetrous planes is in the form of a planar triangle grid truss and has arc- shaped facades, each angle between connecting chord long lines from the bottom landing ends (5) of the cantilever trusses with arc-shaped facades to the top cantilever ends (6) of the cantilever trusses with arc-shaped facades and horizontal ground is 50-80 degrees, a width of each bottom landing end of the cantilever trusses with arc-shaped facades (5) is 4-8 m, and distance between two ultra-long cantilever trusses with arc-shaped facades and triquetrous planes adjacent is 8-15 m, a horizontal cantilever length from one of the bottom landing ends (5) of the cantilever trusses with arc-shaped facades to the corresponding top cantilever end (6) of the cantilever trusses with arc-shaped facades is 20-50 m, and a height of each ultra-long cantilever truss with arc-shaped facades and triquetrous planes is 40-80 m; each cross section of the outer chords of the cantilever trusses with arc-shaped facades and inner chords of the cantilever trusses with arc-shaped facades (2) is a circular pipe with a diameter of 600-1500 mm; each cross section of the vertical webs of the cantilever trusses with arc-shaped facades and diagonal webs of the cantilever trusses with arc- shaped facades is a circular pipe with a diameter of 400-800 mm.
4\. The large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures according to claim 1, wherein each orthogonal connecting trusses at the corridor is in the form of a planar truss with uniform section and is orthogonally arranged with and rigidly connected to the cantilever trusses with arc-shaped facades; the orthogonal connecting trusses at the corridor are corresponded to an upper chord layer, a middle chord layer and a lower chord layer of the corridor truss structures in positions of each cantilever truss with arc-shaped facades, and are in the form of multiplane truss structures; each orthogonal connecting truss at the corridor is composed of outer chords (7) of the orthogonal trusses at the corridor, inner chords (8) of the orthogonal trusses at the corridor, vertical webs (9) of the orthogonal trusses at the corridor, and diagonal webs (10) of the orthogonal trusses at the corridor; and the vertical webs (9) of the orthogonal trusses at the corridor and the diagonal webs (10) of the orthogonal trusses at the corridor are arranged between the outer chords (7) of the orthogonal trusses at the corridor and the inner chords (8) of the orthogonal trusses at the corridor; the orthogonal connecting trusses at the corridor are rigidly connected to the cantilever trusses with arc-shaped facades by outer chord rigid connecting ends (11) of the orthogonal trusses at the corridor and inner chord rigid connecting ends (12) the orthogonal trusses at the corridor; each orthogonal connecting truss at the corridor is in the form of a planar truss with uniform section having a width of 3-6 m, and distance between two adjacent orthogonal connecting trusses at the corridor is 4-8 m; each cross section of the outer chords of the orthogonal trusses at the corridor, the inner chords of the orthogonal trusses at the corridor, the vertical webs of the orthogonal trusses at the corridor and the diagonal webs of the orthogonal trusses at the corridor is a circular pipe, a diameter of each outer chord of the orthogonal trusses at the corridor and each inner chord of the orthogonal trusses at the corridor is 400-800 mm, and a diameter of each vertical web of the orthogonal trusses at the corridor and each diagonal web of the orthogonal trusses at the corridor web is 200-500 mm.

5\. The large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures according to claim 1, wherein the connecting trusses at cantilever portions are located between the several ultra-long cantilever trusses with arc-shaped facades and triquetrous planes of each set of cantilever trusses with arc-shaped facades; each connecting truss at cantilever portions is composed of outer chords (13) of the connecting trusses at cantilever portions, inner chords (14) of the connecting trusses at cantilever portions, vertical webs (15) of the connecting trusses at cantilever portions, and diagonal webs (16) of the connecting trusses at cantilever portions, the vertical webs (15) of the connecting trusses at cantilever portions, and
diagonal webs (16) of the connecting trusses at cantilever portions are provided between the outer chords (13) of the connecting trusses at cantilever portions and the inner chords (14) of the connecting trusses at cantilever portions; the connecting trusses at cantilever portions are rigidly connected to the cantilever trusses with arc-shaped facades by outer chord rigid connecting ends (17) of the connecting trusses at cantilever portions and inner chord rigid connecting ends (18) of the connecting trusses at cantilever portions; a width of each connecting truss at cantilever portions is 1-4 m and is same as a width at a position corresponding to the cantilever trusses with arc-shaped facades, distance between two connecting trusses at cantilever portions adjacent is 8-14 m; each cross section of the outer chords of the connecting trusses at cantilever portions, the inner chords of the connecting trusses at cantilever portions, the vertical webs of the connecting trusses at cantilever portions, and the diagonal webs of the connecting trusses at cantilever portions is a circular pipe, a diameter of each outer chord of the connecting trusses at cantilever portions and each inner chord of the connecting trusses at cantilever portions is 300-600 mm, and a diameter of each vertical web of the connecting trusses at cantilever portions, and each diagonal web of the connecting trusses at cantilever portions is 200-400 mm.

6\. The large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures according to claim 1, wherein the corridor truss structures are composed of a middle large-span corridor truss area located between the two sets of cantilever trusses with arc- shaped facades, and two cantilever corridor truss areas on both sides located outside the two sets of cantilever trusses with arc-shaped facades; number of the corridor truss structures is same as number of the ultra-long cantilever trusses with arc-shaped facades and triquetrous planes of each set of cantilever trusses with arc-shaped facades, and the corridor truss structures are composed of several double-layer trusses arranged in a longitudinal direction; each corridor truss structure is composed of upper chords (19) of the corridor truss structures, middle chords (20) of the corridor truss structures, lower chords (21) of the corridor truss structures, vertical webs (22) of the corridor truss structures and diagonal webs (23) of the corridor truss structures, which form a double-layer- union jack-shaped diagonal bracing truss structure, the vertical webs (22) of the corridor truss structures and the diagonal webs (23) of the corridor truss structures are arranged between the upper chords (19) of the corridor truss structures, the middle chords (20) of the corridor truss structures and the lower chords (21) of the corridor truss structures; each corridor truss structures is a double-layer roof floor structure, roof connecting steel beams (24) of the corridor truss structures and floor connecting steel beams (25) of the corridor truss structures are respectively arranged on roof and floor of the corridor truss structures and are rigidly connected to each corridor truss structure; stiffeners of steel truss joint (32) are provided at intersections of the diagonal webs (23) of the corridor truss structures.
7\. The large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures according to claim 6, wherein both ends of the middle large-span corridor truss area are rigidly supported on the outer chord rigid connecting ends (11) of the orthogonal connecting trusses at the corridor, the cantilever ends of the cantilever corridor truss area on both sides are rigidly supported on the inner chord rigid connecting ends (12) of the orthogonal connecting trusses at the corridor; roof horizontal stay cables (26) of the corridor truss structures and floor horizontal stay cables (27) of the corridor truss structures are respectively arranged on the roof and the floor of the corridor truss structures; each corridor truss structure is in the form of a planar truss with uniform section; a single-layer height of each corridor truss structure is 4-5 m, a corresponding double-layer height is 8-10 m, and space between two corridor truss structures adjacent is 8-15 m; each cross section of members of the upper chords (19) of the corridor truss structures, the middle chords (20) of the corridor truss structures and the lower chords (21) of the corridor truss structures is a box-shaped cross section with a height of 600-800 mm; each cross section of members of the vertical webs (22) of the corridor truss structures and the diagonal webs (23) of the corridor truss structures is a box-shaped cross section with a height of 300-500 mm;
each cross section of members of the roof connecting steel beams (24) of the corridor truss structures and the floor connecting steel beams (25) of the corridor truss structures is a H-shaped cross section with a height 400-600 mm; each cross-section of members of the roof horizontal stay cable (26) of corridor truss structures and the floor horizontal stay cable (27) of corridor truss structures is a H-shaped cross section or a solid steel strut.

8\. The large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures according to claim 1, wherein the stay cable supporting structures are composed of multiple sets of stay cables (28) of the stay cable supporting structures, and located above the cantilever corridor truss areas on both sides and the middle large-span corridor truss area, top suspending ends (30) of the stay cable supporting structures located above the cantilever corridor truss areas on both sides are respectively located at the top cantilever ends (6) of cantilever trusses with arc-shaped facades and the inner chords (14) of connecting trusses at cantilever portions; the top suspending ends (30) of the stay cable supporting structure located above the middle large-span corridor truss area is located at the outer chords (13) of the connecting trusses at cantilever portions; bottom suspending ends (29) of the stay cable supporting structures are located at joints of the upper chords (19) of the corridor truss structures; stay cables (28) of the corridor truss structures is obliquely arranged; ends of the stay cables (28) of the corridor truss structures are hinged and connected using column hinge joints, the upper chords (19) of the corridor truss structures at joints are provided with stiffeners (33) of stay cable end joints; each member of the stay cables (28) of the corridor truss structures is a solid steel strut, and a diameter of each cross section of members of the stay cables (28) of the corridor truss structures is 60-150 mm; angle of inclination of each stay cable (28) of the corridor truss structures is between 15 degrees - 45 degrees.

9\. A method for constructing the large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures according to claim 1, comprising following steps:
S1, constituting a set of cantilever trusses with arc-shaped facades using outer chords (1) of the cantilever trusses with arc-shaped facades, inner chords (2) of the cantilever trusses with arc- shaped facades, vertical webs (3) of the cantilever trusses with arc-shaped facades, and diagonal webs (4) of the cantilever trusses with arc-shaped facades, two sets of the cantilever trusses with arc-shaped facades are symmetrically arranged at both sides based on a central positioning point (31), and bottoms of the cantilever trusses with arc-shaped facades are landing supported at bottom landing ends (5) of the cantilever trusses with arc-shaped facades, tops of the cantilever trusses with arc-shaped facades are cantilevered to the top cantilever ends (6) of cantilever trusses with arc-shaped facades to form a main body structure of the two sets of the cantilever trusses with arc- shaped facades landing fixedly supported;
S2, constituting the orthogonal connecting trusses at the corridor in a form of planar truss using outer chords (7) of the orthogonal connecting trusses at the corridor, inner chords (8) of the orthogonal connecting trusses at the corridor, vertical webs (9) of the orthogonal connecting trusses at the corridor and diagonal webs (10) of the orthogonal connecting trusses at the corridor;
S3, arranging orthogonally the main body structure of the cantilever trusses with arc-shaped facades generated in S1 and the orthogonal connecting trusses at the corridor generated in S2, and
connecting rigidly outer chord rigid connecting ends (11) of the orthogonal connecting trusses at the corridor to inner chord rigid connecting ends (12) of the orthogonal connecting trusses at the corridor, so as to form a core support framework together;
S4, constituting the connecting trusses at cantilever portions using outer chords (13) of the connecting trusses at cantilever portions, inner chords (14) of the connecting trusses at cantilever portions, vertical webs (15) of the connecting trusses at cantilever portions and diagonal webs (16) of the connecting trusses at cantilever portions;
S5, connecting rigidly the connecting trusses at cantilever portions generated in S4 through cantilever portions of each set of the cantilever trusses with arc-shaped facades to outer chord rigid connecting ends (17) of the connecting trusses at cantilever portions and inner chord rigid connecting ends (18); of the connecting trusses at cantilever portions S6, constituting a main body structure of each corridor truss structure using upper chords (19) of the corridor truss structures, middle chords (20) of the corridor truss structures, lower chords (21) of the corridor truss structures, vertical webs (22) of the corridor truss structures and diagonal webs (23) of the corridor truss structures;
S7, connecting every corridor truss structure generated in S6 by roof connecting steel beams (24) of the corridor truss structures and floor connecting steel beams (25) of the corridor truss structures, so as to form the corridor truss structures, and enhancing the corridor truss structures by stiffeners (32) of steel truss joints at intersections of diagonal webs (23) of the corridor truss structures;
S8, improving in-plane torsional rigidity of the corridor truss structures generated in S7 by roof horizontal stay cables (26) of the corridor truss structures and floor horizontal stay cables (27) of the corridor truss structures;
S9, large-span supporting ends of the corridor truss structures is the outer chord rigid connecting ends (11) of the orthogonal connecting trusses at the corridor, and cantilever supporting ends of the corridor truss structures is the inner chord rigid connecting ends (12) of the orthogonal connecting trusses at the corridor;
S10, connecting the bottom ends (28) of the stay cables of the stay cable supporting structures to bottom suspending ends (29) of the stay cable supporting structures at joints of the upper chords (19) of the corridor truss structures, connecting the top ends of the stay cables of the stay cable supporting structures (28) to the top cantilever ends (6) of the cantilever trusses with arc-shaped facades, the inner chords (14) of the connecting trusses at cantilever portions, or top suspending ends (30) of the stay cable supporting structures at the outer chords (13) of the connecting trusses at cantilever portions, enhancing the upper chords (19) of the corridor truss structures at joints of connecting ends of the stay cables by stiffeners (33) of the stay cable end joints.

10\. An application of the large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures according to claim 1 in carrying and system design of a complexity large-span steel corridor truss structure of the composite building model with bottom large-span space long cantilever on both sides and top stay cable supporting.

OFFICE ACTION:
DETAILED ACTION
Reasons for Allowance
The following is the examiner’s statement of reasons for allowance: no prior art reference alone or in combination with any other teaches or suggests two sets of ultra-long cantilever trusses with arc-shaped facades and triquetrous planes, fixedly supported by the ground and symmetrical.  Further search and review of the prior art did not reveal any embodiments thereof or motivations to modify in such ways.  The examiner understands the term “several” to mean three or more, and “ultra-long” to correspond to the lengths and relative proportions represented in the illustration of Figure 3.
Any comments considered necessary by the Applicant must be submitted no later than the payment of the issue fee and, to avoid processing delays, should preferably accompany the issue fee.  Such submissions should be clearly labeled “Comments on Statement of Reasons for Allowance.”
Contact Information



CITED REFERENCE SUMMARIES: Ref US1568631A: [content unavailable]
Ref NO338758B1: Claims:
Construction of a floating bridge (10) with a roadway (32) to span in a horizontal arc shape over a fjord or a strait between two shore anchor points (11,13) comprising a number of floats (20) which carry the roadway which again is carried by a largely horizontal extending bridge beam (30) between the shore anchoring points, where the floating bridge includes at least one high bridge section (36,50) for the passage of ships, the floating bridge (10) also being laterally anchored with a number of anchor lines (60,61) which is fixed in the floating bridge and extends from the floating bridge's convex and concave sides up to respective anchorages in the rock and/or seabed, characterized by
that the bridge girder including the high bridge section (36,50) is connected to a number of arch bridges (40) each end of which rests on an associated float (20) across the floating bridge span,
that the carriageway (32) runs over an upwardly sloping viaduct beam (35) towards the high bridge section (36) as
the viaduct beam (35) is connected to a number of arch bridges (40a,40b,40c,40d) which are carried by the floats (20) across part of the floating bridge span.
Floating bridge in accordance with claim 1, characterized in that the viaduct beam (35) is suspended in a number of the arch bridges (40a,40b,40c,40d), via vertical and/or inclined struts (46,42).
Floating bridge in accordance with claims 1-2, characterized in that the bridge girder (30) is connected to the viaduct girder (35) via vertical and/or inclined struts (46).
Floating bridge in accordance with one of the preceding claims, characterized in that each arch bridge (40) rests its ends on an associated float (20), and two mutually adjacent arch bridge ends rest on an associated common float (20).
Floating bridge in accordance with one of the preceding requirements, characterized in that the horizontally extending bridge beam (30) passes the ship passage (36,50) in the form of an underwater section (30a-b-c) which forms a vertical or inclined course (30a ) down below the water surface (12) and then runs at a suitable water depth in an arc-shaped or flat horizontal course (30b) and at an angle runs (30c) up again on the other side, where it again continues on top of the floats (20) further towards respective land anchor points (11,13), so as to constitute a continuous force-absorbing element for the floating bridge (10) between the two land anchors (11,13).
Floating bridge in accordance with one of the preceding requirements, characterized in that the anchor lines (61) from the convex side of the arch have a higher established pretension than the anchor lines (60) inside from the concave side of the arch, so that the entire bridge path is kept in tension in an approximate curve arc shape.
Floating bridge in accordance with one of the preceding claims, characterized in that the bridge girder (30) is composed of a number of straight or curved bridge girder elements (31,30b), and they are stored on top of an associated float (20).
Floating bridge in accordance with one of the preceding claims, characterized in that the high bridge section (36) for ship passage (50) is a floating or bottom-fixed construction.
Floating bridge in accordance with one of the preceding requirements, characterized in that the distance between adjacent floats (20) in the floating bridge (10) is of the order of 200 to 400 metres.
Floating bridge in accordance with one of the preceding claims, characterized in that it comprises several high bridge sections (36) for ship passage (50).
Floating bridge in accordance with one of the preceding requirements, characterized in that the roadway (35) runs on a viaduct beam from each side at an angle upwards in the ship passage arch bridge (36) and over the ship passage (50).
Floating bridge in accordance with one of the preceding claims, characterized in that the floats (20) are designed preferably as columnar structures with a suitable number of columns/chambers (22) each mounted upright in the corners of a polygon, such as octagonal, hexagonal, square or rectangular floating structure (20) in a horizontal plane, to give the least possible dynamic response to incoming waves.
Floating bridge in accordance with one of the preceding requirements, characterized in that the sections/lengths of a viaduct girder which in their course run outside/over the arch bridges (40a,40b,40c,40d) are supported or rest on vertical stilted columns (70) which stands on an associated float (20) or is supported/rests on the upper side of the arch of an associated arch bridge.
Floating bridge in accordance with one of the preceding claims, characterized in that the anchor lines (61) which run in a direction out of the arch's convex dorsal side have a higher pretension than the anchor lines (60) which run from inside the arch's concave belly side.
Floating bridge in accordance with one of the preceding claims, characterized in that the line stretch (60) which extends from inside the concave belly side of the arch is kept to an order of magnitude of approx. 50-60% of the line length of the anchor lines (61) which run out of the bow's convex back side.
Floating bridge in accordance with one of the preceding claims, characterized in that each of the pretensioning lines (61) from the convex dorsal side of the arch exhibits a pretensioning line tension of 5x10<+3>kN, while each of the securing lines inward from the concave belly side of the arch exhibits a pre-tension pull in the order of 2.5 x 10<+3>kN - 3 x 10<+3>kN, as the tension in the lines (60,61) can be adjusted along the way when the floating bridge is in use.
Ref CN113430908B: Claims:
A cable-backed partly double-layer suspension arch bridge, which is arranged on a river, is characterized in that the suspension arch bridge comprises a pair of anchors (1), a pair of bridge towers (4), a pair of main cables ( 6), a pair of arch ribs (7), an uplink deck system (10) and a downlink deck system (11), a pair of anchor spindles (1) and a pair of bridge towers (4) are respectively fixed on both sides of the river, The anchor (1) is arranged on the outside of the bridge tower (4), a back cable (2) is arranged between the anchor (1) and the bridge tower (4), and the two ends of the main cable (6) Lead out from the bridge towers (4) respectively, the middle part of the main cable (6) is bent downward and is located between a pair of bridge towers (4), and the middle part of the arch rib (7) is convex upward and is located on a Between the bridge towers (4), the main cable (6) and the arch rib (7) are connected by an arch cable transfer section (8) at the junction of the two facades, and the main cable (6) and the arch The ribs (7) are connected by prefabricated rigid frames (9) at intervals between the two facade junctions, the uplink bridge deck system (10) is set on the arch ribs (7), and the downlink bridge deck system ( 11) It is arranged on the main cable (6) between the two façade junctions; The suspension arch bridge also includes a pair of foundations (5), and the foundations (5) are arranged under the bridge tower (4); The arch cable transfer section (8) includes a prefabricated main girder (801), and the arch rib (7) obliquely passes through the prefabricated main girder (801) from the two sides of the river to the middle span of the suspension arch bridge from bottom to top, The main cable (6) obliquely passes through the prefabricated main girder (801) from top to bottom in the direction of the middle span of the suspension arch bridge from both sides of the river; The top surface of the prefabricated main girder (801) is inclined to be provided with an upper main cable guide sleeve (802) for the main cable (6) to pass through, and the bottom surface of the prefabricated main girder (801) is inclined to be provided with ) through the lower main cable guide sleeve (803); The prefabricated rigid frame (9) includes horizontal connecting rods (901), vertical braces (902) and petal fasteners, the horizontal connecting rods (901) are horizontally arranged between adjacent arch ribs (7), The arch ribs (7) on the same side and the main cables (6) are connected through vertical struts (902) and petal fasteners, and the vertical struts (902) are located on the top of the petal fasteners and connected to the arch The ribs (7) are connected, and a through hole is opened in the petal fastener, and the main cable (6) passes through the through hole; A rigid ear plate (903) is provided between the horizontal connecting rod (901), the arch rib (7) and the vertical strut (902); The flap-type fastener includes an upper flap (904) of the fastener and a lower flap (905) of the fastener, the upper flap (904) of the fastener is connected with the vertical support rod (902), and the upper flap (904) Bolts are provided between the fastener lower lobe (905), and the bolts pass through the fastener lower lobe (905) and the fastener upper lobe (904) sequentially from bottom to top, and nuts are set at the ends of the bolts, The prefabricated rigid frame (9) and the arch rib (7) are locked on the main cable (6); The arch rib (7) is welded together with the horizontal connecting rod (901), the vertical strut (902), the rigid ear plate (903) and the upper flap of the fastener (904); The uplink bridge deck system (10) includes multiple uplink bridge deck transverse ribs (1002), multiple uplink bridge deck longitudinal ribs (1003) and multiple uplink bridge deck top plates (1001), and multiple uplink bridge deck transverse ribs ( 1002) are longitudinally spaced on the arch ribs (7), and the upward bridge deck longitudinal ribs (1003) are transversely spaced between adjacent upward bridge deck transverse ribs (1002), and the upward bridge deck longitudinal ribs (1003) are arranged on the transverse ribs (1002) and the longitudinal ribs (1003) of the ascending bridge deck to form an orthotropic bridge deck system; There are connecting slopes (3) on both sides of the river, and the upper deck (1001) of the ascending bridge deck on both sides is connected with the connecting slopes (3) on both sides of the river; The descending bridge deck system (11) includes a plurality of descending bridge deck transverse ribs (1102), a plurality of descending bridge deck longitudinal ribs (1103) and a plurality of descending bridge deck top plates (1101), and a plurality of descending bridge deck transverse ribs ( 1102) are longitudinally spaced on a pair of main cables (6), and the descending bridge deck longitudinal ribs (1103) are transversely spaced between adjacent descending bridge deck transverse ribs (1102), and the descending bridge deck The top plate (1101) is arranged on the transverse ribs (1102) and the longitudinal ribs (1103) of the descending bridge deck, forming an orthotropic bridge deck system; Pedestrian railings (12) are installed on both sides of the top plate (1001) of the uplink bridge deck; Pedestrian railings (12) are installed on both sides of the top of the down bridge deck top plate (1101); The construction method of the dorsal cable type partial double-layer suspension arch bridge comprises the following steps: S1: Pouring anchor ingots (1) and bridge towers (4) on both sides of the river, and installing a part of the arch ribs (7) in place by the method of full support; S2: Set the arch cable connection section (8) on the arch rib (7), then install two main cables (6) between the two bridge towers (4), and make the main cable (6) and the arch cable transfer section (8) connection; S3: Install a prefabricated rigid frame (9) between the arch rib (7) and the main cable (6) to connect the arch rib (7) and the main cable (6), and adjust the cable force of the main cable (6) during installation; S4: Install the uplink deck system (10) and the downlink deck system (11).
A cable-backed partly double-layer suspension arch bridge, which is arranged on a river, is characterized in that the suspension arch bridge comprises a pair of anchors (1), a pair of bridge towers (4), a pair of main cables ( 6), a pair of arch ribs (7), an uplink deck system (10) and a downlink deck system (11), a pair of anchor spindles (1) and a pair of bridge towers (4) are respectively fixed on both sides of the river, The anchor (1) is arranged on the outside of the bridge tower (4), a back cable (2) is arranged between the anchor (1) and the bridge tower (4), and the two ends of the main cable (6) Lead out from the bridge towers (4) respectively, the middle part of the main cable (6) is bent downward and is located between a pair of bridge towers (4), and the middle part of the arch rib (7) is convex upward and is located on a Between the bridge towers (4), the main cable (6) and the arch rib (7) are connected by an arch cable transfer section (8) at the junction of the two facades, and the main cable (6) and the arch The ribs (7) are connected by prefabricated rigid frames (9) at intervals between the two facade junctions, the uplink bridge deck system (10) is set on the arch ribs (7), and the downlink bridge deck system ( 11) It is arranged on the main cable (6) between the two façade junctions;
The suspension arch bridge also includes a pair of foundations (5), and the foundations (5) are arranged under the bridge tower (4);
The arch cable transfer section (8) includes a prefabricated main girder (801), and the arch rib (7) obliquely passes through the prefabricated main girder (801) from the two sides of the river to the middle span of the suspension arch bridge from bottom to top, The main cable (6) obliquely passes through the prefabricated main girder (801) from top to bottom in the direction of the middle span of the suspension arch bridge from both sides of the river;
The top surface of the prefabricated main girder (801) is inclined to be provided with an upper main cable guide sleeve (802) for the main cable (6) to pass through, and the bottom surface of the prefabricated main girder (801) is inclined to be provided with ) through the lower main cable guide sleeve (803);
The prefabricated rigid frame (9) includes horizontal connecting rods (901), vertical braces (902) and petal fasteners, the horizontal connecting rods (901) are horizontally arranged between adjacent arch ribs (7), The arch ribs (7) on the same side and the main cables (6) are connected through vertical struts (902) and petal fasteners, and the vertical struts (902) are located on the top of the petal fasteners and connected to the arch The ribs (7) are connected, and a through hole is opened in the petal fastener, and the main cable (6) passes through the through hole;
A rigid ear plate (903) is provided between the horizontal connecting rod (901), the arch rib (7) and the vertical strut (902);
The flap-type fastener includes an upper flap (904) of the fastener and a lower flap (905) of the fastener, the upper flap (904) of the fastener is connected with the vertical support rod (902), and the upper flap (904) Bolts are provided between the fastener lower lobe (905), and the bolts pass through the fastener lower lobe (905) and the fastener upper lobe (904) sequentially from bottom to top, and nuts are set at the ends of the bolts, The prefabricated rigid frame (9) and the arch rib (7) are locked on the main cable (6);
The arch rib (7) is welded together with the horizontal connecting rod (901), the vertical strut (902), the rigid ear plate (903) and the upper flap of the fastener (904);
The uplink bridge deck system (10) includes multiple uplink bridge deck transverse ribs (1002), multiple uplink bridge deck longitudinal ribs (1003) and multiple uplink bridge deck top plates (1001), and multiple uplink bridge deck transverse ribs ( 1002) are longitudinally spaced on the arch ribs (7), and the upward bridge deck longitudinal ribs (1003) are transversely spaced between adjacent upward bridge deck transverse ribs (1002), and the upward bridge deck longitudinal ribs (1003) are arranged on the transverse ribs (1002) and the longitudinal ribs (1003) of the ascending bridge deck to form an orthotropic bridge deck system;
There are connecting slopes (3) on both sides of the river, and the upper deck (1001) of the ascending bridge deck on both sides is connected with the connecting slopes (3) on both sides of the river;
The descending bridge deck system (11) includes a plurality of descending bridge deck transverse ribs (1102), a plurality of descending bridge deck longitudinal ribs (1103) and a plurality of descending bridge deck top plates (1101), and a plurality of descending bridge deck transverse ribs ( 1102) are longitudinally spaced on a pair of main cables (6), and the descending bridge deck longitudinal ribs (1103) are transversely spaced between adjacent descending bridge deck transverse ribs (1102), and the descending bridge deck The top plate (1101) is arranged on the transverse ribs (1102) and the longitudinal ribs (1103) of the descending bridge deck, forming an orthotropic bridge deck system;
Pedestrian railings (12) are installed on both sides of the top plate (1001) of the uplink bridge deck;
Pedestrian railings (12) are installed on both sides of the top of the down bridge deck top plate (1101);
The construction method of the dorsal cable type partial double-layer suspension arch bridge comprises the following steps:
S1: Pouring anchor ingots (1) and bridge towers (4) on both sides of the river, and installing a part of the arch ribs (7) in place by the method of full support;
S2: Set the arch cable connection section (8) on the arch rib (7), then install two main cables (6) between the two bridge towers (4), and make the main cable (6) and the arch cable transfer section (8) connection;
S3: Install a prefabricated rigid frame (9) between the arch rib (7) and the main cable (6) to connect the arch rib (7) and the main cable (6), and adjust the cable force of the main cable (6) during installation;
S4: Install the uplink deck system (10) and the downlink deck system (11).
Ref CN112323610A: Claims:
A half-through arched bridge for suspended monorail comprises two rail beams arranged at intervals in parallel, and is characterized in that: the track beam is characterized by further comprising an arc-shaped main arch, two suspenders and at least one first cross beam for connecting two track beams, wherein the arc-shaped main arch is arranged between the two track beams, the arch crown of the main arch is positioned above the track beams, and two ends of the arch crown extend to the lower part of the track beams; the first cross beam is positioned in the middle of a connecting line between two junctions of the main arch and the track beam, one end of each suspender is connected to the main arch above the track beam, the other end of each suspender is connected to the first cross beam, and the two suspenders are respectively arranged at two sides of the first cross beam.
A half-bridge for a suspended monorail, as defined in claim 1, wherein: the first cross beam is positioned at the midspan of the track beam, and one end of each suspension rod is connected to the first cross beam, and the other end of each suspension rod is connected to the main arch above the track beam.
A half-bridge for a suspended monorail, as defined in claim 2, wherein: the boom is located from the midspan of the track beam to a quarter of the crown of the main arch.
A half-bridge for a suspended monorail, as defined in claim 1, wherein: the two hanger rods are symmetrically arranged by taking the first cross beam as a symmetry axis.
A half-bridge for a suspended monorail, as defined in claim 1, wherein: and second cross beams are arranged at two intersections of the main arch and the track beam, and each second cross beam is connected with two track beams.
A half-bridge for a suspended monorail, as defined in claim 1, wherein: the two hanging rods are arc-shaped h
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