CN115217119A - Deep foundation pit edge road and pipeline arrangement system and construction method - Google Patents
Deep foundation pit edge road and pipeline arrangement system and construction method Download PDFInfo
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- CN115217119A CN115217119A CN202210965150.0A CN202210965150A CN115217119A CN 115217119 A CN115217119 A CN 115217119A CN 202210965150 A CN202210965150 A CN 202210965150A CN 115217119 A CN115217119 A CN 115217119A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a deep foundation pit side road and pipeline arrangement system which comprises support piles, crown beams, a support system, water-stop curtains, retaining walls, roof curtains and a pipeline system, wherein the water-stop curtains are arranged on the side walls of a foundation pit, the support piles are arranged at intervals close to the water-stop curtains, the crown beams are arranged on the upper sides of the support piles, the support system is arranged close to the side walls of the crown beams, and the support system and the water-stop curtains are respectively arranged on two sides of the crown beams; the retaining wall is arranged at the top of the crown beam, is arranged along the side, close to the foundation pit, of the crown beam and is cast in situ with the crown beam into a whole, the length of the retaining wall is consistent with that of the crown beam, and a certain gap is formed between the inner side of the retaining wall and the water-stop curtain; the pipeline system is arranged at the upper part and two sides of the retaining wall. The retaining wall is arranged on the top beam, the pipeline system is arranged on the retaining wall and on two sides of the retaining wall, the pipeline system is integrated and arranged, and the effects of fully and effectively utilizing a plane field, greatly saving space arrangement, effectively saving cost and guaranteeing scientific safety protection of the deep foundation pit are achieved.
Description
Technical Field
The invention relates to the field of construction of constructional engineering, in particular to a deep foundation pit edge road and pipeline arrangement system and a construction method.
Background
In recent years, with the shortage of urban space, the development of a large amount of underground space and the construction of underground buildings, more and more deep foundation pit projects are appeared in narrow spaces. And the building market is mature day by day, the requirements of the current society on safe and civilized construction of a construction site are higher and higher, and the problems of arrangement, full utilization of space, hardening of 100% and the like of on-site water-facing electric pipelines need to be carefully considered in the planning process of general projects. In the traditional construction, buried laying is adopted, and large investment is needed for well distributing water and electricity; secondly, the all kinds of subentries that the scene needs are more, fail effectively to merge, and is great to the field space demand, and in the tradition meaning, adopt to add and establish modes such as landing stage or assembled platform and increase the activity area in the place, but will produce like this that the space occupies greatly, the cost is higher and turnover inefficiency scheduling problem, awaits urgent and waits to solve each construction unit.
Disclosure of Invention
Aiming at the defects in the prior art, the arrangement system and the construction method for the near-edge road and the pipeline of the deep foundation pit are provided, so that the effects of fully and effectively utilizing a plane field, greatly saving space arrangement, effectively saving cost and ensuring the safety protection of the deep foundation pit are achieved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a deep basal pit limb road and pipeline arrangement system which characterized in that: the waterproof curtain is arranged on the outer side of the supporting pile of the foundation pit and positioned between the side wall of the foundation pit and the supporting pile; a plurality of support piles are arranged close to the waterproof curtain at intervals, a crown beam is arranged on the upper side of each support pile, a support system is arranged close to the side wall of the crown beam, and the support system and the waterproof curtain are respectively arranged on two sides of the crown beam; the retaining wall is arranged at the top of the crown beam, is arranged along the side, close to the foundation pit, of the crown beam and is cast in situ with the crown beam into a whole, the length of the retaining wall is consistent with that of the crown beam, and a certain gap is reserved between the retaining wall and the waterproof curtain; the pipeline system is arranged on the upper part and two sides of the retaining wall.
According to the technical scheme, a hardened road, a water accumulation open trench and a field enclosing wall are sequentially arranged on the side, away from a pit, of the retaining wall, the hardened road is horizontally arranged, one side of the hardened road is fixedly connected with the side face of the retaining wall, and the top end of the water stop curtain is tightly attached to the bottom of the hardened road; the field enclosing wall is arranged on one side of the hardened road far away from the retaining wall, and the water-collecting open ditch is arranged between the field enclosing wall and the hardened road.
According to the technical scheme, the pipeline system comprises a precipitation system, the precipitation system comprises precipitation system branch pipes, a precipitation system main pipe, a three-stage sedimentation tank and a water intake, and the precipitation system main pipe is arranged between the retaining wall and the water-stop curtain and is positioned above the crown beam and below the hardened road; the plurality of the precipitation system branch pipes are arranged on the precipitation system main pipe at intervals, penetrate through the retaining wall and then are bent downwards and horizontally arranged on the supporting body system; the three-stage sedimentation tank is arranged on the hardened road, the water inlet side of the three-stage sedimentation tank is connected with the main pipe of the precipitation system and the open water ditch, and the water outlet side of the three-stage sedimentation tank is connected with an external municipal pipe network; the water intake is arranged on the water outlet side of the third-stage sedimentation tank.
According to the technical scheme, the main pipe of the precipitation system is arranged in a cavity formed by the hardened pavement, the retaining wall, the crown beam and the waterproof curtain, and backfill soil is filled outside the main pipe of the precipitation system.
According to the technical scheme, the pipeline system comprises an on-site temporary power system, a water supply pipeline system and fixing supports, wherein the on-site temporary power system and the water supply pipeline system are horizontally arranged along the retaining wall and have different elevations, and the fixing supports are arranged at the bottoms of the on-site temporary power system and the water supply pipeline system at intervals.
According to the technical scheme, the pipeline system further comprises a dust monitoring system, a spraying system, a fire fighting system and a canopy system, wherein the dust monitoring system, the spraying system, the fire fighting system and the canopy system are all arranged at the top of the crown beam and are respectively connected with the on-site temporary power system; the spraying system and the fire fighting system are connected with the water supply pipeline system through the large and small connectors of the water supply main pipe, and a spraying control valve is arranged on a pipeline connected with the water supply pipeline system.
According to the technical scheme, the combined type protective railing is arranged at the top of the retaining wall.
A construction method of the deep foundation pit side road and pipeline arrangement system is characterized in that:
s1: constructing a crown beam, a supporting pile and a supporting system according to a construction design drawing, and reserving joint bars for retaining wall construction before pouring the crown beam;
s2: determining elevations of the open water collecting ditch, the hardened road and the retaining wall according to the construction plane arrangement so as to determine the elevation of the precipitation system, and constructing the retaining wall and the pipeline part of the precipitation system;
s3: a fixed bracket, a water supply pipeline system, an on-site emergency system, a protective barrier, a raise dust monitoring system, a spraying system, a fire fighting system and a canopy system are arranged on the retaining wall;
s4: and filling backfill soil outside the main pipe of the precipitation system, and constructing the open water collecting ditch, the hardened road and the third-level sedimentation tank.
According to above-mentioned technical scheme, in S2, in the barricade work progress, reserve the interface that precipitation system branch pipe and precipitation system are responsible for the connection, reserve the mounting groove of fire extinguishing system box, bury the built-in fitting that is used for preventing guardrail bar and canopy system installation underground and reserve the horizontal dowel of sclerosis road.
The invention has the following beneficial effects:
1. compared with the situation that a slope protection system, a guardrail and a catch basin system are separately arranged on a traditional deep foundation pit, the retaining wall is arranged on the top beam, the pipeline system is arranged on the retaining wall and on two sides of the retaining wall, and the pipeline system is integrally arranged, so that the functional integration and unification of the edge system of the deep foundation pit are greatly improved, the problems that limited field resources can be fully utilized, the pipeline system of a construction site is reasonably arranged, a semi-permanent medium hydropower station distribution system is scientifically formed, the project cost expenditure is huge due to repeated arrangement for multiple times and the like are solved, and the effects of fully and effectively utilizing a plane field, greatly saving the spatial arrangement, effectively saving the cost and ensuring the safety protection of the deep foundation pit are achieved.
2. The rainwater collection system consisting of the retaining wall, the hardened road, the open water accumulation channel and the three-level sedimentation tank effectively prevents open water from entering the foundation pit, the interior of the foundation pit is not corroded by external open water, and the safety of the foundation pit construction process is greatly improved; the side road and the three-level sedimentation tank are used as a drainage system, the water intercepting function of foundation pit supporting engineering and the precipitation function of rain sewage in the field civilized construction process are fully combined into a whole, the water source can be used for field road washing, greening, cleaning and the like after precipitation, recycling is realized, and the green construction concept is reflected.
3. The cavity space formed by the retaining wall, the crown beam, the waterproof curtain and the hardened road is used for arranging the main pipe of the precipitation system, and the filling soil is arranged outside the main pipe of the precipitation system, so that the space arrangement is fully utilized, the site arrangement pressure is reduced, and the purpose of saving land is achieved.
4. Arranging a fixed support on the retaining wall for fixing a hydroelectric bridge, and enabling an on-site power supply system and a water supply pipeline system to be semi-permanent through elevation control of structures in a foundation pit; when backfilling is carried out in a field, the pipeline can be guaranteed not to be damaged only by paving the steel plate on the upper portion of the retaining wall, repeated arrangement is effectively avoided, and the purpose of saving cost is achieved.
Drawings
FIG. 1 is a cross-sectional view of a provided embodiment of the invention;
FIG. 2 is a front view of a provided embodiment of the invention;
FIG. 3 is a top view of a provided embodiment of the invention;
in the figure, 1, a support pile; 2. a crown beam; 3. a support system; 4. a waterproof curtain; 5. retaining walls; 6. hardening the road; 7. water accumulation open ditches; 8. a field enclosure; 9. a precipitation system branch pipe; 10. a main pipe of the precipitation system; 11. a third-stage sedimentation tank; 12. a water intake; 13. an external municipal pipe network; 14. backfilling; 15. an on-site temporary power supply system; 16. a water supply piping system; 17. fixing a bracket; 18. a dust monitoring system; 19. a spray system; 19-1, a spray control valve; 20. a fire protection system; 21. a canopy system; 22. a large joint and a small joint of the water supply main pipe; 23. a combined guard rail.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples.
Referring to fig. 1 to 2, the deep foundation pit edge road and pipeline arrangement system provided by the invention comprises support piles 1, crown beams 2, a support system 3, a waterproof curtain 4, a retaining wall 5 and a pipeline system, wherein the waterproof curtain is arranged on the outer sides of the support piles of the foundation pit and is positioned between the side walls of the foundation pit and the support piles; a plurality of support piles are arranged close to the waterproof curtain at intervals, crown beams are arranged on the upper sides of the support piles, a support system is arranged close to the side walls of the crown beams, and the support system and the waterproof curtain are respectively arranged on two sides of the crown beams; the retaining wall is arranged at the top of the crown beam, is arranged along the side, close to the foundation pit, of the crown beam and is cast in situ with the crown beam into a whole, the length of the retaining wall is consistent with that of the crown beam, and a certain gap is reserved between the retaining wall and the waterproof curtain; the pipeline system is arranged on the upper part and two sides of the retaining wall.
Compared with the situation that the slope protection, the guardrail and the catch basin system are separately arranged in the traditional deep foundation pit, the invention arranges the retaining wall on the crown beam, arranges the pipeline system on the retaining wall and on two sides of the retaining wall, realizes the integrated arrangement of the pipeline system, greatly improves the functional integration and unification of the near-edge system of the deep foundation pit, can fully utilize limited field resources, reasonably arrange the pipeline system of a construction site, scientifically form a semi-permanent water and power plant distribution system, repeatedly arrange for many times to cause the problem of huge project cost expenditure and the like, and achieves the effects of fully and effectively utilizing a plane field, greatly saving space arrangement, effectively saving cost and ensuring the safety protection of the deep foundation pit.
Further, a hardened road 6, a water accumulation open trench 7 and a field enclosing wall 8 are sequentially arranged on the side, away from the pit, of the retaining wall, the hardened road is horizontally arranged, one side of the hardened road is fixedly connected with the side face of the retaining wall, and the top end of the water stop curtain is tightly attached to the bottom of the hardened road; the field enclosing wall is arranged on one side of the hardened road far away from the retaining wall, and the water-collecting open ditch is arranged between the field enclosing wall and the hardened road.
Further, the pipeline system comprises a precipitation system, the precipitation system comprises precipitation system branch pipes 9, a precipitation system main pipe 10, a three-stage sedimentation tank 11 and a water intake 12, and the precipitation system main pipe is arranged between the retaining wall and the waterproof curtain and is positioned above the crown beam and below the hardened road. The plurality of the precipitation system branch pipes are arranged on the precipitation system main pipe at intervals, penetrate through the retaining wall and then are bent downwards and horizontally arranged on the supporting body system; the main pipe of the precipitation system is provided with a reserved interface for externally connecting the branch pipe of the precipitation system, and the branch pipe of the precipitation system is effectively connected with the reserved interface through a flange, so that the main pipe of the precipitation system and the branch pipe of the precipitation system are connected into a whole. The three-stage sedimentation tank is arranged on the hardened road, the water inlet side of the three-stage sedimentation tank is connected with the main pipe of the precipitation system and the open water ditch, the main pipe of the precipitation system flows into the three-stage sedimentation tank according to the elevation, and the water outlet side of the three-stage sedimentation tank is connected with an external municipal pipe network 13; a driving cover plate is added above the three-stage sedimentation tank, a water intake is reserved in the clean water tank, and the water source after sedimentation can be used for washing vehicles, washing roads, greening and maintaining and the like.
The rainwater collection system consisting of the retaining wall, the hardened road, the water accumulation open channel and the third-level sedimentation tank effectively prevents open water from entering the foundation pit, the interior of the foundation pit is not corroded by external open water, and the safety of the foundation pit construction process is greatly improved; the side road and the three-level sedimentation tank are used as a drainage system, the water intercepting function of foundation pit supporting engineering and the precipitation function of rain sewage in the field civilized construction process are fully combined into a whole, the water source can be used for field road washing, greening, cleaning and the like after precipitation, recycling is realized, and the green construction concept is reflected.
Further, the main pipe of the precipitation system is arranged in a cavity formed by the hardened pavement, the retaining wall, the crown beam and the waterproof curtain, and backfill soil 14 is filled outside the main pipe of the precipitation system. A cavity space formed by the retaining wall, the crown beam, the waterproof curtain and the hardened road is used for arranging a main pipe of the precipitation system; after the retaining wall is partially constructed, filling soil is distributed outside the main pipe of the precipitation system, the periphery of the main pipe of the precipitation system is tamped layer by layer until the periphery of the main pipe of the precipitation system is below a hardened road surface, the space arrangement is fully utilized, the site arrangement pressure is reduced, and the purpose of saving land is achieved.
Furthermore, the pipeline system comprises an on-site temporary power system 15, a water supply pipeline system 16 and fixing supports 17, wherein the on-site temporary power system and the water supply pipeline system are horizontally arranged along the retaining wall, and the fixing supports are arranged at the bottoms of the on-site temporary power system and the water supply pipeline system at intervals. Face electric system and feed water pipe system and set up at different heights, ensure the separation of water and electricity system, reserve according to the power consumption needs of other systems and establish the branch road. Arranging a fixed support on the retaining wall for fixing a hydroelectric bridge, and enabling an on-site power supply system and a water supply pipeline system to be semi-permanent through elevation control of structures in a foundation pit; when backfilling is carried out on the site, the pipeline can be ensured not to be damaged only by laying the steel plate on the upper part of the retaining wall, repeated arrangement is effectively avoided, and the purpose of saving cost is achieved.
Further, the pipeline system also comprises a flying dust monitoring system 18, a spraying system 19, a fire fighting system 20 and a canopy system 21, wherein the flying dust monitoring system, the spraying system, the fire fighting system and the canopy system are all arranged at the top of the crown beam and are respectively connected with an on-site temporary power system; the water supply pipeline system is provided with a large and small water supply pipe joint 22 (the position and the model of the large and small water supply pipe joint are determined by combining the spray control valve and the pipe diameter required by the fire-fighting system and are fixed by a fixing part), the spray system and the fire-fighting system are connected with the water supply pipeline system through the large and small water supply pipe joint, and a spray control valve 19-1 is arranged on a pipeline connecting the spray system and the water supply pipeline system. The water supply main pipe of the water supply pipeline system is composed of a pressure pipeline and is connected with a fire fighting system and a spraying system into a whole, the purposes of energy conservation and material conservation are achieved, in addition, a spraying control valve of the spraying system is controlled by an intelligent spraying system and is connected with a field dust raising monitoring system in real time, automatic dust fall is achieved, and building site intellectualization is fully embodied.
In this embodiment, be equipped with the mounting groove of fire control box on the barricade, it is fixed firm to pass through the mounting groove with fire control box among the fire extinguishing system, and fire extinguishing system's inlet tube and the water supply pipe who above-mentioned water supply pipe system stayed the water supply main pipe reducer union coupling who establishes are firm, form fire extinguishing system. Fixing a spray head and a pipeline of a spraying system on the top of the combined protective rail; the spray head of the spray system is firmly connected with the large joint and the small joint of the water supply main pipe of the water supply pipeline system through a hose and a spray control valve; and connecting a controller of the spraying system with the on-site temporary power supply system to form the spraying system. The flying dust monitoring system is arranged at the top of the retaining wall and is connected with the on-site temporary power system by utilizing the flying dust monitoring system to form an on-site flying dust monitoring system; and then, the raise dust monitoring system is in system connection with the spraying control system, and when the air pollutants in the site exceed the standard or the temperature is too high, the spraying control valve is automatically opened through early warning of the raise dust monitoring system, so that an intelligent raise dust and spraying system is formed. The main keels of the components of the canopy system are embedded in the retaining wall, so that the canopy system is further improved, and the effect of closed construction of the foundation pit is achieved.
Furthermore, a combined type protective railing 23 is arranged at the top of the retaining wall, an embedded part is arranged at the top of the retaining wall, and the combined type protective railing is connected with the retaining wall through the embedded part. The combined protective railing is fixed by the embedded parts, so that the installation is firm, and the safety of the periphery of the foundation pit is ensured.
The principle of the device is as follows:
according to the invention, the retaining wall is arranged at the top of the crown beam, the space at the top of the crown beam is utilized to form a temporary road system, and a pipeline system is arranged, so that the space of a construction site except for a foundation pit support is utilized to the greatest extent, and the effect of saving land is achieved; the on-site power supply system and the water supply pipeline system are arranged on the side face of the retaining wall in a layered mode through the fixing support, water and electricity separation is achieved, and safety of the foundation pit is improved; in addition, lay pipeline system (like precipitation system, raise dust monitored control system, spraying system, fire extinguishing system and canopy system) along the barricade, the water and electricity demand of self that pipeline system basis links to each other with on-the-spot facing electric system and water supply pipe system, realizes fully effectively utilizing the plane place, practice thrift spatial arrangement greatly, effectual saving cost, guarantee deep basal pit safety protection's effect, has made effective contribution to deep basal pit planar arrangement under the narrow and small site conditions, and the advantage is numerous, easily promotes.
A construction method of the deep foundation pit side road and pipeline arrangement system is characterized in that:
s1: constructing a crown beam, a support pile and a support system according to a construction design drawing, and reserving dowel bars for retaining wall construction before pouring the crown beam;
s2: determining the elevations of the open water collecting ditch, the hardened road and the retaining wall according to the arrangement of the construction plane, thereby determining the elevation of the precipitation system, and constructing the retaining wall and the pipeline part of the precipitation system;
s3: a fixed bracket, a water supply pipeline system, an on-site temporary electric system, a protective railing, a raise dust monitoring system, a spraying system, a fire fighting system and a canopy system are arranged on the retaining wall;
s4: and filling backfill soil outside the main pipe of the precipitation system, and constructing the open water collecting ditch, the hardened road and the third-level sedimentation tank.
Furthermore, in S2, in the construction process of the retaining wall, an interface for connecting the branch pipe of the precipitation system and the main pipe of the precipitation system, an installation groove for reserving the box body of the fire-fighting system, an embedded part for installing the protective railing and the canopy system and a horizontal dowel bar for reserving a hardened road are reserved.
The above are only preferred embodiments of the present invention, and it is needless to say that the scope of the present invention is not limited by these embodiments, and therefore, the present invention is still within the scope of the present invention by the equivalent changes made in the claims of the present invention.
Claims (9)
1. The utility model provides a deep basal pit limb road and pipeline arrangement system which characterized in that: the waterproof curtain is arranged on the outer side of the supporting pile of the foundation pit and positioned between the side wall of the foundation pit and the supporting pile; a plurality of support piles are arranged close to the waterproof curtain at intervals, crown beams are arranged on the upper sides of the support piles, a support system is arranged close to the side walls of the crown beams, and the support system and the waterproof curtain are respectively arranged on two sides of the crown beams; the retaining wall is arranged at the top of the crown beam, is arranged along the side, close to the foundation pit, of the crown beam and is cast in situ with the crown beam into a whole, the length of the retaining wall is consistent with that of the crown beam, and a certain gap is reserved between the retaining wall and the waterproof curtain; the pipeline system is arranged on the upper part and two sides of the retaining wall.
2. The deep foundation pit bordering road and pipeline arrangement system as defined in claim 1, wherein: a hardened road, a water accumulation open trench and a field enclosing wall are sequentially arranged on the side, far away from the pit, of the retaining wall, the hardened road is horizontally arranged, one side of the hardened road is fixedly connected with the side face of the retaining wall, and the top end of the water stop curtain is tightly attached to the bottom of the hardened road; the field enclosing wall is arranged on one side of the hardened road far away from the retaining wall, and the water-collecting open ditch is arranged between the field enclosing wall and the hardened road.
3. The deep foundation pit side road and pipeline arrangement system according to claim 1 or 2, wherein: the pipeline system comprises a precipitation system, the precipitation system comprises precipitation system branch pipes, a precipitation system main pipe, a three-stage sedimentation tank and a water intake, and the precipitation system main pipe is arranged between the retaining wall and the waterproof curtain and is positioned above the crown beam and below the hardened road; the plurality of the precipitation system branch pipes are arranged on the precipitation system main pipe at intervals, penetrate through the retaining wall and then are bent downwards and horizontally arranged on the supporting body system; the third-stage sedimentation tank is arranged on the hardened road, the water inlet side of the third-stage sedimentation tank is connected with the main pipe of the precipitation system and the open channel for water accumulation, and the water outlet side of the third-stage sedimentation tank is connected with an external municipal pipe network; the water intake is arranged on the water outlet side of the third-stage sedimentation tank.
4. The deep foundation pit bordering road and pipeline arrangement system as defined in claim 3, wherein: the main pipe of the precipitation system is arranged in a cavity formed by the hardened pavement, the retaining wall, the crown beam and the waterproof curtain, and backfill soil is filled outside the main pipe of the precipitation system.
5. The deep foundation pit side road and pipeline arrangement system according to claim 1 or 2, wherein: the pipeline system comprises an on-site electric system, a water supply pipeline system and fixing supports, wherein the on-site electric system and the water supply pipeline system are horizontally arranged along the retaining wall, the elevation of the on-site electric system and the elevation of the water supply pipeline system are different, and the fixing supports are arranged at the bottoms of the on-site electric system and the water supply pipeline system at intervals.
6. The deep foundation pit side-facing road and pipeline arrangement system according to claim 5, wherein: the pipeline system also comprises a dust monitoring system, a spraying system, a fire fighting system and a canopy system, wherein the dust monitoring system, the spraying system, the fire fighting system and the canopy system are all arranged at the top of the crown beam and are respectively connected with the on-site temporary power system; the spraying system and the fire fighting system are connected with the water supply pipeline system through the water supply main pipe large-small joint, and a spraying control valve is arranged on a pipeline connected with the water supply pipeline system.
7. The deep foundation pit side road and pipeline arrangement system according to claim 1 or 2, wherein: the top of the retaining wall is provided with a combined protective railing.
8. A construction method of the deep foundation pit side road and pipeline arrangement system according to any one of claims 1 to 7, wherein:
s1: constructing a crown beam, a support pile and a support system according to a construction design drawing, and reserving dowel bars for retaining wall construction before pouring the crown beam;
s2: determining the elevations of the open water collecting ditch, the hardened road and the retaining wall according to the arrangement of the construction plane, thereby determining the elevation of the precipitation system, and constructing the retaining wall and the pipeline part of the precipitation system;
s3: a fixed bracket, a water supply pipeline system, an on-site emergency system, a protective barrier, a raise dust monitoring system, a spraying system, a fire fighting system and a canopy system are arranged on the retaining wall;
s4: and filling backfill soil outside the main pipe of the precipitation system, and constructing the open water collecting ditch, the hardened road and the third-level sedimentation tank.
9. The construction method of the deep foundation pit side road and pipeline arrangement system according to claim 8, wherein: and S2, in the construction process of the retaining wall, reserving a connector for connecting the branch pipe of the precipitation system with the main pipe of the precipitation system, reserving a mounting groove of the fire-fighting system box body, embedding an embedded part for mounting the protective railing and the canopy system, and reserving a horizontal dowel bar of a hardened road.
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| CN202210965150.0A CN115217119A (en) | 2022-08-12 | 2022-08-12 | Deep foundation pit edge road and pipeline arrangement system and construction method |
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| CN202210965150.0A CN115217119A (en) | 2022-08-12 | 2022-08-12 | Deep foundation pit edge road and pipeline arrangement system and construction method |
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|---|---|---|---|---|
| CN203784462U (en) * | 2014-03-20 | 2014-08-20 | 中国建筑第八工程局有限公司 | Bracket structure for fixing foundation pit temporary cables |
| CN109695247A (en) * | 2019-01-04 | 2019-04-30 | 杭州江润科技有限公司 | Deep foundation pit temporary pipeline comprehensive arrangement system and construction method |
| CN208884526U (en) * | 2018-08-31 | 2019-05-21 | 南京明辉建设有限公司 | Deep basal pit faces side security protection system |
| CN209686426U (en) * | 2019-01-04 | 2019-11-26 | 杭州江润科技有限公司 | Foundation pit faces side bumper drainage system |
| WO2020173100A1 (en) * | 2019-02-26 | 2020-09-03 | 济南轨道交通集团有限公司 | Reinforcement apparatus and construction method for local freezing reinforcement of deep foundation pit in water-rich sand gravel stratum |
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2022
- 2022-08-12 CN CN202210965150.0A patent/CN115217119A/en active Pending
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| CN203784462U (en) * | 2014-03-20 | 2014-08-20 | 中国建筑第八工程局有限公司 | Bracket structure for fixing foundation pit temporary cables |
| CN208884526U (en) * | 2018-08-31 | 2019-05-21 | 南京明辉建设有限公司 | Deep basal pit faces side security protection system |
| CN109695247A (en) * | 2019-01-04 | 2019-04-30 | 杭州江润科技有限公司 | Deep foundation pit temporary pipeline comprehensive arrangement system and construction method |
| CN209686426U (en) * | 2019-01-04 | 2019-11-26 | 杭州江润科技有限公司 | Foundation pit faces side bumper drainage system |
| WO2020173100A1 (en) * | 2019-02-26 | 2020-09-03 | 济南轨道交通集团有限公司 | Reinforcement apparatus and construction method for local freezing reinforcement of deep foundation pit in water-rich sand gravel stratum |
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