阅读说明：本技术 一种市政建筑地下结构的施工方法 (Construction method of municipal building underground structure ) 是由 丁超超 杨远林 孙毫 于 2021-06-08 设计创作，主要内容包括：本发明公开了一种市政建筑地下结构的施工方法,属于市政施工技术领域,包括如下步骤：S1、开挖土方；S2、地面孔位钻挖,钻挖地面孔位；S3、地面结构建设,建立地面的防护结构和地面支撑结构；S4、地下孔位固定；S5、地下结构建设,建立地下支撑结构；S6、检验：完成地下结构的建设后,根据相应的规章制度进行检验,判断是否满足标准,若满足标准则进入下一步骤,若不满足,则返回S5中,进行返工；S7、重复S4-S5完成多层地下结构的建设；本发明能够实现高防水性、高精准度、低错误率、制造工艺简单以及便于监控的目的,从而能够有效地保证实际的施工效果。(The invention discloses a construction method of a municipal building underground structure, belonging to the technical field of municipal construction and comprising the following steps: s1, excavating earthwork; s2, drilling ground hole sites; s3, building a ground structure, and building a ground protection structure and a ground support structure; s4, fixing underground holes; s5, constructing an underground structure, and establishing an underground supporting structure; s6, checking: after the construction of the underground structure is completed, checking according to a corresponding regulation and a system, judging whether the standard is met, if so, entering the next step, and if not, returning to S5 for reworking; s7, repeating S4-S5 to complete the construction of a multilayer underground structure; the invention can realize the purposes of high waterproofness, high precision, low error rate, simple manufacturing process and convenient monitoring, thereby effectively ensuring the actual construction effect.)

1. The municipal building underground structure comprises an underground supporting structure (3) and is characterized by further comprising an inner protective structure (2) and an outer protective structure (1), wherein the inner protective structure (2) comprises a vertical plate (201), a transverse plate (202), a side plate (203) and a positioning plate (204), the two ends of the transverse plate (202) are fixedly connected with the vertical plate (201) and the side plate (203), the vertical plate (201) and the side plate (203) are arranged on the side wall of the positioning plate (204), the underground supporting structure (3) comprises a supporting plate (301), a supporting column (302), a reinforcing plate (303) and a top plate (304), the supporting plate (301) is clamped at the upper end of the inner side wall of the outer protective structure (1), the upper end face of the supporting plate (301) is fixedly connected with the lower end face of the supporting column (302), the upper end face of the supporting column (302) is fixedly connected with the lower end face of the reinforcing plate (303), the upper end surface of the reinforcing plate (303) is fixedly connected with the lower end surface of the top plate (304).

2. The municipal building underground structure of claim 1, wherein: the mounting groove has all been seted up to the inside wall of outer protective structure (1) and the lateral wall of locating plate (204), riser (201) and curb plate (203) joint are in the mounting groove.

3. The method of claim 1, comprising the steps of:

s1, excavating earthwork;

s2, drilling and digging ground hole sites: after the on-site exploration, constructors design construction drawings, formulate construction schemes, select ground support hole sites, ground positioning hole sites and ground protection column hole sites after the design formulation is completed, and drill and dig ground support column holes, ground positioning holes and ground protection column holes;

s3, construction of a ground structure: respectively installing and fixing steel bars in the ground support hole site, the ground positioning hole site and the ground support pillar hole site, and pouring concrete in the ground support hole site, the ground positioning hole site and the ground support pillar hole site where the steel bars are installed;

s4, fixing underground holes: drilling underground supporting holes, underground positioning holes and underground supporting column holes, installing reinforcing steel bars and fixing the reinforcing steel bars in the underground supporting hole positions, the underground positioning hole positions and the underground supporting column hole positions respectively, and pouring concrete in the underground supporting hole positions, the underground positioning hole positions and the underground supporting column hole positions where the reinforcing steel bars are installed, wherein the underground supporting holes are used for installing an inner protection structure (2), the underground positioning holes are used for installing an outer protection structure (1), and the underground supporting column holes are used for installing an underground supporting structure (3);

s5, underground structure construction: establishing an underground supporting structure (3), establishing an underground supporting hole site, an underground positioning hole site and an underground protection column hole site according to a design drawing, and drilling and excavating the underground supporting column hole, the underground positioning hole site and the underground protection column hole after the underground supporting hole site, the underground positioning hole site and the underground protection column hole site are determined;

s6, checking: after the construction of the underground structure is completed, checking according to a corresponding regulation and a system, judging whether the standard is met, if so, entering the next step, and if not, returning to S5 for reworking;

and S7, repeating S4-S5 to complete the construction of the multilayer underground structure.

4. The method of claim 3, wherein the method comprises the steps of: before proceeding to S1, the bearing capacity and overturning capacity of the foundation should be calculated, so as to calculate the remaining quantity and height of the soil.

5. The method of claim 3, wherein the method comprises the steps of: in the construction of S2, the ground protection structure is divided into an inner protection structure and an outer protection structure, the inner protection structure is installed first, then the outer protection structure is installed, the ground support structure is divided into an inner support structure and an outer support structure, the inner support structure is installed first, then the outer support structure is installed, and the inner protection structure and the outer protection structure in the ground protection structure and the inner support structure and the outer support structure of the ground support structure are made of metal materials.

6. The method of claim 3, wherein the method comprises the steps of: in S4 construction, an inner protection structure (2) is installed firstly, then an outer protection structure (1) is installed, an underground supporting structure (3) is divided into an inner supporting structure and an outer supporting structure, the inner supporting structure is composed of a supporting plate (301), a supporting column (302) and a reinforcing plate (303), the outer supporting structure is a top plate (304), the inner supporting structure is installed firstly, then the outer supporting structure is installed, and a waterproof layer is laid on the underground protection structure and the supporting structure.

7. The method of claim 3, wherein the method comprises the steps of: the inner protection structure (2), the outer protection structure (1) and the inner support structure and the outer support structure of the underground support structure (3) are made of metal materials, and the waterproof layer is coated with synthetic polymer waterproof materials.

8. The method of claim 3, wherein the method comprises the steps of: the working process of S2-S5 is provided with data monitoring equipment, and the data monitoring equipment is selected from a total station instrument and one of Nikon, Tianbao, Leica and Sujia.

9. The method of claim 3, wherein the method comprises the steps of: in the construction process of S7, the number of repetitions is selected according to actual construction requirements.

Technical Field

The invention relates to the technical field of municipal construction, in particular to a construction method of an underground structure of a municipal building.

Background

The municipal engineering refers to municipal facility construction engineering. In China, municipal facilities refer to various buildings, structures, equipment and the like which are arranged in planning and construction ranges of urban areas and towns (villages) and provide paid or unpaid public products and services for residents based on government responsibilities and obligations. Various public infrastructure construction supporting urban life belongs to municipal engineering categories, such as common urban roads, bridges and subways, and various pipelines closely related to life: rainwater, sewage, water supply, reclaimed water, electric power (parts except red lines), telecommunication, heating power, gas and the like, and construction of squares, urban greening and the like belong to the municipal engineering category.

The existing construction method is complex in process and easy to be limited to a certain extent, so that the construction accuracy is greatly influenced.

Disclosure of Invention

The invention aims to provide a construction method of an underground structure of a municipal building, which solves the problem of complex process in the prior art.

In order to solve the problems, the invention adopts the following technical scheme:

the municipal building underground structure comprises an underground supporting structure, and further comprises an inner protection structure and an outer protection structure, wherein a waterproof layer is laid on the inner protection structure, the outer protection structure and the underground supporting structure, the waterproof layer is further laid on the inner protection structure, the integral waterproof performance of the underground structure can be effectively improved by laying the waterproof layer, the service life is further prolonged, the maintenance and maintenance period is prolonged, so that the cost can be further reduced, the inner protection structure comprises a vertical plate, a transverse plate, a side plate and a positioning plate, the two ends of the transverse plate are fixedly connected with the vertical plate and the side plate, the vertical plate and the side plate are arranged on the side wall of the positioning plate, mounting grooves are formed in the inner side wall of the outer protection structure and the side wall of the positioning plate, the vertical plate and the side plate are clamped in the mounting grooves, the protection effect of the outer protection structure can be further ensured under the matching of the positioning plate, the vertical plate and the side plate, the mounting is convenient, and the mounting accuracy of a device can be further improved, underground supporting structure includes backup pad, support column, reinforcing plate and roof, the backup pad joint is in the upper end of outer protective structure inside wall, the up end of backup pad and the lower terminal surface fixed connection of support column, the up end of support column and the lower terminal surface fixed connection of reinforcing plate, the up end of reinforcing plate and the lower terminal surface fixed connection of roof, the relation of connection is simple between each part, and the processing of being convenient for, the simple process of preparation.

As a preferable scheme of the invention, mounting grooves are formed in the inner side wall of the outer protection structure and the side wall of the positioning plate, and the vertical plate and the side plate are clamped in the mounting grooves.

The construction method of the municipal building underground structure comprises the following steps:

s1, excavating earthwork;

s2, drilling and digging ground hole sites: after the on-site exploration, constructors design construction drawings, formulate construction schemes, select ground support hole sites, ground positioning hole sites and ground protection column hole sites after the design formulation is completed, and drill and dig ground support column holes, ground positioning holes and ground protection column holes;

s3, construction of a ground structure: respectively installing and fixing steel bars in the ground support hole site, the ground positioning hole site and the ground support pillar hole site, and pouring concrete in the ground support hole site, the ground positioning hole site and the ground support pillar hole site where the steel bars are installed;

s4, fixing underground holes: drilling an underground support hole, an underground positioning hole and an underground support column hole, installing reinforcing steel bars in the underground support hole position, the underground positioning hole position and the underground support column hole position and fixing the reinforcing steel bars, and pouring concrete in the underground support hole position, the underground positioning hole position and the underground support column hole position where the reinforcing steel bars are installed, wherein the underground support hole is used for installing an inner protection structure, the underground positioning hole is used for installing an outer protection structure, and the underground support column hole is used for installing an underground support structure;

s5, underground structure construction: establishing an underground supporting structure, establishing an underground supporting hole site, an underground positioning hole site and an underground protective column hole site according to a design drawing, and drilling and excavating an underground supporting column hole, an underground positioning hole site and an underground protective column hole after the underground supporting structure, the underground positioning hole site and the underground protective column hole site are determined;

s6, checking: after the construction of the underground structure is completed, checking according to a corresponding regulation and a system, judging whether the standard is met, if so, entering the next step, and if not, returning to S5 for reworking;

and S7, repeating S4-S5 to complete the construction of the multilayer underground structure.

In a preferred embodiment of the present invention, before S1, the bearing capacity and the overturning capacity of the foundation are calculated, and the remaining amount and height of the soil are calculated.

As a preferable scheme of the present invention, in the construction of S2, the ground protection structure is divided into an inner protection structure and an outer protection structure, the inner protection structure is installed first, and then the outer protection structure is installed, the ground support structure is divided into an inner support structure and an outer support structure, the inner support structure is installed first, and then the outer support structure is installed, and the inner protection structure and the outer protection structure in the ground protection structure and the inner support structure and the outer support structure in the ground support structure are made of metal materials.

As a preferred scheme of the present invention, in the construction of S4, an inner protection structure is installed first, and then an outer protection structure is installed, the underground support structure is divided into an inner support structure and an outer support structure, the inner support structure is composed of a support plate, a support pillar and a reinforcement plate, the outer support structure is a top plate, the inner support structure is installed first, then the outer support structure is installed, and a waterproof layer is laid on the underground protection structure and the support structure.

As a preferable scheme of the present invention, the inner protective structure and the outer protective structure and the inner supporting structure and the outer supporting structure of the underground supporting structure are made of metal materials, and the material for coating the waterproof layer is a synthetic polymer waterproof material.

In a preferred embodiment of the present invention, the data monitoring device is provided at S2-S5, and the data monitoring device is a total station, one of nikon, tianbao, laika and suojia.

As a preferable aspect of the present invention, in the construction process of S7, the number of repetitions is selected according to actual construction requirements.

Compared with the prior art, the invention has the advantages that:

(1) the mounting groove has all been seted up to outer protective structure's inside wall and the lateral wall of locating plate in this scheme, and riser and curb plate joint can further guarantee outer protective structure's protecting effect in the mounting groove under the cooperation of locating plate, riser and curb plate, and the installation of being convenient for, easy operation, the precision of promotion installation that can step forward.

(2) According to the scheme, before earthwork excavation is carried out, the bearing capacity and the overturning capacity of a ground base are calculated, so that the remaining quantity and the remaining height of a soil body are calculated, firstly, soil layer excavation is carried out on the whole range, after the soil layer excavation is carried out to one layer, the elevation is reserved, then, the earthwork excavation is carried out, the designed elevation of the bottom of a foundation pit is excavated, the overturning capacity and the soil body remaining quantity of a foundation pit enclosure structure are calculated and determined, the input amount of protective materials can be reduced by accurately calculating the remaining quantity and the remaining height, the protective materials can be replaced by the passive soil pressure of the soil body, and therefore the cost of supporting can be further saved, the input is reduced, and the cost is saved.

(3) This scheme is equipped with data monitoring facilities, can further guarantee the precision in the work progress through data monitoring facilities, reduces the error rate, promotes processingquality and effect.

(4) After the construction of underground structure is accomplished to this scheme, inspect, judge whether satisfy the standard, if satisfy the standard then get into next step, if unsatisfied, then return the construction and build in-step, carry out the reworking, promote the ability and the effect of self-checking to the stability of promotion building structure that can step forward promotes construction quality.

Drawings

FIG. 1 is a schematic representation of the structure of the underground structure of the present invention.

Fig. 2 is a flow chart of the operation of the present invention.

Fig. 3 is a schematic flow chart of the construction of the ground structure in the present invention.

Fig. 4 is a schematic flow chart of the construction of the underground structure in the present invention.

The reference numbers in the figures illustrate:

1. an outer protective structure; 2. an inner protective structure; 201. a vertical plate; 202. a transverse plate; 203. a side plate; 204. positioning a plate; 3. an underground support structure; 301. a support plate; 302. a support pillar; 303. a reinforcing plate; 304. a top plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1, the municipal building underground structure comprises an underground supporting structure 3, and further comprises an inner protective structure 2 and an outer protective structure 1, wherein the inner protective structure 2 comprises a vertical plate 201, a horizontal plate 202, a side plate 203 and a positioning plate 204, two ends of the horizontal plate 202 are fixedly connected with the vertical plate 201 and the side plate 203, the vertical plate 201 and the side plate 203 are mounted on a side wall of the positioning plate 204, the underground supporting structure 3 comprises a supporting plate 301, a supporting column 302, a reinforcing plate 303 and a top plate 304, the supporting plate 301 is clamped at the upper end of the inner side wall of the outer protective structure 1, the upper end surface of the supporting plate 301 is fixedly connected with the lower end surface of the supporting column 302, the upper end surface of the supporting column 302 is fixedly connected with the lower end surface of the reinforcing plate 303, and the upper end surface of the reinforcing plate 303 is fixedly connected with the lower end surface of the top plate 304.

In this embodiment, can promote the steadiness ability of underground structure effectively through setting up underground supporting structure 3 to can guarantee actual life and result of use effectively, can guarantee the safeguard effect under the cooperation of interior protective structure 2 and outer protective structure 1, can guarantee the bearing effect of underground structure through setting up underground supporting structure 3, thereby can promote the result of use of underground structure effectively.

Specifically, the mounting groove has all been seted up to outer protective structure 1's the inside wall and the lateral wall of locating plate 204, and riser 201 and curb plate 203 joint are in the mounting groove.

In this embodiment, can further guarantee outer protective structure 1's protecting effect under the cooperation of locating plate 204, riser 201 and curb plate 203, and be convenient for install, the precision of hoisting device installation that can be further.

Referring to fig. 2-4, a method for constructing an underground structure of a municipal building according to the above embodiment comprises the following steps:

s1, excavating earthwork, wherein before S1 is carried out, the bearing capacity and the overturning capacity of a foundation are calculated, so that the remaining quantity and the remaining height of soil are calculated, the earthwork excavation is carried out on soil layers in the whole range, after the earthwork is excavated to one layer, the elevation is reserved, then the earthwork excavation is carried out, the designed elevation of the bottom of a foundation pit is excavated, the overturning capacity and the soil remaining quantity of the foundation pit enclosure structure are calculated and determined, the input amount of protective materials can be reduced by accurately calculating the remaining quantity and the remaining height, and the protective materials can be replaced by the passive soil pressure of the soil body, so that the supporting cost can be further saved, the input is reduced, and the cost is saved;

s2, drilling and digging ground hole sites: after the on-site exploration, constructors design construction drawings, formulate construction schemes, select ground support hole sites, ground positioning hole sites and ground protection column hole sites after the design formulation is completed, and drill and dig ground support column holes, ground positioning holes and ground protection column holes;

s3, construction of a ground structure: respectively installing reinforcing steel bars and fixing the reinforcing steel bars in a ground supporting hole site, a ground positioning hole site and a ground supporting column hole site, pouring concrete in the ground supporting hole site, the ground positioning hole site and the ground supporting column hole site for installing the reinforcing steel bars, wherein the ground protection structure is divided into an inner protection structure and an outer protection structure, the inner protection structure is firstly installed, the outer protection structure is then installed, the ground supporting structure is divided into an inner supporting structure and an outer supporting structure, the inner supporting structure is firstly installed, the outer supporting structure is then installed, the protection effect of the ground protection structure can be further improved by installing the inner protection structure and the outer protection structure inside the ground protection structure, the supporting effect and the purpose of the ground can be further improved by installing the inner supporting structure and the outer supporting structure outside the ground supporting structure, and the integral protection performance of the ground structure can be further improved, the safety performance is improved, the construction difficulty can be reduced and the construction period can be shortened by selecting a construction mode from inside to outside in the actual construction process, and the inner protection structure and the outer protection structure in the ground protection structure and the inner support structure and the outer support structure in the ground support structure are made of metal materials, so that the manufacturing process is simple, the actual support and protection effects cannot be influenced, and the practicability is high;

s4, fixing underground holes: drilling an underground supporting hole, an underground positioning hole and an underground supporting column hole, installing reinforcing steel bars in the underground supporting hole position, the underground positioning hole position and the underground supporting column hole position and fixing the reinforcing steel bars, and pouring concrete in the underground supporting hole position, the underground positioning hole position and the underground supporting column hole position where the reinforcing steel bars are installed, wherein the underground supporting hole is used for installing an inner protection structure 2, the underground positioning hole is used for installing an outer protection structure 1, and the underground supporting column hole is used for installing an underground supporting structure 3;

s5, underground structure construction: an underground supporting structure 3 is established, the inner protective structure 2 comprises a vertical plate 201, a horizontal plate 202, side plates 203 and a positioning plate 204, two ends of the horizontal plate 202 are fixedly connected with the vertical plate 201 and the side plates 203, the vertical plate 201 and the side plates 203 are arranged on the side walls of the positioning plate 204, the inner protective structure 2 is firstly arranged, then the outer protective structure 1 is arranged, the underground supporting structure 3 comprises a supporting plate 301, a supporting column 302, a reinforcing plate 303 and a top plate 304, the supporting plate 301 is clamped at the upper end of the inner side wall of the outer protective structure 1, the upper end surface of the supporting plate 301 is fixedly connected with the lower end surface of the supporting column 302, the upper end surface of the supporting column 302 is fixedly connected with the lower end surface of the reinforcing plate 303, the upper end surface of the reinforcing plate 303 is fixedly connected with the lower end surface of the top plate 304, the underground supporting structure 3 is divided into an inner supporting structure and an outer supporting structure, the inner supporting structure is composed of the supporting plate 301, the supporting column 302 and the reinforcing plate 303, the outer supporting structure is the top plate 304, firstly, an inner supporting structure is installed, then an outer supporting structure is installed, a top plate 304 is welded on the upper end face of a reinforcing plate 303, after the installation, a supporting column 302 is welded on the lower end face of the reinforcing plate 303, a supporting plate 301 is installed on the inner wall of the outer protective structure 1, a side plate 203 is installed on the inner wall of the outer protective structure 1, a vertical plate 201 is installed inside a positioning plate 204, finally, two ends of a transverse plate 202 are welded with the side plate 203 and the vertical plate 201, after the completion, the lower end of the supporting column 302 is welded with the upper end of the supporting plate 301, so that the combined installation of the underground protective structure is completed, waterproof layers are laid on an inner protective structure 2, an outer protective structure 1 and an underground supporting structure 3, through the inner protective structure and the outer protective structure, the protective effect can be further improved, and through the inner protective structure 2 and the outer supporting structure 1 which are installed inside the underground supporting structure 3, the integral protective performance of the underground structure can be improved, the safety performance of underground work and the integral protection performance of an underground structure are improved, the integral waterproof performance of the underground structure can be effectively improved by laying a waterproof layer, the service life is further prolonged, the maintenance and maintenance period is prolonged, the cost can be further reduced, the inner supporting structure and the outer supporting structure of the inner protective structure 2, the outer protective structure 1 and the underground supporting structure 3 are made of metal materials, the waterproof layer is coated by synthetic high-molecular waterproof materials which are made of metal materials and are simple in manufacturing process, the actual supporting and protecting effects cannot be influenced, the synthetic high-molecular waterproof materials are prepared by adding other auxiliary materials and are made of synthetic rubber or contract resin serving as main film forming materials, and the waterproof coating material has the advantages of convenience and quickness in construction, high working efficiency, short construction period, excellent aging resistance, The working process of S2-S5 is provided with data monitoring equipment, the data monitoring equipment adopts a total station instrument, one of Nikon, Tianbao, Leica and Sojia is selected, and the data monitoring equipment can further ensure the precision in the construction process, reduce the error rate and improve the processing quality and effect; the total station has the main functions of: angle measurement function, distance measurement function, tracking measurement and continuous measurement. The method is mainly used for: distance lofting: the difference between the design distance and the actual distance can be compared, and the design distance can be put on the spot quickly; coordinate lofting: three-dimensional coordinate lofting can be carried out by knowing the coordinates of the instrument points and the coordinates of the rear view point or the coordinates of the instrument points and the rear view azimuth angle, and coordinate transformation can also be carried out when needed; the total station can further improve the working efficiency in the construction process and reduce the error rate, so that the actual construction quality can be ensured;

s6, checking: after the construction of the underground structure is completed, checking according to a corresponding regulation and a system, judging whether the standard is met, if so, entering the next step, and if not, returning to S5 for reworking;

s7, repeating S4-S5 to complete the construction of a multi-layer underground structure, selecting the repeated times according to the actual construction requirements in the construction process of S7, and the use requirements of different levels can be met through the arrangement, so that the construction process is simple and convenient to implement.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to cover the technical scope of the present invention, the technical solutions and the modifications thereof according to the present invention within the technical scope of the present invention.