Abstract:
A constructing method for multiple floors RC building and moldboard structure employed in the method. The upper floor construction can be proceeded before the concrete of the lower floor is dried so that this method shortens construction period. The connection between floors is good and the strength of the building is improved and the ability of anti-earthquake is increased.

Description:
FIELD OF THE INVENTION  
         [0001]    The present invention relates to a constructing method for multiple floors building and moldboard structure employed in the method. The upper floor can be constructed before the concrete in the lower floor is solidified.  
         BACKGROUND OF THE INVENTION  
         [0002]    In a conventional method for constructing a R multiple floors building, the posts and the steels and moldboards of outer wall are first established, and then proceeding the process of grouting. The upper floor cannot be constructed till the concrete in the walls and posts are solidified. The upper floor is built by the same method as the lower floor of establishing posts, the steels and the moldboards, and grouting. The stairs and ramps are predetermined and the area of the ramps are formed by grouting after the concrete for the inner walls and floor is solidified. On the ramp the stairs are built by way of establishing moldboards and grouting. There are some IS shortcomings found in the conventional method:  
           [0003]    (1) The upper structure can be constructed after the concrete in the posts, moldboards and floor is solidified, and it requires 20 days to let the concrete completely be solidified. This causes a longer period of construction and the financial pressure will be increased if the number of floors is large.  
           [0004]    (2) The grouting for the walls, the posts and the floors is proceeded in sequence so that the connection between the concrete in the walls, the posts and the floors can not be well bound. If the builder proceeds the grouting for the upper floor before the concrete of the lower floor is completely solidified, the building is exposed to a safety consideration.  
           [0005]    (3) The conventional moldboards are made of wood plate connected by nails or steel boards, the wooden moldboards can only be used for 7-8 months and it requires skilled persons to make the wooden moldboards and use the moldboards. If the surfaces of the moldboards are not smooth, the surface of the walls is not smooth. After the wall is built, mortar is spread onto the wall to have a smooth outer surface. These processes take a lot of time and prolong the period of the construction. In other words, this accelerates the financial pressure.  
           [0006]    As the steel boards are cut as needed so that they have no common size and standard. Besides, to lift the steel boards involves potential safety problems.  
           [0007]    Furthermore, the wall is constructed by filling concrete in a space between two moldboards, and the moldboards are aligned by wires. The constructors have to check and adjust the wires to let the space between moldboards has a desired sizes. This makes an uncertainty for the quality of the construction.  
           [0008]    (4) The moldboards are supported by rods which inclinedly contact against the ground. However, most of the grounds are uneven so that constructors have to find blocks having different sizes to put them between the rods and the ground;  
           [0009]    (5) The stairs are built by forming a ramp by grouting and then each step is formed by using the moldboards and then filling concrete in the space enclosed by the moldboards. The conventional method has the following shortcomings:  
           [0010]    1. The specifications for stairs of different buildings are not identical so that the moldboards used for the respective stairs have to be made separately.  
           [0011]    2. After the, moldboards are removed, the surfaces of the stairs have to be spread with mortar at least two times to have a smooth surface.  
           [0012]    3. It takes a lot of time to put tiles on the stairs and this requires many workers to adhere the tiles one by one. The weight of the tiles becomes a large load for the structure of the stairs. Once the tiles are broken or disengaged from the stairs, the owner has to spend money to recover them.  
           [0013]    The present invention intends to provide a new method for constructing RC building and which is simple and can be completed within a short period of time.  
         SUMMARY OF THE INVENTION  
         [0014]    In accordance with one aspect of the present invention, there is provided a constructing method for multiple floors building and moldboard structure employed in the method. The construction for the upper floor can be proceeded before the concrete for the lower floor is solidified. This method shortens the construction period and enhances the structural strength of the building.  
           [0015]    The primary object of the present invention is to provide a constructing method wherein the marble plates, granite plate or tiles are adhered to the moldboards before grouting so that after the grouting process is finished, and the outer surface of the structure is completed.  
           [0016]    These and further objects, features and advantages of the present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, several embodiments in accordance with the present invention. 
       
    
    
     BRIEF DESCRIPTION Of THE DRAWINGS  
       [0017]    [0017]FIG. 1 is a preferred embodiment ( 1 ) of the construction method of the present invention;  
         [0018]    [0018]FIG. 2 is a preferred embodiment ( 2 ) of the construction method of the present invention;  
         [0019]    [0019]FIG. 3 is a preferred embodiment ( 3 ) of the construction method of the present invention;  
         [0020]    [0020]FIG. 4 is a preferred embodiment ( 4 ) of the construction method of the present invention;  
         [0021]    [0021]FIG. 5 shows a detail of the illustration shown in FIG. 1;  
         [0022]    [0022]FIG. 6 is a perspective view to show the upright moldboard of the present invention;  
         [0023]    [0023]FIG. 7 is a perspective view to show the disengaging strip of the present invention;  
         [0024]    [0024]FIG. 8 is a top view to show an outer mold strip and the upright moldboard;  
         [0025]    [0025]FIG. 9 is a perspective view to show an inner mold strip of the present invention;  
         [0026]    [0026]FIG. 10 is a cross sectional view to show the upright moldboard, a horizontal moldboard and the inner mold strip;  
         [0027]    [0027]FIG. 11 is a perspective view to show a block of the present invention;  
         [0028]    [0028]FIG. 12 shows a perspective view of another block of the present invention;  
         [0029]    [0029]FIG. 13 is an exploded view to show a post and the horizontal moldboard of the present invention;  
         [0030]    [0030]FIG. 14 shows a perspective view of an adjusting pad of the present invention;  
         [0031]    [0031]FIG. 15 is a perspective view to show a continuation device of the present invention;  
         [0032]    [0032]FIG. 16 is a cross sectional view to show the continuation device of the present invention;  
         [0033]    [0033]FIG. 17 is a cross sectional view to show another continuation device of the present invention;  
         [0034]    [0034]FIG. 18 is a flowchart of the processes for constructing a stairs of the present invention;  
         [0035]    [0035]FIG. 19 is an exploded view to show the moldboards for constructing stairs of the present invention;  
         [0036]    [0036]FIG. 20 is a perspective view to show the moldboards for constructing stairs of the present invention;  
         [0037]    [0037]FIG. 21 is a cross sectional view seen from line A-A in FIG. 20;  
         [0038]    [0038]FIG. 22 is a cross sectional view seen from line B-B in FIG. 20;  
         [0039]    [0039]FIG. 23 is a perspective view to show a tile of the present invention;  
         [0040]    [0040]FIG. 24 illustrates another type of tiles attached onto an object;  
         [0041]    [0041]FIG. 25 is a perspective view to show a tile dispenser of the present invention;  
         [0042]    [0042]FIG. 26 illustrates another mold bold used in the method of the present invention, and  
         [0043]    [0043]FIG. 27 illustrates another connection rod used in the method of the present invention. 
     
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT  
       [0044]    Referring to FIG. 1, the method for constructing an RC multiple floors building of the present invention is proceeded by the following steps:  
         [0045]    Base construction: To plant multiple mold bolts  10  in the concrete base “A” and the mold bolts  10  are put in rows at the positions where the wall and column are to be build. The roots of the steels in the walls and the upright posts are planted in the base “A”. The steels in the wall has a transverse section extending from the wall at the position where the stairs are to be built so as to be connected to steels in the stairs. Two ends of each of the mold bolts  10  exposed from the base “A”.  
         [0046]    Establishing upright moldboards and horizontal moldboards: The upright moldboards  20  are built between the upright posts and the lower end of each moldboard  20  is connected to the mold bolts  10  exposing the base “A” so as to define a space between two upright moldboards  20  for filling with concrete. A plurality of posts  60  are built in the building and horizontal moldboards  30  are supported on the top of the posts  60 .  
         [0047]    Connecting steels: Steels are spread in a form of a web in the space in the top of the horizontal moldboards  30 . The steels are connected to the steels of the upright moldboards  20 . A plurality of blocks  35  are disposed in the web of the steels.  
         [0048]    Grouting: Referring to FIG. 2, the mortar is filled in the space between the upright moldboards  20  and the top space of the horizontal moldboards  30  so a&amp; to form the wall of the first floor and the floor of the second floor.  
         [0049]    Establishing upright moldboards, the horizontal moldboards on the top end of the lower floor, and the horizontal moldboards of the upper floor: Referring to FIG. 3, before the concrete is solidified, the upright moldboards  20  of wall of the second floor is built on the top of the upright moldboards  20  of the wall of the first floor. Horizontal moldboards  30  are connected to the top of the second floor and supported by blocks  35 . Upright posts  60  are connected to the top of the horizontal moldboards  30  so as to support the horizontal moldboards of the construction of the third floor.  
         [0050]    By repeatedly proceeding the steps above, each floor including the roof and the walls are built for a building as shown in FIG. 4.  
         [0051]    Disengaging the moldboards: The upright moldboards  20 , the posts  60  and the horizontal moldboards  30  are disengaged from the building after the concrete is solidified.  
         [0052]    Building the stairs: The stairs are built between the floors to communicate each floor.  
         [0053]    The basic construction of the building is completed and the separating walls for rooms in the building are then proceeded to complete the building. The method of the invention allows the construction of an upper floor to be proceeded before the concrete is solidified of the lower floor. By this way, the construction time can be reduced and the financial problems can be reduced to be minimum.  
         [0054]    The mold bolts  10  in the method as mentioned above are planted in the base “A” and each of which is a U-shaped member. The mediate section of the bolt  10  is planted in the base “A” and two threaded ends  11  of each mold bolt  10  extending toward the same direction. Two the upright moldboards  20  are built between the two threaded ends  11  and each upright moldboard  20  has a flange  21  contacting the threaded end  11 . A pressing block  12 , a washer  13  and a nut  14  are respectively mounted to the threaded ends  11  and the pressing block  12  presses the flange  21  by the nut  14 . By this way, the two upright moldboards  20  are positioned and will not be shifted or deformed. Referring to FIG. 6, the upright moldboard  20  is a rectangular board and the flanges  21  extend from to sides of the board. Each flange  21  has a plurality of holes  212  for being connected to the flange of next board by bolts  22  and nuts  23 . The upright moldboard  20  has a plurality of ribs  24  extending from one surface thereof and the rib  24  are located at the same side of the flanges  21 , and the ribs  24  and the flanges  21  are in flush with each other. The number of the ribs  24  depend on the size of the upright moldboards  20 . The upright moldboards  20  each have a plurality of holes  25  which are located in the areas separated by the ribs  24 .  
         [0055]    Referring to FIG. 7, there are disengaging strips  40  connected between the upper and lower upright moldboards  20 , and each of the disengaging strips  40  has, side walls  42  extending from a periphery thereof and each side wall  42  has holes  44  so that the disengaging strips  40  are connected to the next upright moldboard  20  by extending bolts  22  through the holes  44  and engaged with nuts  23 . Each disengaging strip  40  has multiple bolt bases  46  and each bolt base  46  has threaded holes  462  so as to cooperate with disengaging bolts  48  which contact against to the concrete well to separate the concrete wall from the disengaging strips  40 .  
         [0056]    Referring to FIG. 5, a tube  28  is connected between two upright moldboards  20  by its two ends so as to define the gap between the two upright moldboards  20 . The length of the tube  28  is the desired thickness of the wall. Pressing strips  26  are connected to the outside of the two upright moldboards  20  and each have holes  262 . The pressing strips  26  contact against the flanges  21  and the ribs  24 . A connection rod  29  is located in the tube  28  and two ends of the connection rod  29  extend from the holes  25  of the upright moldboard  20 . A threaded hole  292  is defined in each end surface of the connection rod  29  so that bolts  264  extend from the holes  262  of the pressing strips  26  and are engaged with the threaded holes  292  so as to enhance the support feature to the pressure of the mortar.  
         [0057]    Referring to FIG. 8, outer mold strips  210  are perpendicularly connected between the two upright moldboards  20  and each outer mold strip  210  has two plates  2120  in which holes  2104  are located in alignment with the holes  2121  in the two upright moldboards  20 . The plates  2120  are connected to the outer mold strips  210  and the two upright moldboards  20  by bolts  22 . The inner mold strips  50  are connected between the upright moldboards at the desired height of each floor and the horizontal moldboards  30  as shown in FIGS.  1 - 4 . The horizontal moldboards  30  have flanges  31  extending from a side thereof and the flanges  31  are connected to the next flanges  30 , and the-horizontal moldboards  30  are connected to the inner mid strips  50  by bolts  32  and nuts  33 . The horizontal moldboards  30  each have ribs  34  extending from the same side of the flanges  31  so as to enforce the strength of the horizontal moldboards  30 . Referring to FIG. 9, each of the inner mold strip  50  is a rectangular tube, a first end tube  52  and a second end tube  54  respectively abutting the inner mold strip  50 . The first end tube  52  has a slot  56  and holes  522 ,  642  are respectively defined through the first end tube  52  and the second end tube  54  so that bolts  32  are used to connect the inner mold strips  50 , the upright moldboards  20  and the horizontal moldboards  30  which are perpendicular to the upright moldboards  20  as shown in FIG. 10.  
         [0058]    The blocks  35  are put on a top of the upright moldboards  20  according to the area of the floor as shown in FIGS. 1 and 11. The block  35  is located corresponding to the ribs  34  of the horizontal moldboards  30  and wrapped by metal wires  354  and welded to the steel “C”. When grouting, the blocks  35  will not be shifted by the mortar and the height of the blocks  3   5  is equal to the thickness of the floor so as to support the horizontal moldboards  30 . At least one hole  352  is defined through the block  35  and the concrete is filled in the hole  352  so that the blocks  35  are connected to the concrete. The blocks  35  are made from plastic steel, metal, stones, or concrete. The cross section of the block  35  is circular or rectangular as shown in FIG. 12, or other shapes of columns. The horizontal moldboards  30  on the underside of the floor are supported by the posts  60  and the blocks  35  are supported by the posts  60 .  
         [0059]    Referring to FIGS. 2 and 13, a base  61  is connected to a top of the post  60  and two protection plates  612  are connected to two sides of a top of the base  61 . A groove  614  is defined between two protection plates  612 . A hole  616  is defined in an underside of the base  61  so as to receive the post  60 . The horizontal moldboards  30  on a top of the floor and the underside of the floor are respectively clamped between two clamp strips  36  so that the clamp strips  36  on the underside of the floor engage with the base  61  and extending through the groove  614  and the posts  60  support the horizontal moldboards  30 . The post  60  of the upper floor is supported by the clamp strips  36  of the lower floor. The cross section of the post  60  is square-shaped or circular-shaped column, and is made of wood, plastic, Bakelite or metal. A plurality of holes  62  are defined therethrough and two posts  60  next to each other have pawls  63  and spikes  64  so as to connect the two posts  60 . Each pawl  63  four hook parts  631  extending radially outward therefrom and a hook  6311  extends laterally from each end of the hook part  631 . The hooks  6311  respectively engage with two holes  62  in the posts  64  adjacent to them. The connection nail  64  has an insertion  641  extending form two ends thereof and the insertions  641  are inserted in the holes  62  in the posts adjacent to them so as to prevent the posts from being inclined. Each post  60  has an adjusting pad  65  on a lower end thereof and an abutment surface of each of the two adjusting, pads  65  is an inclined surface  652  so that the posts  60  can be moved along the inclined surface  652  to adjust&gt;the alignment of the top of each post  60 . Referring to FIG.,  14 , a semi-circular notch  654 ′ is defined in the inclined surface  652 ′ of the, adjusting pad  65 ′ and a positioning block  656 ′ can be inserted in the notch  654 ′ to position the pads  65 ′.  
         [0060]    Continuation device  70  as shown in FIGS. 15, 16 are used to adjusted the height of the posts  60  especially when the height of the building is higher than the height of the post  60 . A first post posts  60  is connected to a second post  60 ′ by the continuation device  70  which has a protrusion  72  on one end and a recess  74  in the other end of the device  70 . One end of a post is engaged with the protrusion and one end of the other post is engaged with the recess so that the two posts  60  can be connected by the continuation device  70 . Referring to FIG. 17 which shows another continuation device  70 ′ used to connect solid posts or hollow posts  60 . The two ends of each continuation device  70 ′ has a recess  74 ′ and a separation plate  76 ′ separates the two recesses  74 ′.  
         [0061]    Referring to FIGS.  18  to  20 , the method for the construction of stairs includes the following steps:  
         [0062]    Burying positioning nails: U-shaped positioning nails  87  are buried at the position where stairs are to be built when grouting and two ends of the positioning nails  87  are exposed from the floor.  
         [0063]    Marking lines: Marks are made on the wall “B” to show the position and the inclination of the stairs.  
         [0064]    Setting connection plates  81 ,  82 : Two connection plates  81 ,  82  are set according to the marks.  
         [0065]    Setting the moldboards  83  of the stairs: A plurality of the moldboards  83  of the stairs are set between the two connection plates  81 ,  82  to allow the boards  83  be perpendicular to the ground and set in sequence.  
         [0066]    Setting angle-steels  84 : Angle-steels  84  are set on the lower ends of the connection plates  81 ,  82 .  
         [0067]    Setting the lower moldboards  85 : The lower moldboards  85  are set on the angle steels  84  so that the connection plates  81 ,  82 , the moldboards  83  of the stairs and the lower moldboards  85  define a space for stairs.  
         [0068]    Grouting: Put steels (not shown) in the top space of the lower moldboards  85  and welded with the steels from the wall so as to enforce the structural force of the wall and the stairs. Filling the mortar in the space of the stair-shaped space to form the stairs. Tiles or granites may be adhered to the concrete of the stairs. The two ends of the positioning nails are fixed in the concrete so that the stairs are strong and fixed.  
         [0069]    Referring to FIGS. 21, 22, the connection plate  81  can be made to be stair-shaped and are fixed to the wall by bolts,  811 . The connection plate  81  is inclined. The connection plate  81  has a block  812  made from angle steel or rectangular steel on the stair portion. The other connection plate  82  is a rectangular plate and contacts the posts  60  -so as to be supported on the ground. Each of the connection plates  81 ,  82  has connection blocks  812 ,  822  on an inner side thereof The stair moldboard  83  is a rectangular plate and two bolts  831  are located two ends of the stair moldboard  83  so as to connect the connection blocks  812 ,  822 .  
         [0070]    The angle steels  84  are inclinedly connected to the connection plates  81 ,  82 , and face to the stair moldboard  83 . The angle steel can be connected to the wall below the connection plate  81  and the other angle steel is connected to the connection plate  82 . The angle steels  84  one two sides are parallel with each other and has a predetermined distance from the stair moldboards  83 .  
         [0071]    The lower moldboards  85  are bridged between the angle steels  84  and a proper distance is defined between the lower moldboards  85  and the stair moldboards  83 . An auxiliary plate  86  can be put on the lower moldboards  85  which will not contact the concrete so that the lower moldboards  85  can be reused. A stair-shaped space S defined between the connection plates  81 , 82 , stair moldboards  83  and the lower moldboards  85 , and stairs are built when the space is,,filled with concrete,  
         [0072]    The stairs could be located between two walls so that the connection plates  81 ,  82  can be made to, be stair-shaped which is convenient for construction. The connection plates  81 ,  82  contact against he two walls and transverse stair moldboards  83  on the top and the angle steels  84 , the lower moldboards  85  are on the lower portion so as to define the stair-shaped space.  
         [0073]    If the stairs do not contact walls, the connection plates  81 ,  82  are made to be rectangular plates and positioned by posts  60 . The stair moldboards  83 , the angle steels  84  and the lower moldboards  85  are connected to the connection plates  81 ,  82  so as to form a stair-shaped space.  
         [0074]    The inside of the stair moldboards  83  has double,adhesive bands connected thereon and tiles  90  are attached on the bands as shown in FIG. 23, the adhesive surface faces to the space. When grouting, the tiles are connected to the concrete and the tiles  90  are attached to the upright surface of the stairs after the stair moldboards are removed. The workers can stand on the top edge of the stair moldboards  83  and attach the tiles  90  on the horizontal surfaces of the stairs This can be done before the concrete is completely dried. Furthermore, decoration members can be attached on the upright moldboards  20  and the horizontal moldboards  30  so that the wall have the decoration members after the upright moldboards  20  and the horizontal moldboards  30  are removed. Referring to FIG. 24, The tiles  90  has dovetailed grooves  92  in the attached surface  92  thereof so that the concrete can fill in the grooves  92  and enhance the connection of the tiles and the wall. The corners of the tile  90  are cut to allow the concrete to enclose the tiles which are then well positioned.  
         [0075]    Referring to FIG. 25, a tile dispenser  94  has a plurality of attics  942  in which tiles  90  are put so as to save time to arrange the tiles  90 .  
         [0076]    [0076]FIG. 26 shows another embodiment of the mold bolt  10 ′ which is a U-shaped member and the two ends thereof are pressing blocks  12 ′. When setting the upright boards  20 , the flanges  21  of the upright moldboard  20  are positioned between the base “A” and the pressing blocks  12 ′ so that the right moldboards  20  will not be shifted when grouting. The pressing blocks  12 ′ are easily removed by using cutting devices.  
         [0077]    [0077]FIG. 27 shows another connection rod  29 ′ which has a threaded section on two ends thereof and the connection rod  29 ′ is mounted by a tube  28 ′. The two threaded ends respectively extend through holes  25 ′ of upright moldboard  20 ′, and holes  262 ′ of pressing strips  26 ′ and are engaged with nuts  27 ′. By this way, the pressing strips  26 ′ are pressed and the upright moldboards  20 ′ are retained.  
         [0078]    The advantages of the method of the present invention are:  
         [0079]    1. The procedures can be proceeded before the concrete is dried so that the construction can be completed within a short period of time. This way is convenient to arrange the workers and reduce the financial pressure.  
         [0080]    2. The walls and floors are proceeded with moldboarding and grouting within a short period of time so that the connection between the concrete of the walls and floors. The building has better ability when facing an earthquake.  
         [0081]    3. A plurality of blocks are supported between the upper floor and the lower floor. The blocks are supported by posts which also support the pressure of the concrete on the upper floor when outing.  
         [0082]    4. The upright moldboard of the lowest level of the wall are retained by the mold bolts to let the upright moldboard be securely connected to the base “A” so that the upright moldboards will not broken when grouting.  
         [0083]    5. The posts are positioned and maintained the parallel relationship with each other by pawls and nails. There is an adjusting pad put on the lower end of the post which is allows to be shifted in a horizontal direction so that the posts will not be broken when grouting.  
         [0084]    6. The decoration member such as tiles, marble bricks or granite bricks are attached to the upright moldboards, the horizontal moldboards and stair moldboards before grouting so as to save time.  
         [0085]    While we have shown and described various embodiments in accordance with the present invention, it should be clear to those skilled in the art that further embodiments may be made without departing from the scope and spirit of the present invention.