CN109440773A - A kind of foundation pit canopy-protected system and its construction method - Google Patents
A kind of foundation pit canopy-protected system and its construction method Download PDFInfo
- Publication number
- CN109440773A CN109440773A CN201811588866.3A CN201811588866A CN109440773A CN 109440773 A CN109440773 A CN 109440773A CN 201811588866 A CN201811588866 A CN 201811588866A CN 109440773 A CN109440773 A CN 109440773A
- Authority
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- China
- Prior art keywords
- foundation pit
- mesh screen
- canopy
- dense mesh
- protected system
- Prior art date
- 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.)
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002689 soil Substances 0.000 abstract description 10
- 239000011236 particulate material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
In order to guarantee in airport restricted area work progress, especially carry on construction work at night after withdrawing from the arena, daytime airport normal use, the present invention provides a kind of foundation pit canopy-protected system and its construction method.A kind of foundation pit canopy-protected system is connect with Dense mesh screen respectively including several fixed devices being distributed in the purlin around foundation pit and the Dense mesh screen being layed in above foundation pit, the fixed device.A kind of foundation pit canopy-protected system of the invention is laid with Dense mesh screen above foundation pit, and is secured firmly to be distributed on the fixation device around foundation pit in purlin by Dense mesh screen using fixed device.In this way, soil body loose particulate material can be stopped by Dense mesh screen, it is therefore prevented that aircraft is involved in sucking engine, to can also construct for forbidden zone daytime while ensure that the normal use on airport on daytime and provide closed foundation pit operating environment.
Description
Technical field
The invention belongs to civil construction project technical field of construction, in particular to a kind of foundation pit canopy-protected system and its apply
Work method.
Background technique
Currently, airport portfolio is increasing, and then airport reconstruction and extension project with the continuous propulsion of globalization process
It is more and more.In order to guarantee the normal operation on airport, construct for the forbidden zone in the safe distances such as taxiway, runway, it is special
It is not the construction of foundation pit, is generally carried out in the finite time after night suspends.
The excavation of forbidden zone foundation pit easily causes the disturbance of surrounding soil, forms soil body loose particulate material.Soil body discrete particles
Object is exposed in outdoor construction site, it is possible to which the aircraft being run is involved in sucking engine, causes great security risk.
Therefore, in order to guarantee to carry on construction work at night withdraw from the arena after daytime airport normal use, need to take foundation pit certain screening
Lid safeguard procedures.
Summary of the invention
In order to guarantee in airport restricted area work progress, especially carry on construction work at night after withdrawing from the arena, daytime airport normal use, this
Invention provides a kind of foundation pit canopy-protected system and its construction method.
A kind of technical solution of foundation pit canopy-protected system of the invention is as follows:
A kind of foundation pit canopy-protected system, including several fixed devices, the Yi Jipu being distributed in the purlin around foundation pit
Dense mesh screen above foundation pit, the fixed device are connect with Dense mesh screen respectively.
A kind of foundation pit canopy-protected system of the invention is laid with Dense mesh screen above foundation pit, and will be close using fixed device
Mesh net is secured firmly to be distributed on the fixation device around foundation pit in purlin.In this way, soil body loose particulate material is by can be close
Mesh net stops, it is therefore prevented that and aircraft is involved in sucking engine, thus while ensure that the normal use on airport on daytime,
It can construct for forbidden zone daytime and closed foundation pit operating environment is provided.
Further, in the foundation pit canopy-protected system, in order to preferably fix Dense mesh screen, the fixed device also divides
Cloth is on the concrete support being set on foundation pit.
Further, in the foundation pit canopy-protected system, in order to keep Dense mesh screen as far as possible in one plane, more preferably
Support Dense mesh screen, wire rope net is arranged in the lower section of the Dense mesh screen, and the fixed device is connect with wire rope net respectively.
Further, in the foundation pit canopy-protected system, in order to ensure the rated wind velocity of Dense mesh screen, prevent Dense mesh screen by
Wind pressure hikes up, and net is chosen in the setting of the top of the Dense mesh screen, the fixed device respectively with choose net connection.
Further, in the foundation pit canopy-protected system, to facilitate installation, the fixed device is pre-buried hook,
The root of the pre-buried hook is embedded in purlin.
Further, in the foundation pit canopy-protected system, in order to reduce influence of the environment to foundation pit canopy-protected system,
Foundation pit canopy-protected system is improved to the interdiction capability of soil body loose particulate material, several fixed devices are set to a plane
In, the plane where several fixed devices is parallel with the plane where the upper surface of purlin, and the Dense mesh screen is set to one and puts down
In face, plane where Dense mesh screen is parallel with the plane where the upper surface of purlin.
The present invention also provides a kind of construction methods of above-mentioned foundation pit canopy-protected system.
The technical solution of the construction method of foundation pit canopy-protected system of the invention is as follows, includes the following steps:
Wire rope net is layed in above foundation pit by the first step, and by the purlin and foundation pit around wire rope net and foundation pit
Concrete support on several fixed devices connections for being distributed；
Dense mesh screen is layed in above wire rope net, and Dense mesh screen is connect with several fixed devices by second step；
Third step will choose net laying above Dense mesh screen, and will choose net and connect with several fixed devices.
A kind of construction method of foundation pit canopy-protected system of the invention is laid with Dense mesh screen above foundation pit, and using solid
Determine device to be secured firmly to be distributed on the fixation device around foundation pit in purlin by Dense mesh screen.In this way, soil body loose particulate material
It can be stopped by Dense mesh screen, it is therefore prevented that aircraft is involved in sucking engine, thus ensure that normally making for airport on daytime
With while, also can for forbidden zone daytime construct closed foundation pit operating environment be provided.In addition, the wire rope net below Dense mesh screen
It is able to maintain Dense mesh screen in one plane, the net of choosing above Dense mesh screen can effectively prevent Dense mesh screen and be hiked up by wind pressure.
Further, in the construction method of the foundation pit canopy-protected system, in order to preferably guarantee the flat of wire rope net
Whole degree, so that Dense mesh screen be made to be able to maintain in one plane, in the first step, the wirerope of wire rope net is set by opposite in purlin
The fixation device set carries out that fixation is straightened, and the wirerope of wire rope net is vertical two-by-two, is set to above foundation pit.
Detailed description of the invention
Fig. 1 is a kind of top view of foundation pit canopy-protected system of the invention；
Fig. 2 is a kind of schematic diagram of foundation pit canopy-protected system of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.According to following explanation, the present invention
The advantages of and feature will become apparent from.It should be noted that attached drawing is all made of very simplified form and uses non-accurate ratio,
Only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
Embodiment:
Referring to figs. 1 to Fig. 2, a kind of foundation pit canopy-protected system provided in this embodiment, including being distributed in around foundation pit
Several fixed devices 2 in purlin 1 and the Dense mesh screen 4 being layed in above foundation pit, the fixed device 2 respectively with Dense mesh screen 4
Connection.Itself pore size of Dense mesh screen 4 will meet airport and allow to provide.
A kind of foundation pit canopy-protected system of the present embodiment is laid with Dense mesh screen 4 above foundation pit, and using fixed device 2
Dense mesh screen 4 is secured firmly to be distributed on the fixation device 2 around foundation pit in purlin 1.In this way, soil body loose particulate material is by just
It can be stopped by Dense mesh screen 4, it is therefore prevented that aircraft is involved in sucking engine, thus ensure that the normal use on airport on daytime
Meanwhile it can also construct for forbidden zone daytime and closed foundation pit operating environment is provided.
It is described in order to preferably fix Dense mesh screen 4 in the foundation pit canopy-protected system as preferable embodiment
Fixed device 2 is also distributed on the concrete support 6 being set on foundation pit.
As preferable embodiment, in the foundation pit canopy-protected system, in order to make Dense mesh screen 4 be maintained at one as far as possible
In plane, preferably support Dense mesh screen 4, the lower section of the Dense mesh screen 4 is arranged wire rope net 3, the fixed device 2 respectively with steel
Cord net 3 connects.Itself pulling force of the wirerope of wire rope net 3 should be less than its own allowable tensile stress, and cannot be greater than solid
Determine the withdrawal resistance of device 2, guarantees the normal work of wire rope net 3 and fixed device 2.
Dense mesh screen 4 is prevented to be hiked up by wind pressure, institute in order to ensure the rated wind velocity of Dense mesh screen 4 as preferable embodiment
Net 5 is chosen in the top setting for stating Dense mesh screen 4, the fixed device 2 respectively with choose net 5 and connect.
As preferable embodiment, in the foundation pit canopy-protected system, to facilitate installation, the fixed device 2
Root for pre-buried hook, the pre-buried hook is embedded in purlin 1.After pre-buried hook needs purlin 1 to reach design strength, side
Can by wire rope net 3, Dense mesh screen 4, choose net 5 by this it is pre-buried hook be fixed in purlin 1.The self-strength of pre-buried hook and just
Degree needs to meet wire rope net 3, Dense mesh screen 4, the pulling tension requirements for choosing net 5, and to have certain surplus capacity, to meet subsequent fly
Machine operation generates the tension variations increment that air-flow pulls the system to generate.
As preferable embodiment, in the foundation pit canopy-protected system, in order to reduce environment to foundation pit canopy-protected
The influence of system improves foundation pit canopy-protected system to the interdiction capability of soil body loose particulate material, and several fixed devices 2 are set
It is placed in a plane, the plane where several fixed devices 2 is parallel with the plane where the upper surface of purlin 1, the close mesh
Net 4 is set in a plane, and 4 place plane of Dense mesh screen is parallel with the plane where the upper surface of purlin 1.
Alternatively, it is also possible to along 6 longitudinal direction of concrete support compacting weight it is online in side, prevent discrete particles beyond the region of objective existence
Leakage.
Embodiment 2:
The present embodiment provides a kind of construction methods of foundation pit canopy-protected system described in embodiment 1.
The technical solution of the construction method of the foundation pit canopy-protected system of the present embodiment is as follows, includes the following steps:
Wire rope net 3 is layed in above foundation pit by the first step, and by the purlin 1 and base around wire rope net 3 and foundation pit
Several fixed devices 2 being distributed on the concrete support 6 in hole connect；
Dense mesh screen 4 is layed in 3 top of wire rope net, and Dense mesh screen 4 is connect with several fixed devices 2 by second step；
Third step will choose net 5 and be layed in 4 top of Dense mesh screen, and will choose net 5 and connect with several fixed devices 2.
A kind of construction method of foundation pit canopy-protected system of the present embodiment is laid with Dense mesh screen 4 above foundation pit, and uses
Dense mesh screen 4 is secured firmly to be distributed on the fixation device 2 around foundation pit in purlin 1 by fixed device 2.In this way, the soil body is loose
Particulate matter is by can be by Dense mesh screen 4) it blocks, it is therefore prevented that aircraft is involved in sucking engine, thus ensure that airport on daytime
While normal use, it can also construct for forbidden zone daytime and closed foundation pit operating environment is provided.In addition, 4 lower section of Dense mesh screen
Wire rope net 3 is able to maintain Dense mesh screen 4 in one plane, and the net 5 of choosing of 4 top of Dense mesh screen can effectively prevent 4 wind-engaging of Dense mesh screen
Pressure hikes up.
As preferable embodiment, in the construction method of the foundation pit canopy-protected system, in order to preferably guarantee steel
The flatness of cord net 3, so that Dense mesh screen 4 be made to be able to maintain in one plane, in the first step, the wirerope of wire rope net 3 is logical
It crosses the fixation device 2 being oppositely arranged in purlin 1 to carry out that fixation is straightened, the wirerope of wire rope net 3 is vertical two-by-two, is set to foundation pit
Top.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (8)
1. a kind of foundation pit canopy-protected system, which is characterized in that including several fixations in the purlin (1) that is distributed in around foundation pit
Device (2) and the Dense mesh screen (4) being layed in above foundation pit, the fixed device (2) connect with Dense mesh screen (4) respectively.
2. foundation pit canopy-protected system as described in claim 1, which is characterized in that the fixed device (2), which is also distributed in, to be set
It is placed on the concrete support on foundation pit (6).
3. foundation pit canopy-protected system as described in claim 1, which is characterized in that steel is arranged in the lower section of the Dense mesh screen (4)
Cord net (3), the fixed device (2) connect with wire rope net (3) respectively.
4. foundation pit canopy-protected system as described in claim 1, which is characterized in that the top setting of the Dense mesh screen (4) is chosen
Net (5), the fixed device (2) respectively with choose net (5) and connect.
5. foundation pit canopy-protected system as described in claim 1, which is characterized in that the fixed device (2) is pre-buried hook,
The root of the pre-buried hook is embedded in purlin (1).
6. foundation pit canopy-protected system as described in claim 1, which is characterized in that several fixed devices (2) are set to
In one plane, the plane where several fixed devices (2) is parallel with the plane where the upper surface of purlin (1), the close mesh
Net (4) is set in a plane, and plane where Dense mesh screen (4) is parallel with the plane where the upper surface of purlin (1).
7. a kind of construction method of foundation pit canopy-protected system, which comprises the steps of:
Wire rope net (3) is layed in above foundation pit by the first step, and by around wire rope net (3) and foundation pit purlin (1) and
Several fixed device (2) connections being distributed on the concrete support (6) of foundation pit；
Dense mesh screen (4) is layed in above wire rope net (3) by second step, and even by Dense mesh screen (4) and several fixed devices (2)
It connects；
Third step will be chosen net (5) and be layed in above Dense mesh screen (4), and will choose net (5) and connect with several fixed devices (2).
8. the construction method of foundation pit canopy-protected system as claimed in claim 7, which is characterized in that in the first step, wirerope
The wirerope of net (3) by the fixation device (2) being oppositely arranged on purlin (1) carries out that fixation, the steel wire of wire rope net (3) is straightened
It restricts vertical two-by-two, is set to above foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588866.3A CN109440773A (en) | 2018-12-25 | 2018-12-25 | A kind of foundation pit canopy-protected system and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588866.3A CN109440773A (en) | 2018-12-25 | 2018-12-25 | A kind of foundation pit canopy-protected system and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109440773A true CN109440773A (en) | 2019-03-08 |
Family
ID=65535353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811588866.3A Pending CN109440773A (en) | 2018-12-25 | 2018-12-25 | A kind of foundation pit canopy-protected system and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109440773A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323814A (en) * | 2020-11-10 | 2021-02-05 | 台州和源建设有限公司 | Municipal administration foundation ditch concrete face protection system |
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|---|---|---|---|---|
| CN205352227U (en) * | 2015-12-18 | 2016-06-29 | 上海建工七建集团有限公司 | Safety protection support body |
| KR101731484B1 (en) * | 2016-11-16 | 2017-05-11 | 권창희 | Dust net installation structure |
| CN207314895U (en) * | 2017-09-25 | 2018-05-04 | 中建一局集团第三建筑有限公司 | Building outer wall opening full-closed system |
| CN207775894U (en) * | 2017-11-02 | 2018-08-28 | 中国建筑第八工程局有限公司 | It can turnover type foundation pit dustproof network structure |
| CN108756262A (en) * | 2018-07-06 | 2018-11-06 | 上海宝冶集团有限公司 | A kind of foundation pit large span covers system automatically |
| CN209798761U (en) * | 2018-12-25 | 2019-12-17 | 上海建工七建集团有限公司 | Foundation pit covering protection system |
-
2018
- 2018-12-25 CN CN201811588866.3A patent/CN109440773A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205352227U (en) * | 2015-12-18 | 2016-06-29 | 上海建工七建集团有限公司 | Safety protection support body |
| KR101731484B1 (en) * | 2016-11-16 | 2017-05-11 | 권창희 | Dust net installation structure |
| CN207314895U (en) * | 2017-09-25 | 2018-05-04 | 中建一局集团第三建筑有限公司 | Building outer wall opening full-closed system |
| CN207775894U (en) * | 2017-11-02 | 2018-08-28 | 中国建筑第八工程局有限公司 | It can turnover type foundation pit dustproof network structure |
| CN108756262A (en) * | 2018-07-06 | 2018-11-06 | 上海宝冶集团有限公司 | A kind of foundation pit large span covers system automatically |
| CN209798761U (en) * | 2018-12-25 | 2019-12-17 | 上海建工七建集团有限公司 | Foundation pit covering protection system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323814A (en) * | 2020-11-10 | 2021-02-05 | 台州和源建设有限公司 | Municipal administration foundation ditch concrete face protection system |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190308 |
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