Protective structure for foundation pit slope

Abstract

The utility model discloses a protection structure for a foundation pit slope, which relates to the field and comprises a first protection component, a slope body is connected to one side of the first protection component, a second protection component is arranged on one side of the first protection component, and the first protection component comprises a first reinforced concrete support and a second reinforced concrete support. The first reinforced concrete supports are arranged on one side of the slope body, a plurality of second reinforced concrete supports and a plurality of third reinforced concrete supports are arranged between the first reinforced concrete supports in a staggered mode, the phenomena of softening and subsurface erosion of the foundation pit slope can be avoided in the protection process of the foundation pit slope, and therefore the engineering safety is prevented from being affected. Meanwhile, the slope of the foundation pit can be further prevented from sliding, and rainwater is prevented from corroding and softening the slope; and underground water and rainwater at multiple positions can be pumped and drained, the dry environment of the foundation pit slope is guaranteed, and construction safety and construction quality are better guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foundation pit slope protection, specifically relates to a protection structure for foundation pit slope. BACKGROUND

[0002] The foundation pit slope protection structure is the supporting, reinforcing and protecting measure used to the foundation pit slope and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of foundation pit. The prior art scheme still has obvious deficiency in the aspect of coping with the erosion and softening problem of groundwater and rainwater to the foundation pit slope. The structure will face the risk of slope sliding caused by water seepage into the foundation pit under the condition of heavy rain or groundwater level rising, and the existing slope structure lacks systematic drainage measures, cannot effectively design the water interception and drainage system, and will damage the foundation strength under the long-term condition of bad weather, cause the foundation pit instability and bring great difficulty to construction. Therefore, the existing scheme needs to be further optimized and improved. CONTENT OF THE UTILITY MODEL

[0003] In view of the problems in the prior art, the utility model provides a protection structure for foundation pit slope to overcome the above technical problems existing in the prior art.

[0004] Therefore, the utility model adopts the following specific technical scheme:

[0005] A protection structure for foundation pit slope, comprising a first protection assembly, one side of the first protection assembly is connected with a slope body, and one side of the first protection assembly is provided with a second protection assembly.

[0006] The first protection assembly comprises a first reinforced concrete support, the first reinforced concrete support is arranged on one side of the slope body, a plurality of second reinforced concrete supports and a plurality of third reinforced concrete supports are arranged in the first reinforced concrete support, and the plurality of second reinforced concrete supports and the plurality of third reinforced concrete supports are arranged alternately.

[0007] Further, one end of the first reinforced concrete support is provided with an arched protection block, the junction between the second reinforced concrete support and the third reinforced concrete support is fixedly connected through a mounting plate and a first bolt, and the arched protection block forms a plurality of filling grooves with the first reinforced concrete support, the second reinforced concrete support and the third reinforced concrete support.

[0008] Further, the third reinforced concrete support and one side of the first reinforced concrete support are provided with a second bolt, and the second bolt penetrates the third reinforced concrete support and the first reinforced concrete support.

[0009] A connecting column is connected to the second bolt, and the connecting column is embedded on the slope body.

[0010] Further, the first protection assembly further comprises a filling layer, the filling layer is arranged in the filling groove, and the arched protection block is provided with a waterproof film on one side of the first reinforced concrete support, the second reinforced concrete support and the third reinforced concrete support.

[0011] Further, the filling layer is composed of a gravel layer, a sand gravel layer and a silt layer, and metal isolation nets are arranged between the gravel layer, the sand gravel layer and the silt layer.

[0012] Further, the second protection assembly comprises a water intercepting groove, the water intercepting groove is arranged at the bottom end of the first protection assembly, a first filter screen is arranged in the water intercepting groove, the first filter screen is matched with the water intercepting groove, and a collecting pipe is arranged on one side of the water intercepting groove.

[0013] Further, the collecting pipe is connected with a first collecting cover and a conveying pipe, the conveying pipe is connected with a second collecting cover, an exhaust pipe is connected to the collecting pipe, the first collecting cover and the second collecting cover are both provided with a second filter screen on one side, and the first collecting cover and the second collecting cover are both provided with a mounting frame in the inside, and a telescopic rod is arranged on one side of the mounting frame.

[0014] Further, an adjusting spring is sleeved on the telescopic rod, an adjusting block is arranged at one end of the telescopic rod, the adjusting block is matched with the first collecting cover and the second collecting cover, one end of the adjusting spring is fixedly connected with the adjusting block, and the other end of the adjusting spring is connected with the mounting frame.

[0015] The first protection assembly and the second protection assembly can avoid softening and hidden corrosion of the foundation pit slope during protection, thereby avoiding affecting the engineering safety, and can further avoid the sliding of the foundation pit slope and the erosion and softening of rainwater, can also exhaust underground water and rainwater at multiple positions, ensure the dry environment of the foundation pit slope, and better guarantee the construction safety and construction quality. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0017] Figure 1 is a structural schematic view of a protection structure for a foundation pit slope according to the embodiment of the present application;

[0018] Figure 2 is a first protection assembly structure diagram of a protection structure for a foundation pit slope according to an embodiment of the present application Figure One ;

[0019] Figure 3 is a first protection assembly structure diagram of a protection structure for a foundation pit slope according to an embodiment of the present application Figure Two ;

[0020] Figure 4 is a first protection assembly structure diagram of a protection structure for a foundation pit slope according to an embodiment of the present application Figure Three ;

[0021] Figure 5 is a first protection assembly structure diagram of a protection structure for a foundation pit slope according to an embodiment of the present application Figure Four ;

[0022] Figure 6 is a second protection assembly structure diagram of a protection structure for a foundation pit slope according to an embodiment of the present application Figure One ;

[0023] Figure 7 is a second protection assembly structure diagram of a protection structure for a foundation pit slope according to an embodiment of the present application Figure Two ;

[0024] Figure 8 is a second protection assembly structure diagram of a protection structure for a foundation pit slope according to an embodiment of the present application Figure Three .

[0025] In the figure:

[0026] 1, first protection assembly; 101, first reinforced concrete support; 102, second reinforced concrete support; 103, third reinforced concrete support; 104, arched protection block; 105, mounting plate; 106, first bolt; 107, second bolt; 108, connecting column; 109, filling layer; 110, waterproof membrane; 111, metal isolation net; 2, slope body; 3, second protection assembly; 301, water interception groove; 302, first filter screen; 303, first collection cover; 304, conveying pipe; 305, second collection cover; 306, pumping pipe; 307, second filter screen; 308, mounting frame; 309, telescopic rod; 310, adjusting spring; 311, adjusting block; 312, collection pipe; 4, filling groove. DETAILED DESCRIPTION

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] According to an embodiment of the present invention, a protective structure for foundation pit slopes is provided.

[0029] like Figures 1-5 As shown, a protective structure for a foundation pit slope according to an embodiment of the present invention includes a first protective component 1, which is used to prevent the foundation pit slope from softening and erosion. One side of the first protective component 1 is connected to a slope body 2, and a second protective component 3 is provided on one side of the first protective component 1, which is used to pump out groundwater and rainwater in the foundation pit slope.

[0030] The first protective component 1 includes two first reinforced concrete supports 101. The first reinforced concrete supports 101 are set on one side of the slope 2. The first reinforced concrete supports 101 are equipped with four second reinforced concrete supports 102 and nine third reinforced concrete supports 103. The four second reinforced concrete supports 102 are arranged horizontally and the nine third reinforced concrete supports 103 are arranged vertically.

[0031] An arched protective block 104 is provided at one end of the first reinforced concrete support 101 to disperse pressure, thereby better ensuring the protection effect and stability of the foundation pit slope. An installation plate 105 and a first bolt 106 are symmetrically embedded at the junction between the second reinforced concrete support 102 and the third reinforced concrete support 103. The arched protective block 104 forms multiple filling grooves 4 with the first reinforced concrete support 101, the second reinforced concrete support 102, and the third reinforced concrete support 103. A second bolt 107 is provided on one side of the third reinforced concrete support 103 and the first reinforced concrete support 101. The second bolt 107 passes through the third reinforced concrete support 103 and the first reinforced concrete support 101.

[0032] The second bolt 107 is provided with a connecting post 108, and the connecting post 108 is embedded in the slope 2.

[0033] The first protection assembly 1 further comprises a filling layer 109, the filling layer 109 is arranged in the filling groove 4, the arched protection block 104 is provided with a waterproof film 110 on one side of the first reinforced concrete support 101, the second reinforced concrete support 102 and the third reinforced concrete support 103, the filling layer 109 is composed of a gravel layer, a sand gravel layer and a silt layer, and a metal isolation net 111 is arranged between the gravel layer, the sand gravel layer and the silt layer.

[0034] In actual application, the firmness and stability of the slope structure can be ensured through mutual cooperation of the first reinforced concrete support 101, the second reinforced concrete support 102, the third reinforced concrete support 103, the arched protection block 104, the mounting plate 105 and the first bolt 106, and mutual cooperation of the second bolt 107 and the connecting column 108, water penetration of the foundation pit slope can be effectively prevented through mutual cooperation of the filling layer 109, the metal isolation net 111 and the waterproof film 110, and the interlayer stability is enhanced, the water seepage risk is reduced, and the foundation pit softening and collapse are prevented.

[0035] As shown in Figures 6-8 The second protection assembly 3 comprises a water intercepting groove 301, the water intercepting groove 301 is arranged in an annular structure, the water intercepting groove 301 is arranged at the bottom end of the first protection assembly 1, a first filter screen 302 is arranged in the water intercepting groove 301, the first filter screen 302 is matched with the water intercepting groove 301, a collecting pipe 312 is arranged on one side of the water intercepting groove 301, a first collecting cover 303 and a conveying pipe 304 are connected to the collecting pipe 312, the conveying pipe 304 is used for pumping and discharging the underground water and rainwater of the dewatering well in the foundation pit in actual use, a second collecting cover 305 is connected to the conveying pipe 304, a pumping and discharging pipe 306 is connected to the collecting pipe 312, a second filter screen 307 is arranged on one side of the first collecting cover 303 and the second collecting cover 305, a mounting frame 308 is arranged in the first collecting cover 303 and the second collecting cover 305, a telescopic rod 309 is arranged on one side of the mounting frame 308, an adjusting spring 310 is sleeved on the telescopic rod 309, an adjusting block 311 is arranged at one end of the telescopic rod 309, the adjusting block 311 is matched with the first collecting cover 303 and the second collecting cover 305, one end of the adjusting spring 310 is connected to the mounting frame 308, the other end of the adjusting spring 310 is connected to the adjusting block 311, and the two adjusting blocks 311 block the first collecting cover 303 and the second collecting cover 305.

[0036] In actual application, when it is needed to pump out the underground water and rain water in the foundation pit and intercept the rain water flowing down the slope, the external delivery pump is connected with the pumping pipe 306, then the underground water and rain water in the foundation pit and the dewatering well are sucked into the collecting pipe 312 through the first collecting cover 303 and the second collecting cover 305 by the suction force generated by the external delivery pump, in the process of sucking, the first collecting cover 303 and the second collecting cover 305 in the sealed state are opened due to the negative pressure in the collecting pipe 312, that is, the telescopic rod 309 and the adjusting spring 310 and the adjusting block 311 in the contracted state are stretched into the collecting pipe 312, so that the underground water and rain water enter the collecting pipe 312, in the process of entering, the underground water and rain water are filtered by the second filter screen 307, so as to avoid damage to the external delivery pump, when the external delivery pump does not work, the adjusting block 311 is reset by the adjusting spring 310, the rain water flowing down the slope can be intercepted by the cooperation of the water intercepting groove 301 and the first filter screen 302, then the pumped-out and intercepted underground water and rain water are delivered to the water collecting well, so that the dry effect of the foundation pit can be ensured, and the protection effect of the foundation pit can be better ensured.

[0037] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail below.

[0038] By means of the above technical scheme of the utility model, through the cooperation of the first reinforced concrete support 101, the second reinforced concrete support 102, the third reinforced concrete support 103, the arched protection block 104, the mounting plate 105 and the first bolt 106, and through the cooperation of the second bolt 107 and the connecting column 108, the firmness and stability of the slope structure can be ensured, through the cooperation of the filling layer 109, the metal isolation net 111 and the waterproof film 110, the water permeation of the foundation pit slope can be effectively prevented, and the interlayer stability is enhanced, the water seepage risk is reduced, and the softening and collapse of the foundation pit are prevented.

[0039] When the groundwater and rainwater in the foundation pit need to be pumped out and the rainwater flowing down the slope is intercepted, the groundwater and rainwater in the foundation pit and the dewatering well are sucked into the collecting pipe 312 through the first collecting cover 303 and the second collecting cover 305 by the suction of the external delivery pump, and in the process of sucking, the first collecting cover 303 and the second collecting cover 305 in the sealed state are opened due to the negative pressure in the collecting pipe 312, that is, the telescopic rod 309 and the adjusting spring 310 and the adjusting block 311 in the contracted state are stretched into the collecting pipe 312, so that the groundwater and rainwater enter the collecting pipe 312, and in the process of entering, the groundwater and rainwater are filtered by the second filter screen 307, so as to avoid damage to the external delivery pump, and the rainwater flowing down the slope can be intercepted by the cooperation of the water interception groove 301 and the first filter screen 302, and then the pumped-out and intercepted groundwater and rainwater are delivered to the water collecting well, so that the dry effect of the foundation pit can be ensured, and the protection effect of the foundation pit can be better ensured.

[0040] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A protective structure for a foundation pit slope, characterized by: Including first guard assembly (1), one side of first guard assembly (1) is connected with slope (2), one side of first guard assembly (1) is provided with second guard assembly (3); The first guard assembly (1) includes a first reinforced concrete support (101), the first reinforced concrete support (101) is arranged on one side of the slope (2), a plurality of second reinforced concrete supports (102) and a plurality of third reinforced concrete supports (103) are arranged inside the first reinforced concrete support (101), and the plurality of second reinforced concrete supports (102) and the plurality of third reinforced concrete supports (103) are arranged alternately.

2. The protection structure for foundation pit slope according to claim 1, characterized in that: One end of the first reinforced concrete support (101) is provided with an arched protection block (104), the intersection between the second reinforced concrete support (102) and the third reinforced concrete support (103) is fixedly connected through a mounting plate (105) and a first bolt (106), and the arched protection block (104) forms a plurality of filling grooves (4) with the first reinforced concrete support (101), the second reinforced concrete support (102) and the third reinforced concrete support (103).

3. The retaining structure for a foundation pit slope according to claim 2, characterized in that: The third reinforced concrete support (103) is provided with a second bolt (107) on one side of the first reinforced concrete support (101), and the second bolt (107) penetrates the third reinforced concrete support (103) and the first reinforced concrete support (101). The second bolt (107) is connected with a connecting column (108), and the connecting column (108) is embedded on the slope (2).

4. The retaining structure for a foundation pit slope according to claim 3, characterized in that: The first guard assembly (1) further includes a filling layer (109), the filling layer (109) is arranged in the filling groove (4), and the arched protection block (104) is provided with a waterproof film (110) on one side of the first reinforced concrete support (101), the second reinforced concrete support (102) and the third reinforced concrete support (103).

5. The retaining structure for a foundation pit slope according to claim 4, characterized in that: The filling layer (109) is composed of a gravel layer, a sand gravel layer and a silt layer, and a metal isolation net (111) is arranged between the gravel layer, the sand gravel layer and the silt layer.

6. The retaining structure for a foundation pit slope according to claim 2, characterized in that: The second guard assembly (3) includes a water intercepting tank (301), the water intercepting tank (301) is arranged at the bottom end of the first guard assembly (1), the water intercepting tank (301) is provided with a first filter screen (302), and the first filter screen (302) is matched with the water intercepting tank (301), and the water intercepting tank (301) is provided with a collecting pipe (312) on one side.

7. The retaining structure for a foundation pit slope according to claim 6, characterized in that: The collecting pipe (312) is connected with a first collecting cover (303) and a conveying pipe (304), the conveying pipe (304) is connected with a second collecting cover (305), the collecting pipe (312) is connected with a pumping pipe (306), the first collecting cover (303) and the second collecting cover (305) are provided with a second filter screen (307) on one side, the first collecting cover (303) and the second collecting cover (305) are provided with a mounting frame (308) in the inside, and the mounting frame (308) is provided with a telescopic rod (309) on one side.

8. The retaining structure for a foundation pit slope according to claim 7, characterized in that: A adjusting spring (310) is sleeved on the telescopic rod (309), one end of the telescopic rod (309) is provided with an adjusting block (311), the adjusting block (311) is matched with the first collecting cover (303) and the second collecting cover (305), one end of the adjusting spring (310) is fixedly connected with the adjusting block (311), and the other end of the adjusting spring (310) is connected with the mounting frame (308).

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