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 PDFInfo
- 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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- Prior art keywords
- foundation pit
- drainage
- slope
- concrete cushion
- piping lane
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Classifications
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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
- E02D19/08—Restraining of underground water by employing open ditches arranged below the level of the water
-
- 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
- E02D19/22—Lining sumps in trenches or other foundation pits
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
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
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.
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110374127A (en) * | 2019-07-31 | 2019-10-25 | 中国三冶集团有限公司 | A kind of huge foundation construction of bottom plates method and constructing structure |
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 |
CN112647525A (en) * | 2021-01-14 | 2021-04-13 | 中国建筑第八工程局有限公司 | Urban underground comprehensive pipe gallery open cut foundation pit drainage device |
CN114232662A (en) * | 2021-11-09 | 2022-03-25 | 北京城建集团有限责任公司 | Building site rain sewage drainage method and system |
CN114351728A (en) * | 2021-12-21 | 2022-04-15 | 中建八局第二建设有限公司 | Solidified soil stirring field and construction method for backfilling solidified soil in narrow high backfilling area |
CN115653005A (en) * | 2022-11-15 | 2023-01-31 | 中国建筑第二工程局有限公司 | Construction method of high-permeability underground inspection well |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201288319Y (en) * | 2008-09-27 | 2009-08-12 | 上海勘测设计研究院 | Pavement structure of fense plate |
KR20140078395A (en) * | 2012-12-17 | 2014-06-25 | 한국철도기술연구원 | Anchored retaining wall of gravity block type, and constructing method for the same |
CN205314118U (en) * | 2016-01-15 | 2016-06-15 | 中国化学工程第七建设有限公司 | Drainage system on large -scale basis |
CN106120831A (en) * | 2016-08-06 | 2016-11-16 | 安徽华力建设集团有限公司 | A kind of building automation drainage system and construction method |
CN206359989U (en) * | 2016-11-24 | 2017-07-28 | 中建五局土木工程有限公司 | Substrate local dewatering drainage arrangement |
CN108005085A (en) * | 2017-12-04 | 2018-05-08 | 广东中南建设有限公司 | Foundation pit supporting construction and its construction method |
-
2018
- 2018-06-21 CN CN201810640958.5A patent/CN108797618A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201288319Y (en) * | 2008-09-27 | 2009-08-12 | 上海勘测设计研究院 | Pavement structure of fense plate |
KR20140078395A (en) * | 2012-12-17 | 2014-06-25 | 한국철도기술연구원 | Anchored retaining wall of gravity block type, and constructing method for the same |
CN205314118U (en) * | 2016-01-15 | 2016-06-15 | 中国化学工程第七建设有限公司 | Drainage system on large -scale basis |
CN106120831A (en) * | 2016-08-06 | 2016-11-16 | 安徽华力建设集团有限公司 | A kind of building automation drainage system and construction method |
CN206359989U (en) * | 2016-11-24 | 2017-07-28 | 中建五局土木工程有限公司 | Substrate local dewatering drainage arrangement |
CN108005085A (en) * | 2017-12-04 | 2018-05-08 | 广东中南建设有限公司 | Foundation pit supporting construction and its construction method |
Non-Patent Citations (3)
Title |
---|
叶洪东等: "《基础工程》", 31 May 2013, 械工业出版社 * |
杨熙: ""大型地下建筑物深基坑土方开挖施工技术"", 《建筑施工》 * |
郭庆阳等: "《建筑施工组织 第二版》", 28 February 2014, 中国电力出版社 * |
Cited By (9)
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 |
CN110374127A (en) * | 2019-07-31 | 2019-10-25 | 中国三冶集团有限公司 | A kind of huge foundation construction of bottom plates method and constructing structure |
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 |
CN112647525A (en) * | 2021-01-14 | 2021-04-13 | 中国建筑第八工程局有限公司 | Urban underground comprehensive pipe gallery open cut foundation pit drainage device |
CN114232662A (en) * | 2021-11-09 | 2022-03-25 | 北京城建集团有限责任公司 | Building site rain sewage drainage method and system |
CN114232662B (en) * | 2021-11-09 | 2024-01-09 | 北京城建集团有限责任公司 | Building site rain and sewage drainage method and system |
CN114351728A (en) * | 2021-12-21 | 2022-04-15 | 中建八局第二建设有限公司 | Solidified soil stirring field and construction method for backfilling solidified soil in narrow high backfilling area |
CN115653005A (en) * | 2022-11-15 | 2023-01-31 | 中国建筑第二工程局有限公司 | Construction method of high-permeability underground inspection well |
CN115653005B (en) * | 2022-11-15 | 2024-05-14 | 中国建筑第二工程局有限公司 | Construction method of high permeable layer underground inspection well |
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Application publication date: 20181113 |