CN108797618A - One kind being used for Urban Underground pipe gallery drainage of foundation pit structure and its construction method - Google Patents

One kind being used for Urban Underground pipe gallery drainage of foundation pit structure and its construction method Download PDF

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Publication number
CN108797618A
CN108797618A CN201810640958.5A CN201810640958A CN108797618A CN 108797618 A CN108797618 A CN 108797618A CN 201810640958 A CN201810640958 A CN 201810640958A CN 108797618 A CN108797618 A CN 108797618A
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CN
China
Prior art keywords
foundation pit
slope
drainage
concrete cushion
piping lane
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810640958.5A
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Chinese (zh)
Inventor
张峰
杨赛
赵磊
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
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Publication date
Application filed by China MCC17 Group Co Ltd filed Critical China MCC17 Group Co Ltd
Priority to CN201810640958.5A priority Critical patent/CN108797618A/en
Publication of CN108797618A publication Critical patent/CN108797618A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/08Restraining of underground water by employing open ditches arranged below the level of the water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/22Lining sumps in trenches or other foundation pits

Abstract

The invention discloses one kind being used for Urban Underground pipe gallery drainage of foundation pit structure and its construction method, is related to piping lane technical field of construction.The piping lane drainage of foundation pit structure includes ground and foundation pit, the left side of the foundation pit is the first side slope and row's cast-in-place concrete pile from top to bottom, the stake top of the cast-in-place concrete pile is equipped with Guan Liang, the right of the foundation pit is third side slope and the second side slope from top to bottom, the bottom pouring of the foundation pit has the first concrete cushion of twice and the second concrete cushion, preset clearance forms twice drainage of foundation pit ditch between first concrete cushion and the second concrete cushion, and the drainage of foundation pit ditch is equidistant to be equipped with several sumps;The ground of the foundation pit both sides is equipped with twice top of the slope gutter along piping lane trend.Of the present invention simple in structure for Urban Underground pipe gallery drainage of foundation pit, drainage efficiency is high, ensure that piping lane foundation pit construction Environmental security;The construction method simplicity construction efficiency of the discharge structure, shortens the piping lane construction period.

Description

One kind being used for Urban Underground pipe gallery drainage of foundation pit structure and its construction method
Technical field
The present invention relates to piping lane technical field of construction, more particularly to one kind being used for Urban Underground pipe gallery drainage of foundation pit knot Structure and its construction method.
Background technology
China's underground pipe gallery is gradually obtained achieving fast development, the importance of underground pipe gallery in recent years The approval in more and more cities, underground pipe gallery have become the indispensable mating urban operating mechanism in city.Underground integrated pipe Corridor usually build underground 8m or so in, and Urban Underground pipe gallery mileage number is long, and piping lane master is excavated to from piping lane pit earthwork Body formed to need by longer time, especially in rainy season, if piping lane foundation pit cannot form unobstructed drainage system, rainwater exists Aggregation in piping lane foundation pit, does not simply fail to normal construction, and piping lane foundation pit is even had the risk caved in by long period of soaking.Therefore this hair Bright proposition is a kind of to be used for Urban Underground pipe gallery drainage of foundation pit structure and its construction method.
Invention content
Above-mentioned in order to solve the problems, such as, the present invention proposes a kind of for Urban Underground pipe gallery drainage of foundation pit structure And its water flowed into piping lane foundation pit can be gathered in collection by construction method, the piping lane drainage of foundation pit structure by drainage of foundation pit ditch In well, then top of the slope gutter drained into through water by the water pump in sump, then flows into municipal drainage system, it is simple in structure, Drainage efficiency is high, ensure that the safety of piping lane foundation pit construction environment.
To achieve the goals above, the present invention uses following scheme:
It is a kind of for Urban Underground pipe gallery drainage of foundation pit structure, including ground and base it is an object of the invention to propose The left side in hole, the foundation pit is the first side slope and row's cast-in-place concrete pile, the stake top of the cast-in-place concrete pile from top to bottom Equipped with Guan Liang, the right of the foundation pit is third side slope and the second side slope from top to bottom, and the bottom pouring of the foundation pit has twice First concrete cushion and the second concrete cushion, preset clearance between first concrete cushion and the second concrete cushion Twice drainage of foundation pit ditch is formed, the drainage of foundation pit ditch is equidistant to be equipped with several sumps;The ground of the foundation pit both sides is along pipe Corridor trend is equipped with twice top of the slope gutter.
Preferably, the surface of first side slope, the second side slope and third side slope is equipped with expanded metal lath, and the concrete fills It is hung with expanded metal lath on the right side of note stake, concrete layer is injected on the expanded metal lath.
Preferably, a diameter of 800mm of the sump is highly 500mm;Spacing of the sump along piping lane direction For 30m~50m.
Preferably, uncovered drum, the upper end-face edge and the first concrete mats of the uncovered drum are placed in the sump Gap cement mortar between layer and the second concrete cushion fills and looks for slope;
Preferably, the width of the drainage of foundation pit ditch is 500mm, the bottom pouring 5mm solid cements of the drainage of foundation pit ditch Mortar.
Preferably, the thickness of first concrete cushion is 50mm, and the thickness of second concrete cushion is 100mm。
Preferably, the top of the slope gutter is connected to municipal drainage system, and the sump is connected to top of the slope by drainpipe and arranges Ditch.
Another object of the present invention is to propose a kind of construction party for Urban Underground pipe gallery drainage of foundation pit structure Method carries out according to the following steps:
Step 1:According to piping lane construction requirement, line setting is carried out to piping lane foundation pit position on the ground, then utilizes machine Tool digs out first layer piping lane pit earthwork, forms the first side slope and the second side slope;
Step 2:First layer piping lane foundation pit bottom left construct cast-in-place concrete pile, then stake top construct Guan Liang, It recycles machinery to dig out second layer piping lane pit earthwork, forms third side slope;
Step 3:It is laid with expanded metal lath on the surface of first side slope, the second side slope and third side slope, in the concrete It is hung with expanded metal lath on the right side of bored concrete pile, is then injected with concrete on the expanded metal lath;
Step 4:Ground upper edge piping lane trend in foundation pit both sides digs out top of the slope gutter, and by top of the slope gutter and city Political affairs drainage system is connected to, and then digs out two rows of sumps in bottom of foundation ditch, and uncovered drum is placed in sump;
Step 5:It constructs among bottom of foundation ditch the second concrete cushion, is then applied in the both sides of the second concrete cushion The first concrete cushion of work forms the foundation pit for being connected to each sump between the first concrete cushion and the second concrete cushion Gutter;
Step 6:In the bottom pouring cement mortar back cover of drainage of foundation pit ditch, then on the uncovered drum in sump Gap cement mortar between end margin and the first concrete cushion and the second concrete cushion fills and looks for slope;
Step 7:Water pump is placed in the uncovered drum in sump, then drainpipe is utilized to arrange sump and top of the slope Ditch is connected to.
The advantage of the invention is that:When rainwater falls into or flows into piping lane foundation pit, row that rainwater passes through bottom of foundation ditch both sides Ditch aggregation flows into sump, then drains into top of the slope gutter through water by the water pump in sump, then flows into municipal drainage System;Of the present invention simple in structure for Urban Underground pipe gallery drainage of foundation pit, drainage efficiency is high, ensure that piping lane foundation pit The safety of construction environment;It is of the present invention be used for Urban Underground pipe gallery drainage of foundation pit structure construction when, drainage of foundation pit ditch is not It must excavate to be formed, but be formed by the gap between the first concrete cushion and the second concrete cushion, improve work effect Rate;The sump is directly placed into uncovered cylinder and carries out inner wall sealing after excavating, sump is avoided to cave in, easy construction, to It improves work efficiency, shortens the piping lane construction period.
Description of the drawings
Fig. 1 is the schematic cross-section of the present invention for Urban Underground pipe gallery drainage of foundation pit structure.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can be more clear The understanding of Chu, as shown in Figure 1, the present invention uses following scheme, including ground 1 and foundation pit 2, the left side of the foundation pit 2 from upper and It is the first side slope 3 and row's cast-in-place concrete pile 4 down, the stake top of the cast-in-place concrete pile 4 is equipped with Guan Liang 5, the foundation pit 2 The right is third side slope 7 and the second side slope 6 from top to bottom, and the bottom pouring of the foundation pit 2 has 9 He of the first concrete cushion of twice Second concrete cushion 10, preset clearance forms twice base between first concrete cushion, 9 and second concrete cushion 10 Gutter 12 is cheated, the drainage of foundation pit ditch 12 is equidistant to be equipped with several sumps 11;The ground 1 of 2 both sides of the foundation pit is along piping lane Trend is equipped with twice top of the slope gutter 8.
The surface of first side slope 3, the second side slope 6 and third side slope 7 is equipped with expanded metal lath, the cast-in-place concrete pile 4 right side is hung with expanded metal lath, and concrete layer is injected on the expanded metal lath.A diameter of 800mm of the sump 11, height For 500mm;Spacing of the sump 11 along piping lane direction is 30m~50m.Uncovered drum, institute are placed in the sump 11 The gap stated between the upper end-face edge of uncovered drum and the first concrete cushion 9 and the second concrete cushion 10 is filled out with cement mortar It fills and looks for slope;The width of the drainage of foundation pit ditch 12 is 500mm, the bottom pouring 5mm solid cement sand of the drainage of foundation pit ditch 12 Slurry.The thickness of first concrete cushion 9 is 50mm, and the thickness of second concrete cushion 10 is 100mm.The top of the slope Gutter 8 is connected to municipal drainage system, and the sump 11 is connected to top of the slope gutter 8 by drainpipe.
The above-mentioned construction method for Urban Underground pipe gallery drainage of foundation pit structure carries out according to the following steps:
Step 1:According to piping lane construction requirement, line setting is carried out to 1 position of piping lane foundation pit on ground 1, is then utilized Machinery digs out 1 cubic metre of earth of first layer piping lane foundation pit, forms the first side slope 3 and the second side slope 6;
Step 2:In the bottom left construction cast-in-place concrete pile 4 of first layer piping lane foundation pit 1, then constructs and be preced in stake top Beam 5 recycles machinery to dig out 1 cubic metre of earth of second layer piping lane foundation pit, forms third side slope 7;
Step 3:It is laid with expanded metal lath on the surface of first side slope 3, the second side slope 6 and third side slope 7, described mixed The right side of solidifying soil bored concrete pile 4 is hung with expanded metal lath, is then injected with concrete on the expanded metal lath;
Step 4:Ground 1 upper edge piping lane trend in 2 both sides of foundation pit digs out top of the slope gutter 8, and by top of the slope gutter 8 It is connected to municipal drainage system, then digs out two rows of sumps 11 in 2 bottom of foundation pit, and place uncovered circle in sump 11 Bucket;
Step 5:It constructs among 2 bottom of foundation pit the second concrete cushion 10, then the two of the second concrete cushion 10 The first concrete cushion 9 of side construction, forms between the first concrete cushion 9 and the second concrete cushion 10 by each sump 11 The drainage of foundation pit ditch 12 of connection;
Step 6:In the bottom pouring cement mortar back cover of drainage of foundation pit ditch 12, then the uncovered in sump 11 is justified Gap cement mortar between bucket upper end-face edge and the first concrete cushion 9 and the second concrete cushion 10 fills and looks for slope;
Step 7:Water pump is placed in the uncovered drum in sump 11, then utilizes drainpipe by sump 11 and slope Top row ditch 8 is connected to.
When rainwater falls into or flow into piping lane foundation pit, rainwater flows into sump by the gutter aggregation on bottom of foundation ditch both sides In, then top of the slope gutter drained into through water by the water pump in sump, then flow into municipal drainage system;It is of the present invention to be used for Urban Underground pipe gallery drainage of foundation pit is simple in structure, and drainage efficiency is high, ensure that the safety of piping lane foundation pit construction environment;This hair When being used for Urban Underground pipe gallery drainage of foundation pit structure construction described in bright, drainage of foundation pit ditch need not excavate to be formed, but pass through Gap between first concrete cushion and the second concrete cushion is formed, and is improved work efficiency;After the sump excavates It is directly placed into uncovered cylinder and carries out inner wall sealing, sump is avoided to cave in, easy construction shortens to improve work efficiency Piping lane construction period.

Claims (8)

1. one kind being used for Urban Underground pipe gallery drainage of foundation pit structure, including ground (1) and foundation pit (2), it is characterised in that:Institute The left side for stating foundation pit (2) is the first side slope (3) and row's cast-in-place concrete pile (4), the cast-in-place concrete pile (4) from top to bottom Stake top be equipped with Guan Liang (5), the right of the foundation pit (2) is third side slope (7) and the second side slope (6), the base from top to bottom The bottom pouring in hole (2) has the first concrete cushion of twice (9) and the second concrete cushion (10), first concrete cushion (9) preset clearance forms twice drainage of foundation pit ditch (12), the drainage of foundation pit ditch (12) between the second concrete cushion (10) It is equidistant to be equipped with several sumps (11);The ground (1) of foundation pit (2) both sides is equipped with twice top of the slope gutter along piping lane trend (8)。
2. being used for Urban Underground pipe gallery drainage of foundation pit structure according to claim 1, it is characterised in that:First side The surface on slope (3), the second side slope (6) and third side slope (7) is equipped with expanded metal lath, and the right side of the cast-in-place concrete pile (4) is outstanding Expanded metal lath is hung with, concrete layer is injected on the expanded metal lath.
3. being used for Urban Underground pipe gallery drainage of foundation pit structure according to claim 1, it is characterised in that:The sump (11) a diameter of 800mm is highly 500mm;Spacing of the sump (11) along piping lane direction is 30m~50m.
4. being used for Urban Underground pipe gallery drainage of foundation pit structure according to claim 1, it is characterised in that:The sump (11) uncovered drum, the upper end-face edge and the first concrete cushion (9) of the uncovered drum and the second concrete cushion are placed in (10) the gap cement mortar between fills and looks for slope.
5. being used for Urban Underground pipe gallery drainage of foundation pit structure according to claim 1, it is characterised in that:The foundation pit row The width in ditch (12) is 500mm, the bottom pouring 5mm solid cement mortars of the drainage of foundation pit ditch (12).
6. being used for Urban Underground pipe gallery drainage of foundation pit structure according to claim 1, it is characterised in that:Described first is mixed The thickness of solidifying soil padding (9) is 50mm, and the thickness of second concrete cushion (10) is 100mm.
7. being used for Urban Underground pipe gallery drainage of foundation pit structure according to claim 1, it is characterised in that:The top of the slope row Ditch (8) is connected to municipal drainage system, and the sump (11) is connected to top of the slope gutter (8) by drainpipe.
8. a kind of construction method being used for Urban Underground pipe gallery drainage of foundation pit structure as described in claim 1~7, feature It is, carries out according to the following steps:
Step 1:According to piping lane construction requirement, line setting is carried out to piping lane foundation pit (1) position on ground (1), is then utilized Machinery digs out first layer piping lane foundation pit (1) earthwork, forms the first side slope (3) and the second side slope (6);
Step 2:In the bottom left construction cast-in-place concrete pile (4) of first layer piping lane foundation pit (1), then constructs and be preced in stake top Beam (5) recycles machinery to dig out second layer piping lane foundation pit (1) earthwork, forms third side slope (7);
Step 3:It is laid with expanded metal lath on the surface of first side slope (3), the second side slope (6) and third side slope (7), described Cast-in-place concrete pile is hung with expanded metal lath on the right side of (4), is then injected with concrete on the expanded metal lath;
Step 4:Ground (1) upper edge piping lane trend in foundation pit (2) both sides digs out top of the slope gutter (8), and by top of the slope gutter (8) it is connected to municipal drainage system, then digs out two rows of sumps (11) in foundation pit (2) bottom, and put in sump (11) Set uncovered drum;
Step 5:The second concrete cushion of construction (10) among foundation pit (2) bottom, then in the second concrete cushion (10) Both sides the first concrete cushion of construction (9), being formed between the first concrete cushion (9) and the second concrete cushion (10) will be each The drainage of foundation pit ditch (12) of sump (11) connection;
Step 6:In the bottom pouring cement mortar back cover of drainage of foundation pit ditch (12), then the uncovered in sump (11) is justified Gap cement mortar between bucket upper end-face edge and the first concrete cushion (9) and the second concrete cushion (10) is filled and is looked for Slope;
Step 7:Water pump is being placed in the uncovered drum of sump (11), then utilizes drainpipe by sump (11) and slope Top row ditch (8) is connected to.
CN201810640958.5A 2018-06-21 2018-06-21 One kind being used for Urban Underground pipe gallery drainage of foundation pit structure and its construction method Pending CN108797618A (en)

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CN111172935A (en) * 2020-01-03 2020-05-19 安徽省水利水电勘测设计研究总院有限公司 Water bank line slope protection beneficial to survival of plants
CN111379273A (en) * 2018-12-29 2020-07-07 中冶京诚工程技术有限公司 Construction method of corrugated steel comprehensive pipe gallery

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111379273A (en) * 2018-12-29 2020-07-07 中冶京诚工程技术有限公司 Construction method of corrugated steel comprehensive pipe gallery
CN111172935A (en) * 2020-01-03 2020-05-19 安徽省水利水电勘测设计研究总院有限公司 Water bank line slope protection beneficial to survival of plants

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Application publication date: 20181113