Foundation pit supporting structure with reinforcing structure

Abstract

The foundation pit supporting structure with the reinforcing structure comprises a bottom plate, a water stopping structure is installed at the top end of the bottom plate, a connecting structure is arranged in the water stopping structure, the connecting structure comprises an anchor rod, anti-skid lines, a pouring layer, a base plate, a fixing ring and a fixing bolt, the anchor rod penetrates through the interior of the water stopping structure, and the anti-skid lines are arranged on the pouring layer. A reinforcing structure is installed on one side of the water stop structure, and pointed cones are welded to the bottom end of the bottom plate. The hole is drilled in the soil at the position corresponding to the through hole, the anchor rod is inserted into the hole, the gap between the anchor rod and the soil can be filled with the pouring layer, and the anti-skid lines on the outer side wall of the anchor rod and the pouring layer can jointly increase the tightness of connection between the anchor rod and the soil; the base plate is arranged at the end, exposed out of the second baffle, of the anchor rod in a sleeving mode, the fixing ring is fixed to the outer side of the anchor rod through the fixing bolt, the first baffle and the second baffle can be fixed and pulled, and therefore the purpose that the foundation pit supporting structure can prevent supporting instability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, especially a foundation pit support structure with reinforcing structure. BACKGROUND

[0002] The foundation pit support structure is a structure system of supporting, reinforcing and protecting measures for protecting the safety of underground main structure construction and the surrounding environment of the foundation pit, and is used for the side wall and surrounding environment of the foundation pit. The main function of the foundation pit support structure is to bear the lateral soil pressure and water pressure during the construction stage of the foundation pit, prevent the collapse of the foundation pit, and ensure the safety of construction and the surrounding environment. It is usually composed of various structures and systems, which together form a complete support system.

[0003] Therefore, the Chinese patent number CN208917848U discloses a foundation pit support structure in the field of foundation pit support. The technical solution is as follows: a support plate is attached to the side wall of the foundation pit; a support pile is used to support the support plate and is wedged into the bottom of the foundation pit; and a connecting assembly is used to connect the support plate and the support pile together. A plurality of support piles are arranged on the support plate to support the support plate, and a plurality of connecting assemblies are arranged on the support plate to connect the support plate and the plurality of support piles together. The support pile is a prefabricated pile and is vertically wedged into the bottom of the foundation pit. The utility model solves the problem that when the bottom of the foundation pit is not reinforced with concrete, the support force of the foundation pit support structure on the side wall of the foundation pit is relatively small, and when the pressure on the side wall of the foundation pit is large, the foundation pit support structure may not have good support effect, thereby making the foundation pit more stable.

[0004] The foundation pit support structure of the present application can basically meet the needs of users, but there are still some problems, which are as follows:

[0005] 1. The foundation pit support structure cannot prevent the instability of the support. When the foundation pit is supported, the support plate is used to support the inner wall of the foundation pit, and there is not enough connection between the support plate and the soil. Under the action of soil pressure, the support structure is prone to deformation or instability, especially when continuous precipitation, pipeline leakage and other adverse conditions occur, the self-weight of the soil increases, the shear strength of the soil decreases, and the support structure will bear more pressure, thereby increasing the risk of instability.

[0006] 2. The foundation pit support structure cannot prevent the infiltration of underground water. When the ground is excavated, underground water may seep out in some areas, which will increase the pressure on the side wall of the foundation pit and may cause the support structure to be unstable, thereby causing safety accidents. The support plate is used to block the installation of the foundation pit support structure, and the underground water cannot be blocked at the connection and gap, which will increase the difficulty of installation and make it difficult to avoid the collapse of the soil wall after the water seeps in. INVENTION CONTENTS

[0007] The utility model discloses a base pit support structure with reinforcing structure is used to solve the defect that the current base pit support structure is difficult to prevent support instability and difficult to prevent groundwater infiltration.

[0008] In order to solve above-mentioned technical problem, the utility model provides the following technical scheme: a base pit support structure with reinforcing structure, including bottom plate,

[0009] The top of bottom plate is installed with water stop structure, the inside of water stop structure is provided with connecting structure, connecting structure includes anchor rod, antiskid line, pouring layer, backing plate, fixed ring and fixed bolt, anchor rod is penetrated in the inside of water stop structure,

[0010] The outside of anchor rod is provided with pouring layer, and the pouring layer is welded at one end of the water stop structure, and the outside of one end of the anchor rod is provided with a fixed ring.

[0011] One side of water stop structure is installed with reinforcing structure, and the bottom end of the bottom plate is welded with a sharp cone.

[0012] In use, first, the position to be installed is determined according to the marking of the construction site, and the first baffle is hoisted to the installation position by a crane or other machinery for pile insertion, when the first baffle is installed, the second baffle is hoisted in the same way, the buckle of the second baffle is aligned with the slot of the first baffle, and the second baffle is inserted into the first baffle, after the installation of the first baffle and the second baffle is completed, the soil inside is cleaned out, the foundation pit is excavated, the bottom plate is laid on the bottom surface, the sharp cone is inserted into the ground during laying to fix the bottom plate, a hole is drilled at the position of the through hole, the anchor rod is inserted into the hole, and the gap between the hole and the anchor rod is poured with concrete to form a pouring layer, the backing plate is installed at one end of the anchor rod exposed and is fixed by the fixed ring and the fixed bolt, when the anchor rod is installed, the I-beam is fixed on the connecting plate by the connecting bolt, and the reinforcing plate is welded to fix and connect the first baffle and the bottom plate, so that the stability of the first baffle and the second baffle structure is ensured.

[0013] Further, the water stop structure includes a first baffle, a second baffle, a corrugated groove and a through hole, the first baffle is installed at the top of the bottom plate, the second baffle is connected to one side of the first baffle, the first baffle and the second baffle are provided with corrugated grooves at one end, and the second baffle is provided with a through hole at one end, which can support the sidewall of the foundation pit, prevent the collapse of the pit wall, and ensure the smooth progress of the construction work in the foundation pit.

[0014] Further, the first baffle is provided with a slot on both sides, the second baffle is provided with a buckle on both sides, and the first baffle and the second baffle are connected by clamping, which can prevent groundwater from seeping from the indirect gap.

[0015] Furthermore, the outer side of the anchor rod is integrally formed with anti-skid grooves, and the shape of the anti-skid grooves is spiral, which can increase the tightness of the connection between the anchor rod and the soil.

[0016] Furthermore, fixing bolts are installed on both sides of the fixing ring. The fixing bolts are symmetrically distributed on both sides of the fixing ring, which is convenient for fixing the anchor rod and preventing the second baffle and the anchor rod from separating from each other.

[0017] Furthermore, the reinforcement structure includes a connecting plate, an I-beam, connecting bolts and a reinforcing plate. The connecting plate is welded to one end of the first baffle, and an I-beam is installed at one end of the connecting plate. The reinforcing plate is at the top of the base plate, which can increase the bearing capacity and bending resistance of the structure, and can effectively disperse the soil pressure around the foundation pit to a larger range, thereby improving the overall stability of the foundation pit.

[0018] Furthermore, connecting bolts are passed through the interior of the I-beam, and the connecting bolts are distributed at equal intervals inside the I-beam, which facilitates the fixing and disassembly of the I-beam.

[0019] The utility model provides a foundation pit support structure with a reinforcement structure, which has the following advantages: the foundation pit support structure with a reinforcement structure adopts a first baffle and a second baffle to be connected at the top of the bottom plate, which can support the side walls of the foundation pit and prevent the pit wall from collapsing, ensure the smooth progress of construction work in the foundation pit, and avoid groundwater seeping into the foundation pit to affect the construction of workers. The connection structure is used to pull the first baffle and the second baffle to further increase the stability and safety of the foundation pit support. The reinforcement structure can increase the bearing capacity and bending resistance, and can effectively disperse the soil pressure around the foundation pit to a larger range, thereby improving the overall stability of the foundation pit.

[0020] By drilling a hole in the soil at the corresponding position of the through hole and inserting an anchor rod, the casting layer can fill the gap between the anchor rod and the soil. The anti-slip groove on the outer wall of the anchor rod can work together with the casting layer to increase the tightness of the connection between the anchor rod and the soil. A pad is inserted into the end of the anchor rod exposed to the outside of the second baffle, and the fixing ring is fixed to the outside of the anchor rod with a fixing bolt. The first baffle and the second baffle can be fixed and pulled, so as to achieve the purpose of preventing the foundation pit support structure from becoming unstable.

[0021] By setting the first baffle and the second baffle at the top of the bottom plate, the first baffle and the second baffle are clamped with each other to support the side wall of the foundation pit. The connections between the first baffle and the second baffle are staggered to prevent groundwater from seeping in from indirect gaps. Multiple groups of corrugated grooves are set at one end of the first baffle and the second baffle to increase the stability of the first baffle and the second baffle structure, thereby achieving the purpose of the foundation pit support structure preventing groundwater from seeping in. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the three-dimensional explosion structure of the utility model;

[0023] Figure 2 This is a front view structural diagram of the utility model;

[0024] Figure 3 This is a schematic diagram of the top structure of the utility model;

[0025] Figure 4 It is a side cross-sectional structural schematic diagram of the utility model;

[0026] Figure 5 For the utility model Figure 3 Schematic diagram of the enlarged structure of the local section at point A in the middle.

[0027] Explanation of the reference numerals in the figure: 1. Base plate; 2. Water-stop structure; 201. First baffle; 202. Second baffle; 203. Corrugated groove; 204. Through hole; 3. Connection structure; 301. Anchor rod; 302. Anti-slip groove; 303. Casting layer; 304. Pad; 305. Fixing ring; 306. Fixing bolt; 4. Reinforcement structure; 401. Connecting plate; 402. I-beam; 403. Connecting bolt; 404. Reinforcement plate; 5. Cone. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] See also Figures 1-5 The utility model provides an embodiment: a foundation pit support structure with a reinforcement structure, including a bottom plate 1.

[0030] A water-stop structure 2 is installed at the top of the base plate 1, and the water-stop structure 2 includes a first baffle 201, a second baffle 202, a corrugated groove 203 and a through hole 204. The first baffle 201 is installed at the top of the base plate 1, and the second baffle 202 is clamped on one side of the first baffle 201. Both sides of the first baffle 201 are provided with a clamping groove, and both sides of the second baffle 202 are provided with a buckle. The first baffle 201 and the second baffle 202 are connected by a clamping connection, and one end of the first baffle 201 and the second baffle 202 are provided with a corrugated groove 203, and one end of the second baffle 202 is provided with a through hole 204.

[0031] Refer to the attachedFigures 1-5 As shown, the first baffle 201 and the second baffle 202 are arranged at the top end of the base plate 1, and the first baffle 201 and the second baffle 202 are clamped with each other, so as to support the sidewall of the foundation pit, prevent the sidewall from collapsing, and ensure the smooth construction in the foundation pit. The connection between the first baffle 201 and the second baffle 202 is staggered, so as to avoid the underground water from seeping from the indirect gap and affecting the construction of the workers. A plurality of groups of corrugated grooves 203 are arranged at one end of the first baffle 201 and the second baffle 202. The continuous wave shape of the corrugated grooves 203 can increase the stability of the structure of the first baffle 201 and the second baffle 202. The concave-convex structure makes the first baffle 201 and the second baffle 202 not easy to deform when bearing pressure, so as to maintain a certain shape and provide stable support. The through hole 204 of the second baffle 202 facilitates the connection and installation of the anchor rod 301 and facilitates the construction.

[0032] The connection structure 3 is arranged in the water stop structure 2. The connection structure 3 comprises an anchor rod 301, an anti-skid pattern 302, a pouring layer 303, a pad plate 304, a fixing ring 305 and a fixing bolt 306. The anchor rod 301 penetrates the inside of the water stop structure 2. The outer side of the anchor rod 301 is integrally formed with the anti-skid pattern 302. The shape of the anti-skid pattern 302 is spiral. The outer side of the anchor rod 301 is provided with the pouring layer 303. The pouring layer 303 is welded at one end of the water stop structure 2. The outer side of one end of the anchor rod 301 is provided with the fixing ring 305. The fixing ring 305 is provided with the fixing bolt 306 on both sides. The fixing bolt 306 is symmetrically distributed on both sides of the fixing ring 305.

[0033] Referring to the drawings Figures 1-5 As shown, the anchor rod 301 is inserted into the soil at the position corresponding to the through hole 204. The pouring layer 303 can fill the gap between the anchor rod 301 and the soil. The anti-skid pattern 302 on the outer side wall of the anchor rod 301 can increase the tightness of the connection between the anchor rod 301 and the soil together with the pouring layer 303. The pad plate 304 is sleeved on the end of the anchor rod 301 exposed outside the second baffle 202. The fixing ring 305 is fixed on the outer side of the anchor rod 301 by the fixing bolt 306. When the soil exerts pressure on the first baffle 201 and the second baffle 202 from the side, the first baffle 201 and the second baffle 202 can be fixed and pulled, so as to ensure the stability of the first baffle 201 and the second baffle 202, thereby further increasing the stability and safety of the foundation pit support.

[0034] The reinforcing structure 4 is arranged on one side of the water stop structure 2, and the reinforcing structure 4 comprises a connecting plate 401, an I-shaped steel 402, connecting bolts 403 and a reinforcing plate 404; the connecting plate 401 is welded at one end of the first baffle 201; the I-shaped steel 402 is arranged at one end of the connecting plate 401; the connecting bolts 403 are arranged in the I-shaped steel 402 in equal intervals; and the reinforcing plate 404 is arranged at the top end of the bottom plate 1, and the bottom end of the bottom plate 1 is welded with a sharp cone 5.

[0035] With reference to the accompanying drawings Figures 1-4 As shown in the drawings, the connecting plate 401 is welded at one end of the first baffle 201, the I-shaped steel 402 can be fixed by the connecting bolts 403, the I-shaped steel 402 has high bearing capacity and bending resistance, can effectively disperse the earth pressure around the foundation pit to a larger range, thereby improving the overall stability of the foundation pit, and can further increase the stability of the connection between the groups of first baffles 201; the first baffle 201 and the bottom plate 1 are welded and connected by the reinforcing plate 404, so that the displacement of the first baffle 201 and the second baffle 202 is avoided; and the I-shaped steel 402 and the reinforcing plate 404 have certain anti-seismic performance, can effectively absorb and disperse the seismic energy when the earthquake and other natural disasters occur, reduce the influence of the earthquake on the foundation pit engineering, and ensure the safety and stability of the foundation pit engineering.

[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A foundation pit support structure with a reinforcement structure, comprising a bottom plate (1); Its characteristics are: A water-stopping structure (2) is installed at the top of the base plate (1), and a connecting structure (3) is provided inside the water-stopping structure (2). The connecting structure (3) includes an anchor rod (301), an anti-slip pattern (302), a casting layer (303), a backing plate (304), a fixing ring (305) and a fixing bolt (306), and the anchor rod (301) runs through the inside of the water-stopping structure (2); A casting layer (303) is provided on the outside of the anchor rod (301), and the casting layer (303) is welded to one end of the water-stop structure (2). A fixing ring (305) is installed on the outside of one end of the anchor rod (301); A reinforcement structure (4) is installed on one side of the water-stop structure (2), and a pointed cone (5) is welded to the bottom end of the bottom plate (1).

2. The foundation pit supporting structure with a reinforcement structure according to claim 1, characterized in that: The water-stop structure (2) comprises a first baffle (201), a second baffle (202), a corrugated groove (203) and a through hole (204); the first baffle (201) is mounted on the top of the base plate (1); the second baffle (202) is clamped on one side of the first baffle (201); one end of each of the first baffle (201) and the second baffle (202) is provided with a corrugated groove (203); and one end of the second baffle (202) is provided with a through hole (204).

3. The foundation pit supporting structure with a reinforcement structure according to claim 2, characterized in that: Both sides of the first baffle (201) are provided with card slots, and both sides of the second baffle (202) are provided with buckles, and the first baffle (201) and the second baffle (202) are connected in a card-engaging manner.

4. The foundation pit supporting structure with a reinforcement structure according to claim 1, characterized in that: The outer side of the anchor rod (301) is integrally formed with an anti-skid pattern (302), and the anti-skid pattern (302) is spiral in shape.

5. The foundation pit supporting structure with a reinforcement structure according to claim 1, characterized in that: Fixing bolts (306) are installed on both sides of the fixing ring (305), and the fixing bolts (306) are symmetrically distributed on both sides of the fixing ring (305).

6. The foundation pit supporting structure with a reinforcement structure according to claim 1, characterized in that: The reinforcement structure (4) comprises a connecting plate (401), an I-beam (402), connecting bolts (403) and a reinforcing plate (404); the connecting plate (401) is welded to one end of the first baffle (201); the I-beam (402) is installed at one end of the connecting plate (401); and the reinforcing plate (404) is at the top end of the bottom plate (1).

7. The foundation pit supporting structure with a reinforcement structure according to claim 6, characterized in that: Connecting bolts (403) pass through the interior of the I-beam (402), and the connecting bolts (403) are distributed at equal intervals inside the I-beam (402).

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