Anchoring head and side wall integrated construction structure and waterproof construction method thereof

Abstract

The invention relates to the technical field of building waterproof facilities, in particular to a side wall integrated construction structure and a waterproof construction method thereof. A main body structure is connected with an enclosure structure through an embedded steel bar connector, and a cement-based permeable crystallization type waterproof coating layer is arranged between the enclosure structure and the main body structure; anchor cable heads of the anchor cable assemblies are fixed to the inner side face of the enclosure structure, anchor rods of the anchor cable assemblies penetrate out to the outer side of the enclosure structure, the anchor cable heads are provided with concrete inclined anchor supports and anchor sealing tables, reinforcing steel bars in the anchor sealing tables are subjected to densification treatment, reinforcing steel bar connectors are reserved, and the reinforcing steel bar connectors of the anchor cable heads are subjected to densification treatment. And water swelling rubber is arranged at the joint. Compared with a traditional foundation pit supporting pile and anchor cable section waterproof structure, the risk of foundation pit water leakage hazards is reduced, and the space utilization rate of a foundation pit is increased.

Description

Technical Field

[0001] The invention relates to the technical field of building waterproof facilities, and in particular to an integrated construction structure of an anchor head and a side wall and a waterproof construction method thereof. Background Art

[0002] Pile-anchor support is a foundation pit support system developed on the basis of rock anchor theory research. It has clear force, convenient construction, no interference with the excavation of the foundation pit, effectively shortening the construction period and reducing costs. The pile-anchor support system has become a widely used support method in foundation pit support projects due to its safety and economic characteristics. The traditional pile-anchor support system in foundation pit projects usually requires the installation of an outer wall protection layer, which increases the cost, reduces the space utilization rate of the foundation pit, increases the width of the foundation pit excavation, and the force on the pedestal is often large, with the risk of damage.

[0003] To this end, the present application designs a side wall integrated construction structure and a waterproof construction method thereof to solve the above problems. Summary of the invention

[0004] In order to make up for the deficiencies in the prior art, the present invention provides a side wall integrated construction structure and a waterproof construction method thereof.

[0005] An integrated construction structure of an anchor head and a side wall, comprising a main structure, a surrounding structure and an anchor cable assembly, characterized in that: The main structure is connected to the enclosure structure through a pre-buried steel bar connector. A cement-based penetrating crystalline waterproof coating layer is provided between the enclosure structure and the main structure. The anchor head of the anchor cable assembly is fixed to the inner side of the enclosure structure. The anchor rod of the anchor cable assembly passes through the outer side of the enclosure structure. The anchor head is provided with a concrete inclined anchor support and an anchor sealing platform embedded with a steel mesh. The steel bars inside the anchor sealing platform are densely reinforced and a steel bar connector is reserved. The steel bar connector of the anchor cable head part is densely reinforced and water-swelling rubber is provided at the interface.

[0006] Furthermore, in order to better implement the present invention, pre-buried bent steel bars are provided between the main structure and the enclosure structure.

[0007] Furthermore, in order to better realize the present invention, the main structure includes side walls and a base, a construction joint is left between the side walls and the base, a grouting duct connected to the construction joint is provided in the side wall, and a waterstop and water-swelling waterstop glue are provided on the construction joint.

[0008] Furthermore, in order to better realize the present invention, main structure steel bars are provided on the side walls, and retaining structure steel bars are provided on the retaining structure. The retaining structure steel bars and the main structure steel bars are connected by a steel bar connector.

[0009] Furthermore, in order to better realize the present invention, a fine stone concrete protective layer, a sprayed quick-setting rubber asphalt waterproof coating layer and a concrete cushion layer are sequentially arranged on the bottom of the base from top to bottom.

[0010] Furthermore, in order to better realize the present invention, the inclined anchor support is fixedly connected to the enclosure structure, and an inclined anchor support densely embedded reinforcement is provided in the inclined anchor support, and the sealing anchor platform is connected to the anchor rod.

[0011] Based on the above-mentioned integrated side wall construction structure, the waterproof construction method is: S1, preliminary preparation; S11, check whether the material and size of the anchor cable and side wall meet the design requirements to ensure the quality of construction materials and tools; S12, clean the construction area to ensure that there are no debris or dust that may affect the construction quality; S13, determine the type, specification and quantity of waterproof materials, and prepare the corresponding construction tools and equipment; S2, waterproof layer construction; S21, apply waterproof material on the contact surface between the side wall and the anchor cable inclined anchor bracket, ensuring that the application is even and without omissions; S22: For special parts, such as the holes for anchor cables to penetrate the wall, and the junctions between the inclined anchor bracket and the side wall, additional waterproof treatment is required, and waterproof sealants or waterproof plugging materials are used for filling and sealing; S23, after the waterproof layer is dry, conduct a quality inspection to ensure there are no bubbles or cracks; S3, anchor cable installation and waterproofing; S31, install the anchor cable according to the design requirements, and ensure that the position, angle, tension and other parameters of the anchor cable meet the design requirements; S32, install waterproof sleeves or waterproof gaskets at the holes where the anchor cables pass through the wall to prevent moisture from penetrating through the holes; S33, waterproof the joint between the anchor cable and the side wall again to ensure that there is no channel for water to penetrate at the joint; S4, follow-up inspection and maintenance; S41, after the construction is completed, the entire waterproofing system shall be inspected to ensure that there are no omissions or defects; S42. During use, the waterproofing system should be inspected and maintained regularly to detect and address potential problems in a timely manner.

[0012] The beneficial effects of the present invention are: Compared with the traditional foundation pit supporting piles and anchor cable segment waterproof structure, the present invention reduces the risk of foundation pit water leakage hazards and increases the utilization rate of the foundation pit space. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the integrated construction structure of the side wall of the present invention; Figure 2 For the present invention Figure 1 A partial enlarged view of point B; Figure 3 For the present invention Figure 1 A local enlarged view of point A; Figure 4 For the present invention Figure 1 A partial enlarged view of point C.

[0014] In the figure, 100-main structure; 110-side wall; 111-grouting conduit; 112-water-swelling waterstop; 113-construction joint; 114-waterstop; 120-base; 121-cement-based penetrating crystalline waterproof coating layer; 122-sprayed quick-setting rubber asphalt waterproof coating layer; 123-fine stone concrete protective layer; 124-concrete cushion; 200-enclosing structure; 210-cement mortar chamfer; 300-anchor rod; 310-anchor platform; 320-oblique anchor support; 321-oblique anchor support for increased reinforcement; 400-connecting components; 401-embedded bent steel bars; 402-steel connector; 403-enclosing structure steel bars; 404-main structure steel bars. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the accompanying drawings here can be arranged and designed in various different configurations.

[0016] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present invention.

[0017] Figure 1-Figure 4 This is a specific embodiment of the present invention, which is an integrated construction structure of the side wall of an open-cut underground structure. The main structure includes a side wall and a base, and a fine stone concrete protective layer, a sprayed quick-setting rubber asphalt waterproof coating layer, a non-woven fabric layer and a concrete cushion layer are sequentially arranged below the base.

[0018] The enclosure structure is directly connected to the main structure by means of pre-buried steel bar connectors, and a cement-based penetrating crystalline waterproof coating layer is provided between the enclosure structure and the main structure; The anchor heads of several anchor cable assemblies are fixed on the inner side of the enclosure structure, and the steel wire ropes of the anchor cable assemblies are passed through to the outer side of the enclosure structure. Concrete inclined anchor supports and anchor sealing platforms with embedded steel mesh are provided, the internal steel bars are densely processed, and steel bar connectors are reserved; The connecting components use different types of steel bar connectors, the anchor head part is optimized and encrypted, and water-swelling rubber is set at the interface.

[0019] The waterproof construction method of this embodiment is as follows: 1. Preliminary preparation Check whether the material, size, etc. of the anchor cables and side walls meet the design requirements to ensure the quality of construction materials and tools.

[0020] Clean the construction area to ensure that there are no debris, dust or other factors that may affect the construction quality.

[0021] Determine the type, specifications and quantity of waterproof materials, and prepare the corresponding construction tools and equipment.

[0022] 2. Waterproof layer construction Apply waterproof material on the contact surface between the side wall and the anchor cable anchor head, ensuring that the application is even and without omission. Waterproof materials can be waterproof coatings, waterproof membranes, etc., which are determined according to the actual project conditions and design requirements.

[0023] For special parts, such as the holes where anchor cables pass through the wall, the junctions between the anchor heads and the side walls, etc., additional waterproofing treatment is required. Waterproof sealants, waterproof plugging agents and other materials can be used for filling and sealing.

[0024] After ensuring that the waterproof layer is dry, conduct a quality inspection to ensure there are no defects such as bubbles and cracks.

[0025] 3. Anchor cable installation and waterproofing Install the anchor cable according to the design requirements, ensuring that parameters such as the position, angle and tension of the anchor cable meet the design requirements.

[0026] Install a waterproof sleeve or waterproof gasket at the hole where the anchor cable passes through the wall to prevent moisture from seeping in through the pores.

[0027] Waterproof the joint between the anchor cable anchor head and the side wall again to ensure that there is no channel for water to penetrate at the joint.

[0028] 4. Subsequent inspection and maintenance After the construction is completed, the entire waterproofing system is inspected to ensure there are no omissions and defects.

[0029] During use, the waterproofing system should be inspected and maintained regularly to detect and deal with potential problems in a timely manner.

[0030] 5. Notes During the construction process, safety operating procedures should be strictly observed to ensure the personal safety of construction workers.

[0031] The selection and use of waterproof materials should comply with relevant standards and regulations to ensure waterproof effect.

[0032] During the construction process, pay close attention to weather changes and avoid construction on rainy days or in environments with excessive humidity.

[0033] Through the above steps, the waterproof treatment of the integrated construction of the anchor head of the anchor cable and the side wall can be effectively achieved, ensuring the construction quality and service life of the project.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in the field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An anchor head and side wall integrated construction structure, comprising a main structure (100), a surrounding structure (200) and an anchor cable assembly, characterized in that: The main structure (100) is connected to the enclosure structure (200) via a pre-buried steel bar connector (402); a cement-based permeable crystalline waterproof coating layer (121) is provided between the enclosure structure (200) and the main structure (100); the anchor cable head of the anchor cable assembly is fixed to the inner side of the enclosure structure (200); the anchor rod (300) of the anchor cable assembly passes through the outer side of the enclosure structure (200); the anchor cable head is provided with a concrete inclined anchor support (320) and an anchor sealing platform (310) embedded with a steel mesh; the steel bars inside the anchor sealing platform (310) are densely reinforced and a steel bar connector (402) is reserved; the steel bar connector (402) of the anchor cable head is densely reinforced and water-expandable rubber is provided at the interface.

2. The integrated construction structure of anchor head and side wall according to claim 1 is characterized in that: Pre-buried bent steel bars (401) are provided between the main structure (100) and the enclosure structure (200).

3. The integrated construction structure of anchor head and side wall according to claim 1 is characterized in that: The main structure (100) comprises a side wall (110) and a base (120), a construction joint (113) is left between the side wall (110) and the base (102), a grouting conduit (111) communicating with the construction joint (113) is provided in the side wall (110), and a water stop strip (114) and a water-swellable water stop glue (112) are provided on the construction joint (113).

4. The integrated construction structure of anchor head and side wall according to claim 3 is characterized in that: The side wall (110) is provided with main structure steel bars (404), the enclosure structure (200) is provided with enclosure structure steel bars (403), and the enclosure structure steel bars (403) and the main structure steel bars (404) are connected via a steel bar connector (402).

5. The integrated construction structure of anchor head and side wall according to claim 3 is characterized in that: The bottom of the base (120) is provided with a fine stone concrete protective layer (123), a sprayed quick-setting rubber asphalt waterproof coating layer (122), and a concrete cushion layer (124) in sequence from top to bottom.

6. The anchor head and side wall integrated construction structure according to claim 1, characterized in that: The inclined anchor support (320) is fixedly connected to the enclosure structure (200), an inclined anchor support densely planted reinforcement bar (321) is provided in the inclined anchor support (320), and the sealing anchor platform (310) is connected to the anchor rod (300).

7. A waterproof construction method of an integrated construction structure of an anchor head and a side wall, based on the integrated construction structure of the side wall according to claim 1, characterized in that: The following steps are involved: S1, preliminary preparation; S11, check whether the material and size of the anchor cable and side wall meet the design requirements to ensure the quality of construction materials and tools; S12, clean the construction area to ensure that there are no debris or dust that may affect the construction quality; S13, determine the type, specification and quantity of waterproof materials, and prepare the corresponding construction tools and equipment; S2, waterproof layer construction; S21, apply waterproof material on the contact surface between the side wall and the anchor cable inclined anchor bracket, ensuring that the application is even and without omissions; S22: For special parts, such as the holes for anchor cables to penetrate the wall, and the junctions between the inclined anchor bracket and the side wall, additional waterproof treatment is required, and waterproof sealants or waterproof plugging materials are used for filling and sealing; S23, after the waterproof layer is dry, conduct a quality inspection to ensure there are no bubbles or cracks; S3, anchor cable installation and waterproofing; S31, install the anchor cable according to the design requirements, and ensure that the position, angle, tension and other parameters of the anchor cable meet the design requirements; S32, install waterproof sleeves or waterproof gaskets at the holes where the anchor cables pass through the wall to prevent moisture from penetrating through the holes; S33, waterproof the joint between the anchor cable and the side wall again to ensure that there is no channel for water to penetrate at the joint; S4, follow-up inspection and maintenance; S41, after the construction is completed, the entire waterproofing system shall be inspected to ensure that there are no omissions or defects; S42. During use, the waterproofing system should be inspected and maintained regularly to detect and address potential problems in a timely manner.

Images