Abstract:
An air dome foundation comprises multiple foundation modules ( 110 ). The multiple foundation modules ( 110 ) are used to be placed on the ground end to end. The foundation modules ( 110 ) comprise straight structure and L-shaped structure. The foundation is low in construction cost, short in construction period and suitable for always moving or the situation in which original ground surface can not be modified or damaged.

Description:
FIELD OF THE INVENTION 
       [0001]    The present disclosure relates to the field of architecture, and more particularly relates to an air-supported membrane structure dome (air dome) and a foundation thereof. 
       BACKGROUND OF THE INVENTION 
       [0002]    Air dome is a building formed from one or more special architectural membranes anchored to the ground with intelligent air blowers continuously pump air into the structure and support the main structure. Air dome structures offer great flexibility, and can be used as seasonal, permanent or temporary structures, such as industrial plants, warehouses and sports venues. 
         [0003]    Foundation is part of the building, its main function is to transfer the vertical load of the building to the ground. The conventional building foundation is subject to downward pressure, while the foundation of the air dome is subject to the upward and lateral tension of the membrane, such that air dome foundation requires a strong anti-pulling capacity, and a stable and low center of gravity. 
         [0004]    The conventional foundation of the air dome is generally formed by pouring concrete, which needs to be deeply dug. In order to resist the pulling tension, the foundation of the air dome has a larger bottom and has to be buried underground. With respect to air dome, which is a of new low-cost, short construction cycle, and environmentally friendly construction, the cost and the construction time of the foundation accounts for a large proportion, and when the air dome is moved, the original foundation is abandoned, which will cause a lot of waste for those air dome with frequent movement. 
       SUMMARY OF THE INVENTION 
       [0005]    Accordingly, it is necessary to provide an air dome and its foundation with lower construction cost. 
         [0006]    An air dome foundation includes a plurality of foundation modules, a plurality of splicing plates, a penetrating bolt, and an anchor bolt, the anchor bolt includes a bolt head and a main body having a rod-like structure provided on the bolt head; 
         [0007]    wherein the plurality of foundation modules are placed on the ground, the foundation module comprises an elongated structure and an L-shaped structure; 
         [0008]    both ends of a side of the foundation module are provided with one row of first through holes, the splicing plate is provided with two rows of second through holes, the two rows of second through holes are corresponding to a row of the first through holes on an end of the two adjacent foundation modules, the penetrating bolt extends through the first through hole and the second through hole, such that two adjacent foundation modules are fixed via the splicing plate; 
         [0009]    a bottom the foundation module is provided with a counterbore and an anchor bolt hole extending through the foundation module, the counterbore is located at an end of the anchor bolt hole and is in connection with the anchor bolt hole, the bolt head is located in the counterbore, the main body extends through the anchor bolt hole, and an end of the anchor bolt is higher than a top surface of the foundation module. 
         [0010]    In one embodiment, the counterbore is a square dimpling, the bolt head is a square bolt head, and the end of the anchor bolt is at least 4 cm higher than the top surface of the foundation module. 
         [0011]    In one embodiment, the air dome foundation further comprises a sealing cushion disposed between adjacent two foundation modules or on the bottom surface of the foundation module; or the air dome foundation further comprises a sealing adhesive coated between adjacent two foundation modules or on the bottom surface of the foundation module. 
         [0012]    In one embodiment, the foundation module is a concrete foundation module. 
         [0013]    In one embodiment, a sidewall of the foundation module is provided with at least one lifting hole and an exhaust hole. 
         [0014]    An air dome foundation includes a plurality of foundation modules placed on a ground, wherein the plurality of foundation modules are connected end to end, the foundation module comprises an elongated structure and an L-shaped structure. 
         [0015]    In one embodiment, the air dome foundation further comprises a plurality of splicing plates and a penetrating bolt; 
         [0016]    both ends of a side of the foundation module are provided with one row of first through holes, the splicing plate is provided with two rows of second through holes, the two rows of second through holes are corresponding to a row of the first through holes on an end of the two adjacent foundation modules, the penetrating bolt extends through the first through hole and the second through hole, such that two adjacent foundation modules are fixed via the splicing plate. 
         [0017]    In one embodiment, the air dome foundation further comprises an anchor bolt, the anchor bolt comprises a bolt head and a main body having a rod-like structure provided on the bolt head; 
         [0018]    a bottom the foundation module is provided with a counterbore and an anchor bolt hole extending through the foundation module, the counterbore is located at an end of the anchor bolt hole and is in connection with the anchor bolt hole; 
         [0019]    the bolt head is located in the counterbore, the main body extends through the anchor bolt hole, and an end of the anchor bolt is higher than a top surface of the foundation module. 
         [0020]    In one embodiment, the counterbore is a square dimpling, the bolt head is a square bolt head. 
         [0021]    In one embodiment, the end of the anchor bolt is at least 4 cm higher than the top surface of the foundation module. 
         [0022]    In one embodiment, the air dome foundation further comprises a sealing cushion disposed between adjacent two foundation modules or on the bottom surface of the foundation module; or the air dome foundation further comprises a sealing adhesive coated between adjacent two foundation modules or on the bottom surface of the foundation module. 
         [0023]    In one embodiment, the foundation module is a concrete foundation module. 
         [0024]    In one embodiment, a sidewall of the foundation module is provided with at least one lifting hole. 
         [0025]    In one embodiment, a sidewall of the foundation module is provided with at least one exhaust hole. 
         [0026]    An air dome having the foregoing air dome foundation is provided. 
         [0027]    According to the foregoing air dome foundation, the foundation module can be pre-machined in a factory, and transported to the site and installed as needed, thus achieving modularization. During installation, the foundation module can be placed on the ground without excessive treatment to the ground, such that the construction period is further shortened, and the construction costs are significantly reduced. The air dome foundation is suitable for occasions where frequent movements are needed or existing ground or facilities cannot be modified or destroyed. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0028]      FIG. 1  is a top view of an air dome foundation according to an embodiment of the present disclosure; 
           [0029]      FIG. 2  is a cross-sectional view of a foundation module of the air dome foundation of  FIG. 1 ; 
           [0030]      FIG. 3  is a schematic view of an anchor bolt of the air dome foundation of  FIG. 1 ; 
           [0031]      FIG. 4  is a partial schematic view of the air dome foundation of  FIG. 1 ; 
           [0032]      FIG. 5  is a schematic view of a splicing plate of the air dome foundation of  FIG. 1 ; and 
           [0033]      FIG. 6  is a cross-sectional view of a foundation module according to another embodiment. 
       
    
    
     DETAILED DESCRIPTION OF THE EMBODIMENTS 
       [0034]    Embodiments of the invention are described more fully hereinafter with reference to the accompanying drawings. The various embodiments of the invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Elements that are identified using the same or similar reference characters refer to the same or similar elements. 
         [0035]    It will be understood that when an element is referred to as being “connected” or “coupled” to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, if an element is referred to as being “directly connected” or “directly coupled” to another element, there are no intervening elements present. 
         [0036]    Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. 
         [0037]    Referring to  FIG. 1 , an air dome (not shown) according to an embodiment of the present disclosure includes an air dome foundation  100 . The air dome foundation  100  includes a plurality of foundation modules  110  and a plurality of anchor bolts  120 . 
         [0038]    The foundation module  100  is placed on the ground. The plurality of foundation modules  110  are connected end to end, thus forming the illustrated annular structure. 
         [0039]    Referring also to  FIG. 2 , a bottom the foundation module  110  is provided with a counterbore  111  and an anchor bolt hole  112  extending through the foundation module  110 . The counterbore  111  is located at an end of the anchor bolt hole  112  and is in connection with the anchor bolt hole  112 . Specifically, the counterbore  111  and the anchor bolt hole  112  are provided on a central axis of the bottom of the foundation module  110 . 
         [0040]    Referring also to  FIG. 3 , the anchor bolt  120  includes a bolt head  122  and a main body  124  having a rod-like structure provided on the bolt head  122 . The bolt head  122  is located in the counterbore  111 , the main body  124  extends through the anchor bolt hole  112 , and an end of the anchor bolt  120  is higher than a top surface of the foundation module  110 . 
         [0041]    The anchor bolt  120  is a fastener configured to connect the air dome foundation  100  and membrane (not shown). An angle iron (not shown) can be placed on the foundation module  110 , and the membrane is clamped between the foundation module  110  and the angle iron. The anchor bolt  120  extends through a bolt hole on the angle iron and is fastened with a nut. 
         [0042]    Specifically, the counterbore  111  is a square dimpling, the bolt head  122  is a square bolt head. The end of the anchor bolt  120  is at least 4 cm higher than the top surface of the foundation module  110 . 
         [0043]    It should be understood that, the anchor bolt  120  may be pre-poured onto the foundation module  110 . Alternatively, the anchor bolt  120  can be substituted by an expansion bolt punching into the foundation module  110  during installation. The counterbore  111  may not be limited to a square dimpling, e.g. it can be a round hole. 
         [0044]    The foundation module  110  may be embodied as a concrete foundation module  110  pre-poured by reinforced concrete. The plurality of foundation modules  110  are connected end to end, and they can resist the upward and lateral tension of the membrane by their own weight. 
         [0045]    According to the foregoing air dome foundation  100 , the foundation module  110  thereof is modularized. The foundation module  110  can be placed on the ground without excessive treatment of the ground, even holes is not necessary to be drilled on the ground. The foundation module  110  can be pre-machined in the factory, and transported to the site and installed as needed, such that the construction period is further shortened, and the construction costs are significantly reduced. 
         [0046]    Referring to  FIG. 1  again, the foundation module  110  can include a normal side module  110   a,  a both-sides module  110   b  for main door, a both-sides module  110   c  for emergency door, and a corner module  110   d.  The normal side module  110   a,  the both-sides module  110   b  for main door, and the both-sides module  110   c  for emergency door have elongated structures. The corner module  110   d  can be of an L-shaped structure. 
         [0047]    In the illustrated embodiment, referring to  FIG. 2 , both ends of a side of the foundation module  110  are provided with one row of first through holes  113 . 
         [0048]    Referring to  FIG. 4  and  FIG. 5 , the air dome foundation  100  further includes a plurality of splicing plates  130  and penetrating bolts  140 . The splicing plate  130  is provided with two rows of second through holes  132 , the two rows of second through holes  132  are corresponding to a row of the first through holes  113  on an end of the two adjacent foundation modules  110 . The penetrating bolt  140  extends through the first through hole  113  and the second through hole  132 , such that two adjacent foundation modules  110  are fixed via the splicing plate  130 . 
         [0049]    Specifically, the second through hole  132  can be an oblong hole, so as to eliminate the dimensional error of the reserved space when the foundation module  110  is poured. 
         [0050]    The air dome foundation  100  further includes a gasket  150  and a nut  160 . The nut  160  is threadedly connected to the end of the penetrating bolt  140 , so as to fasten the penetrating bolt  140 . The gasket  150  is located between the nut  160  and the splicing plate  130 . The penetrating bolt  140  is fastened by the nut  160  and the gasket  150 . 
         [0051]    It should be understood that, in alternative embodiments, the foundation modules  110  can be spliced by other means, besides by using the splicing plates  130  and the penetrating bolts  140 . 
         [0052]    In order to meet the sealing requirements, the air dome foundation  100  further includes a sealing cushion  170  disposed between adjacent two foundation modules  110  or on the bottom surface of the foundation module  110 . 
         [0053]    Alternatively, the air dome foundation  100  further includes a sealing adhesive coated between adjacent two foundation modules  110  or on the bottom surface of the foundation module  110 . In that case, the sealing cushion  170  can be omitted accordingly. 
         [0054]    Referring to  FIG. 6 , a sidewall of the foundation module  110  is provided with at least one lifting hole  114 , so as to meet the requirement of transportation and installation. Furthermore, a sidewall of the foundation module  110  is provided with at least one exhaust hole (not shown) for exhausting or air conditioning, so as to meet the requirements of heating. 
         [0055]    According to the foregoing air dome foundation  100 , the foundation module  110  can be pre-machined in the factory, and transported to the site and installed as needed, thus achieving modularization. During installation, the foundation module  110  can be placed on the ground without excessive treatment of the ground, such that the construction period is further shortened, and the construction costs are significantly reduced. The air dome foundation  100  is suitable for occasions where frequent movements are needed or existing ground or facilities cannot be modified or destroyed. 
         [0056]    Although the description is illustrated and described herein with reference to certain embodiments, the description is not intended to be limited to the details shown. Modifications may be made in the details within the scope and range equivalents of the claims.