CN211080269U

CN211080269U - Back cover construction structure based on it is more to flow groundwater

Info

Publication number: CN211080269U
Application number: CN201921923650.8U
Authority: CN
Inventors: 陆骏; 吴向才
Original assignee: Yunnan Zhuoken Engineering Consulting Co ltd
Current assignee: Yunnan Zhuoken Engineering Consulting Co ltd
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2020-07-24
Anticipated expiration: 2029-11-09

Abstract

The utility model relates to the technical field of construction structures in construction sites, and discloses a back cover construction structure based on more flowing underground water, which comprises an underground continuous wall, a concrete slab, a fixing pile, a support rod, a gas collecting pipe, an exhaust pipe and an exhaust hole which are fixedly arranged in a deep foundation pit, wherein the underground continuous wall encloses a space, and the concrete slab is fixedly arranged at the inner bottom of the underground continuous wall; firstly, uniformly arranging a fixed pile on the bottom of the continuous wall, then fixedly arranging a solid rod on the bottom of the fixed pile, injecting concrete into the continuous wall, wherein bubbles generated during concrete injection enter an exhaust pipe through an exhaust hole, enter a gas collecting pipe and are finally discharged from an opening at the top end of the gas collecting pipe, so that the quality of the bottom sealing mechanism is improved; after the concrete is aired to become a concrete slab, a waterproof layer is attached to the joint of the concrete slab and the continuous wall to prevent the underground water from leaking, and finally the support rod is fixed on the inner wall of the continuous wall and the concrete slab.

Description

Back cover construction structure based on it is more to flow groundwater

Technical Field

The utility model relates to a building site construction structure field specifically is a more back cover construction structures based on groundwater flows.

Background

And bottom sealing, namely, lowering the underground water level to be below the bottom plate cushion layer in the foundation construction, and performing bottom sealing construction above the underground water level.

Stopping precipitation after the bottom sealing concrete reaches a certain strength, quickly plugging the underground water pipe, and carrying out subsequent engineering construction such as bottom plate construction after removing accumulated water.

The excavation of the foundation pit needs to ensure the stability of the side slope and achieve safe construction, and some foundation pits have accumulated water or are thin and soft in soil quality, so that workers are difficult to stand and cannot construct; the 'sand flowing phenomenon' can cause slope collapse and geological damage in some cases; some internal foundation pit soil bodies have larger displacement, so that the safety of adjacent buildings is influenced. These abnormal conditions are caused by groundwater, so that groundwater control is closely related to the safety of foundation pit engineering and the protection of the surrounding environment.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a because the more back cover construction structures of groundwater flows has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: a bottom sealing construction structure based on more flowing underground water comprises an underground continuous wall, a concrete slab, a fixed pile, a supporting rod, a gas collecting pipe, an exhaust pipe and an exhaust hole which are fixedly arranged in a deep foundation pit, the underground continuous wall encloses a space, the concrete slab is fixedly arranged at the inner bottom of the underground continuous wall, the top of the concrete slab is fixedly provided with a plurality of support rods, the top ends of the support rods are obliquely arranged on the inner wall of the underground continuous wall, the bottom end of the supporting rod is obliquely arranged at the top of the concrete slab, a plurality of fixing piles are fixedly arranged inside the concrete slab, the gas collecting pipe is fixedly arranged in the fixed pile, a plurality of exhaust holes are arranged on the periphery of the fixed pile, the exhaust pipe is fixedly arranged in the exhaust hole and communicated with the gas collecting pipe.

Preferably, one side of the outer surface of the vent hole is covered with a waterproof breathable layer.

Preferably, the exhaust hole is formed in a horn shape.

Preferably, a waterproof layer is fixedly arranged at the joint of the concrete slab and the underground continuous wall.

Preferably, a solid rod is fixedly arranged inside the gas collecting pipe, external threads are arranged outside the solid rod, and a filler is arranged between the solid rod and the inner wall of the gas collecting pipe.

Preferably, the fixing piles are fixedly connected with the bottom of the gas collecting pipe, and the top of the fixing piles is provided with an opening.

The utility model discloses possess following beneficial effect:

1. this back cover construction structures based on mobile groundwater is more, set up the support frame in the foundation ditch, set up the diaphragm wall on the support frame, set up the spud pile evenly earlier on the bottom of diaphragm wall, then with the solid pole fixed set up in the bottom of spud pile again, to the inside injection concrete of diaphragm wall, the bubble that produces when the concrete pours into the blast pipe through the exhaust hole, reentrant gas collecting pipe is at last discharged from the open-top department of gas collecting pipe, pour into the stopping again to the gas collecting pipe inside after flushing with the spud pile top when the concrete, the external screw thread can effectively increase the area of contact with the stopping, make solid pole and gas collecting pipe sealing connection.

2. This back cover construction structures based on mobile groundwater is more, wait that the concrete dries to become concrete slab after paste the waterproof layer in concrete slab and continuous wall's junction, the waterproof layer can set up to stagnant water rubber strip, and stagnant water rubber strip meets water automatic expansion, and then blocks up the infiltration gap, cuts the infiltration passageway, prevents the seepage of groundwater, fixes the bracing piece at last on the inner wall of continuous wall and concrete slab can.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a continuous wall; 2. a concrete slab; 3. fixing the pile; 4. a support bar; 5. a gas collecting pipe; 6. an exhaust pipe; 7. an exhaust hole; 8. a waterproof breathable layer; 9. a waterproof layer; 10. a solid bar; 11. an external thread; 12. a filler; 13. a support frame.

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, a back cover construction structure based on more flowing groundwater includes a continuous wall 1 fixedly disposed in a deep foundation pit, a concrete slab 2, a fixing pile 3, a support rod 4, a gas collecting pipe 5, a gas exhaust pipe 6 and a gas exhaust hole 7, the continuous wall 1 encloses a space, the concrete slab 2 is fixedly disposed at the bottom of the continuous wall 1, the top of the concrete slab 2 is fixedly disposed with a plurality of the support rods 4, the top ends of the support rods 4 are obliquely disposed on the inner wall of the continuous wall 1, the bottom ends of the support rods 4 are obliquely disposed at the top of the concrete slab 2, the fixing pile 3 is fixedly disposed inside the concrete slab 2, the gas collecting pipe 5 is fixedly disposed inside the fixing pile 3, the gas exhaust hole 7 is disposed at the periphery of the fixing pile 3, the gas exhaust pipe 6 is fixedly disposed inside the gas exhaust hole 7, the exhaust pipe 6 is communicated with the gas collecting pipe 5.

Wherein, exhaust hole 7 surface one side covers has waterproof ventilative layer 8, and waterproof ventilative layer 8 can set up to the polyethylene surface fabric and form through the hot melt adhesive lamination, and waterproof ventilative layer 8 covers in the great open-ended terminal surface of whole exhaust hole 7, prevents that the concrete from getting into exhaust hole 7.

Wherein, the exhaust hole 7 is arranged in a horn shape.

Wherein, concrete slab 2 with the fixed waterproof layer 9 that is provided with in junction of diaphragm wall 1, waterproof layer 9 can set up to the stagnant water rubber strip, and stagnant water rubber strip meets water automatic expansion, and then blocks up the infiltration gap, cuts the infiltration passageway, prevents the seepage of groundwater.

The gas collecting pipe 5 is internally and fixedly provided with a solid rod 10, external threads 11 are arranged outside the solid rod 10, fillers 12 are arranged between the solid rod 10 and the inner wall of the gas collecting pipe 5, and the threads can effectively increase the contact area with the fillers 12, so that the solid rod 10 is hermetically connected with the gas collecting pipe 5.

Wherein, the bottom of the continuous wall 1 is fixedly provided with a support frame 13.

Wherein, the bottom fixed connection and the top of spud pile 3 and gas collecting pipe 5 are the opening setting, prevent that groundwater from gushing out in spud pile 3.

When in use, a support frame 13 is arranged in a foundation pit, a continuous wall 1 is arranged on the support frame 13, a fixed pile 3 is uniformly arranged on the bottom of the continuous wall 1, then a solid rod 10 is fixedly arranged on the bottom of the fixed pile 3, concrete is injected into the continuous wall 1, bubbles generated during the injection of the concrete enter an exhaust pipe 6 through an exhaust hole 7, then enter a gas collecting pipe 5 and finally are discharged from an opening at the top end of the gas collecting pipe 5, filling materials 12 are injected into the gas collecting pipe 5 after the concrete is injected to be flush with the top end of the fixed pile 3, the contact area between the external threads 11 and the filling materials 12 can be effectively increased, so that the solid rod 10 and the gas collecting pipe 5 are hermetically connected, then, a waterproof layer 9 is attached to the joint of the concrete slab 2 and the continuous wall 1 after the concrete is dried to become the concrete slab 2, the waterproof layer 9 can be arranged as a water stop rubber strip, and then block up the seepage crack, cut off the infiltration passageway, prevent the seepage of groundwater, fix the bracing piece 4 on the inner wall of diaphragm wall 1 and concrete slab 2 finally can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a back cover construction structures based on it is more to flow groundwater, includes fixed diaphragm wall (1), concrete slab (2), spud pile (3), bracing piece (4), discharge pipe (5), blast pipe (6) and exhaust hole (7) that set up in deep basal pit, its characterized in that: the concrete wall is characterized in that the continuous wall (1) is enclosed to form a space, the concrete slab (2) is fixedly arranged at the inner bottom of the continuous wall (1), a plurality of support rods (4) are fixedly arranged at the top of the concrete slab (2), the top ends of the support rods (4) are obliquely arranged on the inner wall of the continuous wall (1), the bottom ends of the support rods (4) are obliquely arranged at the top of the concrete slab (2), a plurality of fixing piles (3) are fixedly arranged inside the concrete slab (2), a gas collecting pipe (5) is fixedly arranged inside the fixing piles (3), a plurality of exhaust holes (7) are formed in the periphery of the fixing piles (3), the exhaust pipes (6) are fixedly arranged inside the exhaust holes (7), and the exhaust pipes (6) are communicated with the gas collecting pipe (5).

2. The back cover construction structure based on more flowing underground water according to claim 1, characterized in that: one side of the outer surface of the exhaust hole (7) is covered with a waterproof breathable layer (8).

3. The back cover construction structure based on more flowing underground water according to claim 1, characterized in that: the exhaust hole (7) is in a horn shape.

4. The back cover construction structure based on more flowing underground water according to claim 1, characterized in that: and a waterproof layer (9) is fixedly arranged at the joint of the concrete slab (2) and the continuous wall (1).

5. The back cover construction structure based on more flowing underground water according to claim 1, characterized in that: the gas collecting pipe is characterized in that a solid rod (10) is fixedly arranged inside the gas collecting pipe (5), external threads (11) are arranged outside the solid rod (10), and filling materials (12) are arranged between the solid rod (10) and the inner wall of the gas collecting pipe (5).

6. The back cover construction structure based on more flowing underground water according to claim 1, characterized in that: and a support frame (13) is fixedly arranged at the bottom of the continuous wall (1).

7. The back cover construction structure based on more flowing underground water according to claim 1, characterized in that: the bottom of the fixed pile (3) is fixedly connected with the bottom of the air collecting pipe (5), and the top of the fixed pile is provided with an opening.