CN212926041U

CN212926041U - Soft foundation structure

Info

Publication number: CN212926041U
Application number: CN202020982137.2U
Authority: CN
Inventors: 邱杰; 彭楠; 李伟; 丁帮俊
Original assignee: Jiangsu Pangyuan Mechanical Engineering Co ltd
Current assignee: Jiangsu Pangyuan Mechanical Engineering Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-04-09
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a soft foundation structure relates to building foundation engineering technical field, a soft foundation structure, including the kerve, two stabilizing base have been pour to the bottom of kerve, and the equal fixedly connected with supporting pile in one side of two stabilizing base outer walls, two the reinforcing bar circle group has all been cup jointed to the wall body of supporting pile, the bottom-packing of kerve has real soil layer, the top packing on real soil layer has stone layer, the top packing on stone layer has sand layer, first cement layer has been pour at sand layer's top. The utility model discloses a setting of sand soil layer and filling tube, after ground basement portion takes place to subside along with the lapse of time, the sand can take place the gap along with subsiding the drop and taking place the gap with first cement layer, can then advance the concrete filler filling through the filling tube and subside in the gap according to the degree of subsiding to avoid the above structure of first cement layer to take place to subside, avoid the potential safety hazard.

Description

Soft foundation structure

Technical Field

The utility model relates to a building foundation engineering technical field specifically is a weak foundation structure.

Background

In recent years, due to rapid development of construction of traffic facilities such as roads and bridges, natural poor soft foundations spanning over sections such as small and medium-sized rivers, beaches, lakes, swamps, shallow ponds and wetlands are often needed, the soft foundations in the sections are generally complex in structure, a fourth-line covering layer may be deep, and due to the difference of physical and mechanical properties of foundation soil of each layer, difference of natural climate environments, human activities and other reasons, the soft foundation structure is often more complex than the general foundation structure.

Traditional weak foundation infrastructure often only pays attention to waterproof not paying attention to the drainage, in case the inside infiltration that takes place of structure, can only destroy the structure part earlier, then handle and leak, the engineering volume is complicated, serious extravagant labour, moreover because the characteristic in weak region, foundation portion takes place to subside easily along with the lapse of time, seriously endangers the ground building, has great potential safety hazard, is unfavorable for the later stage to foundation infrastructure's maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft foundation structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a soft foundation structure comprises a bottom groove, wherein two stabilizing bases are poured at the bottom of the bottom groove, supporting piles are fixedly connected to one sides of the outer walls of the two stabilizing bases, reinforcing steel ring groups are sleeved on the walls of the two supporting piles, a solid soil layer is filled at the bottom of the bottom groove, a stone layer is filled at the top of the solid soil layer, a sand layer is filled at the top of the stone layer, a first cement layer is poured at the top of the sand layer, a first waterproof layer is pasted on one side of the outer wall of the first cement layer, a crossed reinforcing steel frame is fixedly connected to the walls of the first cement layer and one side of the outer wall of the first waterproof layer through expansion screws, a second cement layer is poured at the top of the crossed reinforcing steel frame, a second waterproof layer is pasted on one side of the outer wall of the second cement layer, and a water accumulation layer and two supporting blocks are respectively poured on one side of the outer wall of the second waterproof layer, and the wall body of two supporting shoes has all been seted up the water conservancy diversion hole, and the honeycomb duct has all been cup jointed to the inner wall in water conservancy diversion hole, the top of water accumulation layer is pasted and is had third water layer, two drinking-water holes have been seted up at the top of water accumulation layer, and the inner wall in two drinking-water holes has all been cup jointed the drinking-water pipe, and the top of two drinking-water pipes all runs through in the wall body of third water layer to the ground foundation structure outside, the kerve is provided with the filling hole in the high department on sand and soil layer, and the inner wall in filling hole has cup jointed the.

Preferably, the top of the outer wall of the third water layer is poured with a settlement pile, and the center of the top of the settlement pile is embedded with a settlement observation nail.

Preferably, a sealing cover is installed at the top end of the water pumping pipe.

Preferably, the bottom and the top of the supporting block are fixedly connected to the top of the second waterproof layer and the inner side of the top of the water accumulation layer respectively.

Preferably, the reinforcing ring group consists of four single reinforcing rings, and the four single reinforcing rings are uniformly sleeved on the wall body of the supporting pile from top to bottom.

Preferably, the top end of the supporting pile penetrates through the solid soil layer, the stone layer and the sandy soil layer and is connected to the bottom of the first cement layer.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a soft foundation structure, through the setting of ponding layer and drinking-water pipe, can take place when the infiltration at foundation structure, accumulate ponding to in the ponding layer space, stretch into ponding layer inside with the straw through the drinking-water pipe and utilize the suction pump to take ponding out, can simplify drainage work, play the effect of practicing thrift the labour.

(2) The utility model provides a soft foundation structure, through the setting of sand bed and filling tube, after foundation portion takes place to subside along with the lapse of time, sand can take place the gap along with subsiding drop and first cement layer, can then can advance the concrete filler filling through the filling tube according to the degree of subsiding and subside in the gap to avoid the above structure of first cement layer to take place to subside, avoid the potential safety hazard, the realization does benefit to the effect of later stage to foundation structure's maintenance.

Drawings

FIG. 1 is a schematic view of a front view of a half plane structure of the present invention;

FIG. 2 is a schematic view of a side view of the half plane structure of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. a bottom groove; 2. a stabilizing base; 3. a support pile; 4. a reinforcing steel bar ring group; 5. a solid soil layer; 6. a stone layer; 7. a sandy soil layer; 8. a first cement layer; 9. a first waterproof layer; 10. crossed reinforcing steel bar frames; 11. a second cement layer; 12. a second waterproof layer; 13. water accumulation layer; 14. a water conduit; 15. a support block; 16. a water pumping pipe; 17. a sealing cover; 18. a third water layer; 19. a settlement observation nail; 20. settling the piles; 21. and (6) filling the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a foundation structure of a soft foundation comprises a bottom groove 1, two stabilizing bases 2 are poured at the bottom of the bottom groove 1, supporting piles 3 are fixedly connected to one sides of the outer walls of the two stabilizing bases 2, reinforcing steel bar ring groups 4 are sleeved on the wall bodies of the two supporting piles 3, a solid soil layer 5 is filled at the bottom of the bottom groove 1, a stone layer 6 is filled at the top of the solid soil layer 5, a sand layer 7 is filled at the top of the stone layer 6, a first cement layer 8 is poured at the top of the sand layer 7, a first waterproof layer 9 is pasted on one side of the outer wall of the first cement layer 8, a crossed reinforcing steel bar frame 10 is fixedly connected to one sides of the wall bodies of the first cement layer 8 and the outer wall of the first waterproof layer 9 through expansion screws, a second cement layer 11 is poured at the top end of the crossed reinforcing steel bar frame 10, a second waterproof layer 12 is pasted on one side of the outer wall of the second cement layer 11, a water accumulation layer 13 and two supporting blocks, the walls of the two supporting blocks 15 are respectively provided with a flow guide hole, the inner walls of the flow guide holes are respectively sleeved with a flow guide pipe 14, the top of the water accumulation layer 13 is adhered with a third water prevention layer 18, the top of the water accumulation layer 13 is provided with two water pumping holes, the inner walls of the two water pumping holes are respectively sleeved with a water pumping pipe 16, the top ends of the two water pumping pipes 16 respectively penetrate through the walls of the third water prevention layer 18 to the outside of the foundation basic structure, the bottom groove 1 is provided with a filling hole at the height of the sandy soil layer 7, the inner wall of the filling hole is sleeved with a filling pipe 21, the top of the outer wall of the third water prevention layer 18 is poured with a sedimentation pile 20, the center of the top of the sedimentation pile 20 is embedded with a sedimentation observation nail 19, the top end of the water pumping pipe 16 is provided with a sealing cover 17, the bottom and the top of the supporting block 15 are respectively and fixedly connected with the top of the second water prevention layer 12 and the inner side, the top end of the support pile 3 is connected to the bottom of the first cement layer 8 throughout the inside of the solid soil layer 5, the stone layer 6 and the sand layer 7.

The working principle is as follows: two stabilizing bases 2 poured at the bottom of the bottom groove 1 can increase the contact surface of a foundation structure and the bottom groove 1, two supporting piles 3 can enhance the support and stability of the whole mechanism, a solid soil layer 5, a stone layer 6, a sand layer 7 and a first cement layer 8 poured in sequence can finish the replacement of the bottom soil quality of a weak area, the crossed reinforcing steel frame 10 can disperse the pressure of a ground building more uniformly, when water seepage occurs inside the foundation structure, the accumulated water is accumulated in a gap of a water accumulation layer 13, a suction pipe is extended into the water accumulation layer 13 through a water suction pipe 16 and is pumped out by a water suction pump, the drainage work can be simplified, when the foundation base is settled along with the time, the sand layer 7 can generate a gap with the first cement layer 8 along with the settlement difference, concrete fillers can be filled into the settlement gap through a filling pipe 21 according to the settlement degree, thereby avoiding the settlement of the structure above the first cement layer 8 and avoiding the potential safety hazard.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A soft foundation structure, includes kerve (1), its characterized in that: two stabilizing bases (2) are poured at the bottom of the bottom groove (1), supporting piles (3) are fixedly connected to one sides of the outer walls of the two stabilizing bases (2), reinforcing steel ring groups (4) are sleeved on the wall bodies of the two supporting piles (3), a solid soil layer (5) is filled at the bottom of the bottom groove (1), a stone layer (6) is filled at the top of the solid soil layer (5), a sand layer (7) is filled at the top of the stone layer (6), a first cement layer (8) is poured at the top of the sand layer (7), a first waterproof layer (9) is pasted on one side of the outer wall of the first cement layer (8), a cross reinforcing steel frame (10) is fixedly connected to one side of the wall body of the first cement layer (8) and one side of the outer wall of the first waterproof layer (9) through expansion screws, and a second cement layer (11) is poured at the top end of the cross reinforcing steel frame (10), one side of second cement layer (11) outer wall is pasted and is had second waterproof layer (12), ponding layer (13) and two supporting shoes (15) have been pour respectively to one side of second waterproof layer (12) outer wall, and the wall body of two supporting shoes (15) has all seted up the water conservancy diversion hole, and honeycomb duct (14) have all been cup jointed to the inner wall in water conservancy diversion hole, the top of ponding layer (13) is pasted and is had third ponding layer (18), two drinking-water holes have been seted up at the top of ponding layer (13), and the inner wall in two drinking-water holes has all cup jointed drinking-water pipe (16), and the top of two drinking-water pipe (16) all runs through in the wall body to the ground foundation structure outside of third ponding layer (18), kerve (1) are provided with the filling hole in the high department of sand layer (7), and the inner wall in filling hole has cup jointed filling.

2. A weak foundation infrastructure as claimed in claim 1, wherein: and a settlement pile (20) is poured at the top of the outer wall of the third water prevention layer (18), and a settlement observation nail (19) is embedded in the center of the top of the settlement pile (20).

3. A weak foundation infrastructure as claimed in claim 1, wherein: and a sealing cover (17) is arranged at the top end of the water pumping pipe (16).

4. A weak foundation infrastructure as claimed in claim 1, wherein: the bottom and the top of the supporting block (15) are respectively and fixedly connected to the top of the second waterproof layer (12) and the inner side of the top of the water accumulation layer (13).

5. A weak foundation infrastructure as claimed in claim 1, wherein: the reinforcing steel bar ring group (4) is composed of four single reinforcing steel bar rings, and the four single reinforcing steel bar rings are uniformly sleeved on the wall body of the supporting pile (3) from top to bottom.

6. A weak foundation infrastructure as claimed in claim 1, wherein: the top end of the supporting pile (3) penetrates through the solid soil layer (5), the stone layer (6) and the sand layer (7) and is connected to the bottom of the first cement layer (8).