CN111335454A

CN111335454A - Assembly type structure based on BIM

Info

Publication number: CN111335454A
Application number: CN202010166248.0A
Authority: CN
Inventors: 吴怡建; 梁树路; 殷毅洮
Original assignee: Shenzhen Machinery Institute Architectural Design Co ltd
Current assignee: Shenzhen Machinery Institute Architectural Design Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-06-26

Abstract

The invention relates to an assembly type building based on BIM (building information modeling), which relates to the technical field of assembly type buildings and comprises a first base and a second base, wherein four support columns are arranged on the second base, four first grooves are formed in the second base, the support columns are inserted into the first grooves, floor slabs are arranged at the top ends of the four support columns, four second grooves are formed in the floor slabs, the support columns are inserted into the second grooves, four first connecting holes are formed in the floor slabs and correspond to the four support columns respectively, second connecting holes are formed in the support columns, third connecting holes are formed in the first grooves and communicated with the second connecting holes, the second connecting holes are communicated with the first connecting holes, a water storage tank is fixedly connected to the side wall of the second base, the third connecting holes are communicated with the interior of the water storage tank, a water suction pump is arranged in the water storage tank, and a water delivery pipe of the suction pump extends out of the water. The rainwater collecting device has the advantages that the rainwater can be collected and accumulated water can be prevented from being formed around the building.

Description

Assembly type structure based on BIM

Technical Field

The invention relates to the technical field of prefabricated buildings, in particular to a BIM-based prefabricated building.

Background

BIM is currently an abbreviation for the English term, "building information model". Can be interpreted as a "building information model", which is a digital representation of the physical and functional characteristics of a facility.

The existing fabricated building is fabricated on the construction site by prefabricated components, and has the advantages of high construction speed, small restriction of climate conditions, labor saving and building quality improvement.

The existing fabricated building is in practical application, and when rainwater flows down to the ground from a roof in rainy days, the problem of accumulated water around the building is easy to occur, so that the service life of the fabricated building is influenced, the rainwater is wasted, the living experience of residents is directly reduced, and the practical application is not facilitated.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a BIM-based fabricated building, which has the advantages that the building can collect rainwater and can also avoid water accumulation around the building by arranging a water storage device.

The above object of the present invention is achieved by the following technical solutions:

a BIM-based assembly type building comprises a first base and a second base fixed on the first base, wherein the upper surface of the second base is provided with four supporting columns, the upper surface of the second base is provided with four first grooves matched with the supporting columns, the four supporting columns are respectively inserted into the four first grooves on the second base, the top ends of the four supporting columns are provided with a floor, the floor is provided with four second grooves matched with the supporting columns, one ends of the four supporting columns, far away from the second base, are respectively inserted into the four second grooves, the upper surface of the floor is provided with four first connecting holes, the four first connecting holes respectively correspond to the four supporting columns, second connecting holes are formed in the supporting columns, the inner peripheral surface of each first groove is provided with a third connecting hole, one end of the third connecting hole is communicated with the second connecting hole, and the other end of the third connecting hole extends to the side wall of the second base, the second connecting hole is communicated with the first connecting hole, a water storage tank is fixedly connected to the side wall of the second base, the third connecting hole is communicated with the interior of the water storage tank, a water suction pump is arranged in the water storage tank, and a water feeding pipe of the water suction pump extends out of the upper surface of the water storage tank.

Through adopting above-mentioned technical scheme, when meetting rainy day, the rainwater falls on the floor, and the rainwater on the floor is stored in the water storage box along four first support columns and third connecting hole and fourth connecting hole through four first connecting holes of floor upper surface four corners position department, can take the rainwater out from the water storage box through the suction pump when vegetation on the ground needs to irrigate, then irrigate the vegetation on ground. Meanwhile, when raining, the rainwater on the upper surface of the floor slab flows into the water storage tank through the first collecting hole, so that the rainwater cannot drip to the ground through the edge of the upper surface of the floor slab, and the rainwater dripping on the floor slab is prevented from scouring soil around the second base.

The present invention in a preferred example may be further configured to: the upper surface of the water storage tank is fixedly connected with a drain pipe communicated with the inside of the water storage tank, and one end of the drain pipe, far away from the water storage tank, is communicated with a sewer.

Through adopting above-mentioned technical scheme, after the rainfall is great leads to the water collection in the water storage box to be full, water in the water storage box can be through the drain pipe in the sewer of discharging, avoids the water of floor upper surface can't discharge through first connecting hole after the water storage box is full, and then leads to the water of floor upper surface to fall subaerially through the border of floor.

The present invention in a preferred example may be further configured to: the upper surface of floor is provided with the backup pad of laying along the length direction of floor, the backup pad is located the middle part of floor, be in the same place through fixing bolt fastening between the upper surface of backup pad and floor, the upper surface rigid coupling of backup pad has two spinal branch vaulting poles, the top rigid coupling of two spinal branch vaulting poles has the connecting rod, the both sides of connecting rod all are provided with the bearing board of laying along the length direction of connecting rod, the top of two bearing boards is all set up on the connecting rod, the bottom of two bearing boards all inclines towards the direction that deviates from the backup pad, link together through fixing bolt between two bearing boards and the connecting rod.

Through adopting above-mentioned technical scheme, can slide down to first connecting hole department when dropping on the bearing board through setting up the rainwater like this, can avoid the surface on roof to remain ponding as far as like this.

The present invention in a preferred example may be further configured to: the side walls of the two bearing plates, which are far away from the connecting rod, are provided with heat insulation plates, and the heat insulation plates and the bearing plates are fixed together through the fixing bolts. The side wall of the heat insulation plate far away from the bearing plate is provided with a protection plate, and the protection plate and the bearing plate are fixed together through a fixing bolt penetrating through the protection plate.

Through adopting above-mentioned technical scheme, form triangular cavity between the upper surface of two bearing plates and floor, the heated board can insulate against heat to the air in the cavity to make the thermal-insulated effect in the room better.

The present invention in a preferred example may be further configured to: and the top parts of the two protection plates are provided with cover plates for eliminating gaps between the two protection plates.

Through adopting above-mentioned technical scheme, the apron can be eliminated the gap between two protection shields, avoids the rainwater to flow down to the roofing through the gap between two protection shields as far as.

The present invention in a preferred example may be further configured to: the third recess that lays along the length direction of floor is all seted up to the both sides of the upper surface backup pad of floor, and two protection shields are located between two third recesses, and lie in the backup pad with two first connecting holes of one side all lie in the third recess of this side.

Through adopting above-mentioned technical scheme, the rainwater that flows down from two protection shields can directly flow in two third recesses, and the third recess can have a retaining to do when the rainfall is great and run into to cause the rainwater to flow to subaerially from the border of floor when not in time avoiding first connecting hole water as far as possible.

The present invention in a preferred example may be further configured to: and sealing plates used for sealing the space formed between the two bearing plates and the floor slab are arranged at the two ends of the supporting plate.

Through adopting above-mentioned technical scheme, two closing plates seal the space that forms between two bearing board and the floor. Avoid backup pad, bracing piece and connecting rod to expose for a long time externally to cause ageing with higher speed as far as, also make two bearing boards and two closing plates of floor upper surface form inclosed cavity simultaneously, and then make indoor heat preservation effect better.

The present invention in a preferred example may be further configured to: the both sides of backup pad all are provided with the fixed plate, and two fixed plates are all laid along the length direction of backup pad, and the fixed plate includes third board, fourth board and fifth board, and the fourth board is parallel with the upper surface of floor, and the upper surface of third board and floor is perpendicular, wears to be equipped with fixing bolt between third board and the backup pad, and the one side of third board is kept away from at the fourth board to the fifth board rigid coupling, and the fifth board that lies in backup pad with one side is the same with the incline direction of bearing board, and wears to establish fixing bolt between the two.

Through adopting above-mentioned technical scheme, two fixed plates can consolidate two bearing plates. So that the two bearing plates are more stable.

The present invention in a preferred example may be further configured to: the part of the outer peripheral surface of the second base, which is located above the soil layer, is provided with a waterproof board for preventing water from accumulating around the second base.

Through adopting above-mentioned technical scheme, can prevent like this as far as to produce ponding around the second base.

The present invention in a preferred example may be further configured to: the rigid coupling has annular solid fixed ring on the outer peripheral face at support column top, and the rigid coupling has four dead levers on solid fixed ring's the outer peripheral face, and the dead lever includes first pole and second pole, and first pole is parallel with the floor, and wears to be equipped with fixing bolt between the lower surface of first pole and floor, and the second pole is located between first pole and the solid fixed ring, the both ends of second pole respectively with solid fixed ring's outer peripheral face and the one end rigid coupling of first pole.

Through adopting above-mentioned technical scheme, solid fixed ring and dead lever can support the floor, and then make the more stable of floor.

In summary, the invention includes at least one of the following beneficial technical effects:

1. through setting up the water storage box, water storage box and floor upper surface intercommunication, and set up the suction pump in the water storage box, when meetting rainy day, the rainwater falls on the floor, and the rainwater on the floor is stored in the water storage box through downflow, can take the rainwater out from the water storage box through the suction pump when the vegetation on the ground needs to irrigate, then irrigate the vegetation on ground. Meanwhile, when raining, the rainwater on the upper surface of the floor slab flows into the water storage tank through the first collecting hole, so that the rainwater cannot drip onto the ground through the edge of the upper surface of the floor slab, and the rainwater dripping on the floor slab is prevented from scouring soil around the second base;

2. through set up backup pad, bearing board and third recess at the upper surface of floor, can avoid the upper surface of floor to produce ponding as far as, the rainwater that flows down from two protection shields simultaneously can directly flow into two third recesses in, the third recess can have a retaining to do when the rainfall is great and run into subaerially from the border of floor to cause the rainwater to flow to from the floor when untimely avoiding first connecting hole water.

Drawings

FIG. 1 is a schematic view showing the overall structure of the assembly type building of the present embodiment;

FIG. 2 is a schematic view of the whole construction of this embodiment after the ground is removed;

fig. 3 is a partially enlarged view of a portion a in fig. 2;

FIG. 4 is a schematic view showing the connection relationship among the first connection hole, the second connection hole and the third connection hole in this embodiment;

FIG. 5 is a schematic view showing a mounting structure of the convex cover plate in the present embodiment;

fig. 6 is a partially enlarged view of a portion B in fig. 5;

FIG. 7 is a schematic view of a salient support post structure in this embodiment;

FIG. 8 is a schematic view of a structure of the protruding supporting plate and the fixing plate in the present embodiment.

In the figure, 1, a first base; 2. a second base; 21. a first groove; 211. a third connection hole; 22. a waterproof sheet; 3. a ground surface; 4. a support pillar; 41. a second connection hole; 42. a fixing ring; 421. fixing the rod; 4211. a first lever; 4212. a second lever; 5. a floor slab; 51. a second groove; 52. a third groove; 521. a first connection hole; 6. a wallboard; 7. a water storage tank; 71. a water pump; 711. a water supply pipe; 72. a drain pipe; 8. a support plate; 81. a support bar; 811. a connecting rod; 82. a sealing plate; 83. a fixing plate; 831. a third plate; 832. a fourth plate; 833. a fifth plate; 9. a support plate; 91. a thermal insulation board; 911. a protection plate; 92. a cover plate; 921. a first plate; 922. a second plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the BIM-based assembly type building disclosed by the invention comprises a rectangular first base 1, wherein the first base 1 is horizontally arranged, a rectangular second base 2 is arranged above the base, the first base 1 and the second base 2 are fixedly connected together by penetrating a plurality of fixing bolts, and the first base 1 and the second base 2 are embedded in a ground 3. The upper surface of second base 2 leaks out ground 3, and the upper surface of second base 2 is provided with four support columns 4, the equal vertical setting of four support columns 4.

Referring to fig. 4, four corners of the upper surface of the second base 2 are provided with first grooves 21 which are circular and adapted to the support columns 4, and bottom ends of the four support columns 4 are respectively inserted into the four first grooves 21 of the upper surface of the second base 2. Four support column 4 tops are provided with rectangular floor 5, and floor 5 level sets up, and the four corners position department of floor 5 lower surface all sets up circular and with the second recess 51 of support column 4 adaptation, the top of four support column 4 is inserted respectively and is established in four second recesses 51.

Referring to fig. 1, four wall plates 6 are arranged between the floor slab 5 and the second base 2, the four wall plates 6 are all vertically arranged, and the four wall plates are sequentially connected together to form a closed room with the floor slab 5 and the second base 2.

Referring to fig. 4, the four corners of the upper surface of the floor slab 5 are provided with first round connecting holes 521, the first connecting holes 521 are arranged along the thickness direction of the floor slab 5, the four supporting columns 4 are internally provided with second connecting holes 41, the second connecting holes 41 are arranged along the length direction of the supporting columns 4, and the inner circumferential surface of the first groove 21 is provided with third connecting holes 211. One end of the third connection hole 211 communicates with the bottom end of the second connection hole 41. The other end of the third connection hole 211 extends to a sidewall of the second base 2. The top end of the second connection hole 41 communicates with the bottom end of the first connection hole 521.

An annular water storage tank 7 is fixedly connected to the side wall of the second base 2, the cross section of the water storage tank 7 is rectangular, and the inner circumferential surface of the water storage tank 7 is attached to the four side walls of the second base 2. One end of the fourth connecting hole, which is far away from the third connecting hole 211, is communicated with the inside of the water storage tank 7. The water storage tank 7 is positioned below the ground 3, a water suction pump 71 is arranged in the water storage tank 7, and a water supply pipe 711 of the water suction pump 71 penetrates through the upper surface of the water storage tank 7 and the soil layer and extends out of the ground 3.

When meeting rainy day, the rainwater falls on floor 5, and the rainwater on floor 5 flows down to water storage tank 7 along four first support columns 4 and third connecting hole 211 and fourth connecting hole through four first connecting holes 521 at four corners of floor 5 upper surface and stores, can take the rainwater out of water storage tank 7 through suction pump 71 when vegetation on ground 3 needs to be irrigated, then irrigate the vegetation on ground 3. Meanwhile, when raining, the rainwater on the upper surface of the floor slab 5 flows into the water storage tank 7 through the first collecting hole, so that the rainwater cannot drip onto the ground 3 through the edge of the upper surface of the floor slab 5, and the rainwater dripping on the floor slab 5 is prevented from scouring soil around the second base 2.

The upper surface of the water storage tank 7 is fixedly connected with a drain pipe 72, one end of the drain pipe 72 is communicated with the inside of the water storage tank 7, the other end of the drain pipe 72 is communicated with a sewer, after the water in the water storage tank 7 is collected fully due to the large rainfall, the water in the water storage tank 7 can be discharged into the sewer through the drain pipe 72, the situation that the water on the upper surface of the floor slab 5 cannot be discharged through the first connecting hole 521 after the water in the water storage tank 7 is fully filled is avoided, and the water on the upper surface of the floor slab 5 falls onto the ground 3 through the edge of the floor slab 5.

Referring to fig. 4 and 8, the upper surface of the floor slab 5 is provided with a rectangular support plate 8, the support plate 8 is arranged along the length direction of the floor slab 5, the support plate 8 is located in the middle of the floor slab 5, the support plate 8 is flat with the upper surface of the floor slab 5, the support plate 8 and the upper surface of the floor slab 5 are fixed together through a fixing bolt, the upper surface of the support plate 8 is fixedly connected with two support rods 81, the two support rods 81 are vertically arranged, and the two support rods 81 are located at two ends of the support plate 8 respectively. The top ends of the two support rods 81 are provided with connecting rods 811, and two ends of the connecting rods 811 are respectively and fixedly connected with two ends of the support rods 81. The cross section of the connecting rod 811 is an equilateral triangle, and one side wall of the connecting rod 811 in the length direction is parallel to the upper surface of the floor slab 5.

Referring to fig. 5 and 6, the two sides of the connecting rod 811 are provided with the supporting plates 9, the two supporting plates 9 are arranged along the length direction of the connecting rod 811, and the tops of the two supporting plates 9 are respectively arranged on the two side walls of the connecting rod 811. The bottoms of the two connecting plates are respectively arranged in an inclined way towards the direction far away from the supporting plate 8, and the two bearing plates 9 are connected with the connecting rod 811 through fixing bolts. By arranging such that rainwater can flow down to the first connection hole 521 when falling on the support plate 9, it is possible to prevent water from remaining on the surface of the roof as much as possible.

All be provided with heated board 91 on the lateral wall that connecting rod 811 was kept away from to two bearing board 9, heated board 91's size is the same with the size of bearing board 9, and is in the same place through wearing to establish fixing bolt between heated board 91 and the bearing board 9. The side wall of the heat insulation plate 91 far away from the bearing plate 9 is provided with a protection plate 911, and the protection plate 911 and the bearing plate 9 are fixed together through a fixing bolt penetrating through. A triangular cavity is formed between the two bearing plates 9 and the upper surface of the floor slab 5, and the heat insulation plate 91 can insulate heat for air in the cavity, so that the heat insulation effect in a room is better.

The top of two protection boards 911 is provided with apron 92, apron 92 includes first board 921 and second board 922, the cross-section of first board 921 and second board 922 is L shape, apron 92 is laid along the length direction of connecting rod 811, and the opening of apron 92 is towards connecting rod 811, first board 921 and second board 922 are the same with the incline direction of two bearing board 9 respectively, apron 92 sets up on two protection boards 911, first board 921 and second board 922 respectively with two bearing board 9 between together through fixing bolt fastening. The cover plate 92 can eliminate the gap between the two protection plates 911, and prevent rainwater from flowing down to the roof through the gap between the two protection plates 911 as much as possible.

Referring to fig. 2 and 3, the two sides of the upper surface supporting plate 8 of the floor slab 5 are both provided with a strip-shaped third groove 52, the two third grooves 52 are all arranged along the length direction of the floor slab 5, the two protection plates 911 are located between the two third grooves 52, the two first connecting holes 521 located on the same side of the supporting plate 8 are both located in the third grooves 52 on the same side, and the two first connecting holes 521 located in the same third groove 52 are respectively located at two ends of the third groove 52. Rainwater flowing down from the two protection plates 911 can directly flow into the two third grooves 52, and when the rainfall is large, the third grooves 52 can store water to avoid the first connecting hole 521 from causing rainwater to flow to the ground 3 from the edge of the floor slab 5 in time.

The bottom surface of the third groove 52 is provided as a slope inclined from the middle of the third groove 52 to both ends. This accelerates the flow rate of rainwater in the third grooves 52, while preventing water from accumulating in the third grooves 52.

Triangular sealing plates 82 are arranged at two ends of the supporting plate 8, the sealing plates 82 are fixedly connected to the two bearing plates 9, and the two sealing plates 82 seal the space formed between the two bearing plates 9 and the floor 5. Avoid backup pad 8, bracing piece 81 and connecting rod 811 to expose for a long time externally to cause ageing with higher speed as far as, also make two bearing board 9 and two closing plate 82 of floor 5 upper surface form inclosed cavity simultaneously, and then make indoor heat preservation effect better.

Referring to fig. 5 and 8, fixing plates 83 are disposed on both sides of the supporting plate 8, the two fixing plates 83 are disposed along the length direction of the supporting plate 8, each fixing plate 83 includes a third plate 831, a fourth plate 832 and a fifth plate 833, and the fourth plate 832 is parallel to the upper surface of the floor slab 5. The third plate 831 is perpendicular to the upper surface of the floor 5, the side wall of the third plate 831 facing the support plate 8 is flush with the side wall of the fourth plate 832 facing the support plate 8, the side wall of the third plate 831 facing the support plate 8 is attached to the side wall of the fourth plate 832 facing the support plate 8, and a fixing bolt penetrates between the third plate 831 and the support plate 8. The fifth plate 833 located on the same side of the supporting plate 8 has the same inclination direction as the supporting plate 9, and a fixing bolt is inserted between the fifth plate 833 and the supporting plate 9. The two fixing plates 83 may reinforce the two support plates 9.

Referring to fig. 1 and 2, an annular waterproof sheet 22 is provided on a portion of the outer circumferential surface of the second base 2 above the soil layer, and an upper surface of the waterproof sheet 22 is provided as an inclined surface inclined toward the outside of the second base 2. This can prevent water accumulation from occurring around the second base 2 as much as possible.

Referring to fig. 7, annular fixing rings 42 are sleeved on the outer peripheral surfaces of the tops of the four support columns 4, four fixing rods 421 are fixedly connected to the outer peripheral surfaces of the fixing rings 42, each fixing rod 421 includes a first rod 4211 and a second rod 4212, the first rods 4211 are parallel to the floor slab 5, fixing bolts penetrate through the lower surfaces of the first rods 4211 and the floor slab 5, the second rods 4212 are located between the first rods 4211 and the fixing rings 42, and two ends of each second rod 4212 are fixedly connected to the outer peripheral surfaces of the fixing rings 42 and one end of each first rod 4211. This increases the stability of the floor 5.

The implementation principle of the embodiment is as follows: when meetting rainy day, the rainwater falls on two protection boards 911, then flows down to two third recesses 52 along protection board 911 in, flows into the rainwater in the third recess 52 and enters into first connecting hole 521, then flows into in the water storage box 7, if the rainfall is great lead to the interior surplus water of water storage box 7 to discharge to the sewer through drain pipe 72 after the water in the water storage box 7 fills with. When the weather is dry, the water pump 71 can be started to pump the water in the water storage tank 7 to the ground 3 for irrigating the plants.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A BIM-based fabricated building, comprising: the floor comprises a first base (1) and a second base (2) fixed on the first base (1), wherein the upper surface of the second base (2) is provided with four supporting columns (4), the upper surface of the second base (2) is provided with four first grooves (21) matched with the supporting columns (4), the four supporting columns (4) are respectively inserted into the four first grooves (21) on the second base (2), the top ends of the four supporting columns (4) are provided with a floor (5), the floor (5) is provided with four second grooves (51) matched with the supporting columns (4), one ends of the four supporting columns (4) far away from the second base (2) are respectively inserted into the four second grooves (51), the upper surface of the floor (5) is provided with four first connecting holes (521), the four first connecting holes (521) respectively correspond to the four supporting columns (4), and second connecting holes (41) are formed in the supporting columns (4), seted up third connecting hole (211) on the inner peripheral surface of first recess (21), the one end and the second connecting hole (41) intercommunication of third connecting hole (211), the other end of third connecting hole (211) extends to on the lateral wall of second base (2), second connecting hole (41) and first connecting hole (521) intercommunication, the rigid coupling has water storage box (7) on the lateral wall of second base (2), communicate in third connecting hole (211) and water storage box (7), be provided with suction pump (71) in water storage box (7), the upper surface that water storage box (7) were followed in delivery pipe (711) of suction pump (71) stretches out.

2. The BIM-based assembly building of claim 1, wherein: the upper surface of the water storage tank (7) is fixedly connected with a drain pipe (72) communicated with the interior of the water storage tank (7), and one end, far away from the water storage tank (7), of the drain pipe (72) is communicated with a sewer.

3. The BIM-based assembly building of claim 1, wherein: the upper surface of floor (5) is provided with backup pad (8) of laying along the length direction of floor (5), backup pad (8) are located the middle part of floor (5), be in the same place through fixing bolt is fixed between the upper surface of backup pad (8) and floor (5), the upper surface rigid coupling of backup pad (8) has two spinal branch vaulting poles (81), the top rigid coupling of two spinal branch vaulting poles (81) has connecting rod (811), the both sides of connecting rod (811) all are provided with bearing board (9) of laying along the length direction of connecting rod (811), the top of two bearing board (9) is all set up on connecting rod (811), the bottom of two bearing board (9) all inclines towards the direction that deviates from backup pad (8), link together through fixing bolt between two bearing board (9) and connecting rod (811).

4. A BIM based fabricated building according to claim 3, wherein: the side walls of the two bearing plates (9) far away from the connecting rod (811) are provided with insulation boards (91), the insulation boards (91) and the bearing plates (9) are fixed together through penetrating fixing bolts, the side walls of the insulation boards (91) far away from the bearing plates (9) are provided with protection plates (911), and the protection plates (911) and the bearing plates (9) are fixed together through penetrating fixing bolts.

5. The BIM-based assembly building of claim 4, wherein: and cover plates (92) used for eliminating gaps between the two protection plates (911) are arranged at the tops of the two protection plates (911).

6. The BIM-based assembly building of claim 1, wherein: third recess (52) that the length direction of following floor (5) laid are all seted up to the both sides of upper surface backup pad (8) of floor (5), and two protection shields (911) are located between two third recesses (52), and lie in backup pad (8) with two first connecting hole (521) of one side all be located third recess (52) of this side.

7. A BIM based fabricated building according to claim 3, wherein: and sealing plates (82) used for sealing the space formed between the two bearing plates (9) and the floor (5) are arranged at the two ends of the supporting plate (8).

8. A BIM based fabricated building according to claim 3, wherein: the both sides of backup pad (8) all are provided with fixed plate (83), two fixed plates (83) are all laid along the length direction of backup pad (8), and fixed plate (83) include third board (831), fourth board (832) and fifth board (833), the upper surface of fourth board (832) and floor (5) is parallel, the upper surface of third board (831) and floor (5) is perpendicular, wear to be equipped with fixing bolt between third board (831) and backup pad (8), one side that third board (831) were kept away from in fourth board (832) is fixed coupling to fifth board (833), and it is the same with the incline direction of bearing board (9) to be located fifth board (833) that backup pad (8) were with one side, and wear to establish fixing bolt between the two.

9. The BIM-based assembly building of claim 1, wherein: the water-proof device is characterized in that a water-proof plate (22) used for preventing water from accumulating around the second base (2) is arranged on the peripheral surface of the second base (2), and the water-proof plate (22) is positioned above the water storage tank (7).

10. The BIM-based assembly building of claim 1, wherein: the rigid coupling has annular solid fixed ring (42) on the outer peripheral face at support column (4) top, the rigid coupling has four dead levers (421) on the outer peripheral face of solid fixed ring (42), dead lever (421) include first pole (4211) and second pole (4212), first pole (4211) are parallel with floor (5), and wear to be equipped with fixing bolt between the lower surface of first pole (4211) and floor (5), second pole (4212) are located between first pole (4211) and solid fixed ring (42), the both ends of second pole (4212) respectively with the outer peripheral face of solid fixed ring (42) and the one end rigid coupling of first pole (4211).