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CN104653228A - Shallow underground excavation tunnel temporary support detaching equipment and method - Google Patents

Shallow underground excavation tunnel temporary support detaching equipment and method Download PDF

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Publication number
CN104653228A
CN104653228A CN201510025205.XA CN201510025205A CN104653228A CN 104653228 A CN104653228 A CN 104653228A CN 201510025205 A CN201510025205 A CN 201510025205A CN 104653228 A CN104653228 A CN 104653228A
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CN
China
Prior art keywords
steel pipe
shallow
scaffold
excavation tunnel
depth
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.)
Pending
Application number
CN201510025205.XA
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Chinese (zh)
Inventor
卢春林
赵春华
赵军
王越辉
邓建林
田精斐
张国伟
周霄
陈昌连
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Individual
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Individual
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Publication date
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Priority to CN201510025205.XA priority Critical patent/CN104653228A/en
Publication of CN104653228A publication Critical patent/CN104653228A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

The invention discloses shallow underground excavation tunnel temporary support detaching equipment and a shallow underground excavation tunnel temporary support detaching method. The equipment mainly comprises a steel pipe scaffold, a diagonal member, a guardrail, a sweeping rod, a vertical median septum, an inverted arch refilling layer and an auxiliary wood plate, wherein the steel pipe scaffold is arranged at the upper end of large-span shallow underground excavation tunnel construction equipment; the diagonal member is arranged at the lower end of the steel pipe scaffold; the guardrail is arranged around the outside of the steel pipe scaffold; the sweeping rod is arranged at the lower end of the diagonal member; the auxiliary wood plate is arranged at the upper end of the inverted arch refilling layer. The method comprises the following steps of erecting the steel pipe scaffold, detaching the vertical median septum, detaching the top layer of scaffold, detaching temporary inverted arches on the inverted arch refilling layer, and constructing secondary lining. The equipment is provided with a protecting device, so that the safety of protection is improved, the detachment procedure is simplified, and the detachment period is effectively shortened.

Description

Equipment and supporting method for dismounting are removed in a kind of shallow-depth-excavation tunnel temporary lining
Technical field
The invention belongs to the technical field of constructing tunnel, particularly relate to a kind of shallow-depth-excavation tunnel temporary lining and remove equipment and supporting method for dismounting.
Background technology
Many employing CRD methods and two side-wall pilot tunnel in shallow buried covered excavation Modelling of Tunnel Excavation in Soft Rock, these methods excavate thought based on piecemeal, and repeatedly disturbance country rock is removed in excavation and temporary lining, operation transforms complicated, operating space is little, and be unfavorable for the use of heavy mechanical equipment, construction speed is slow, long in time limit, cost is high, excavation stability and safety also poor, and temporary lining demolishing process is complicated, with duration, lack protector, safety factor is low.
At present, the temporary lining of traditional tunnel remove Apparatus and method for exist lack protector, safety is low, with duration, the problem of process complexity.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of shallow-depth-excavation tunnel temporary lining to remove Apparatus and method for, be intended to solve traditional tunnel temporary lining remove Apparatus and method for exist lack protector, safety is low, with duration, the problem of process complexity.
The embodiment of the present invention is achieved in that equipment is removed in a kind of shallow-depth-excavation tunnel temporary lining, and this equipment mainly comprises: steel pipe scaffold, diagonal member, guardrail, bar of sweeping the floor, vertical median septum, inverted arch backfill layer, auxiliary plank;
Described steel pipe scaffold is arranged on the upper end of Used in Shallow Mining Tunnel with Large Span construction equipment, described diagonal member is arranged on the lower end of steel pipe scaffold, described guardrail is arranged on the outside surrounding of steel pipe scaffold, described bar of sweeping the floor is arranged on the lower end of diagonal member, described vertical median septum is arranged on the upper center that equipment is removed in shallow-depth-excavation tunnel temporary lining, described inverted arch backfill layer is arranged on the lower end of vertical median septum, and described auxiliary plank is arranged on the upper end of inverted arch backfill layer.
Further, described diagonal member specifically adopts stainless steel tubular type, and the distance arranged between every two diagonal members is 1 meter.
Further, described guardrail specifically adopts meshy steel wire, arranges circumferential and is looped around steel pipe scaffold surrounding, improves the safety of protection.
A kind of shallow-depth-excavation tunnel temporary lining method for dismounting, the method steps flow chart comprises: set up steel pipe scaffold, remove vertical median septum, remove on top layer scaffold, inverted arch backfill layer and remove Temporary invert, apply two linings;
Described steel pipe scaffold of setting up refers to and sets up steel pipe scaffold, and setting space is 1m*1m, advance 1.2m, and every two steps arrange diagonal member, bar distance of sweeping the floor ground 15 ~ 50cm, and with working platform and guardrail;
The vertical median septum of described dismounting refers to carries out overall pulling down to vertical median septum, ensures the coast is clear;
Described dismounting top layer scaffold refers to that top layer scaffold and working platform are all removed;
Described inverted arch backfill layer is removed Temporary invert and refer to that assisting plank or simple and easy scaffold to carry out assistance in localized design constructs, remove, and cut sprayed mortar to the temporary steel support inverted arch on inverted arch backfill layer;
Described two linings that apply refer to that carrying out removing to temporary lining surface irregularities processes, and removal position fills spray concrete leveling;
Further, the metering computer measured vault sinking and periphery displacement is set in described shallow-depth-excavation tunnel temporary lining method for dismounting, after Vault settlement reduced rate, median septum of topping bar can be removed, treat that temporary lining tends towards stability, be out of shape in normal range (NR), can Temporary invert dismounting be carried out, for guaranteeing safety, temporary lining applies two linings after removing in time.
Effect gathers
Equipment is removed in shallow-depth-excavation tunnel temporary lining provided by the invention, arranges diagonal member and guardrail, improves the safety of protection; Shallow-depth-excavation tunnel temporary lining method for dismounting, removing Temporary invert by setting up on steel pipe scaffold and inverted arch backfill layer, simplifying working procedure, having saved temporary lining material, effectively shortening the dismounting cycle.Shallow-depth-excavation tunnel temporary lining is removed Apparatus and method for and is possessed protector, and safety is high, simple to operate, and the used time is short.
Accompanying drawing explanation
Fig. 1 is the structural representation of the shallow-depth-excavation tunnel temporary lining dismounting equipment that the embodiment of the present invention provides;
Fig. 2 is the flow chart of steps of the shallow-depth-excavation tunnel temporary lining method for dismounting that the embodiment of the present invention provides;
In figure: 1, steel pipe scaffold; 2, diagonal member; 3, guardrail; 4, to sweep the floor bar; 5, vertical median septum; 6, inverted arch backfill layer; 7, auxiliary plank;
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
As shown in Figure 1, equipment is removed in a kind of shallow-depth-excavation tunnel temporary lining, and this equipment mainly comprises: steel pipe scaffold 1, diagonal member 2, guardrail 3, bar 4 of sweeping the floor, vertical median septum 5, inverted arch backfill layer 6, auxiliary plank 7;
Described steel pipe scaffold 1 is arranged on the upper end of Used in Shallow Mining Tunnel with Large Span construction equipment, described diagonal member 2 is arranged on the lower end of steel pipe scaffold 1, described guardrail 3 is arranged on the outside surrounding of steel pipe scaffold 1, described bar 4 of sweeping the floor is arranged on the lower end of diagonal member 2, described vertical median septum 5 is arranged on the upper center that equipment is removed in shallow-depth-excavation tunnel temporary lining, described inverted arch backfill layer 6 is arranged on the lower end of vertical median septum 5, and described auxiliary plank 7 is arranged on the upper end of inverted arch backfill layer 6.
Further, described diagonal member 2 specifically adopts stainless steel tubular type, and the distance arranged between every two diagonal members is 1 meter.
Further, described guardrail 3 specifically adopts meshy steel wire, arranges circumferential and is looped around steel pipe scaffold 1 surrounding, improves the safety of protection.
As shown in Figure 2, a kind of shallow-depth-excavation tunnel temporary lining method for dismounting, the method steps flow chart comprises: set up steel pipe scaffold S201, remove vertical median septum S202, remove on top layer scaffold S203, inverted arch backfill layer and remove Temporary invert S204, apply two lining S205;
The described steel pipe scaffold S201 that sets up refers to and sets up steel pipe scaffold 1, and setting space is 1m*1m, advance 1.2m, and every two steps arrange diagonal member 2, arranges and sweeps the floor bar 4 apart from ground 15 ~ 50cm, and with working platform and guardrail 3;
The vertical median septum S202 of described dismounting refers to and carries out overall pulling down to vertical median septum 5, ensures the coast is clear;
Described dismounting top layer scaffold S203 refers to that top layer scaffold and working platform are all removed;
Described inverted arch backfill layer is removed Temporary invert S204 and refer to that assisting plank 7 or simple and easy scaffold to carry out assistance in localized design constructs, remove, and cut sprayed mortar to the temporary steel support inverted arch on inverted arch backfill layer 6;
The described two lining S205 that apply refer to that carrying out removing to temporary lining surface irregularities processes, and mixed soil of doubting that removal position fills spray is levelling.
Further, the metering computer measured vault sinking and periphery displacement is set in described shallow-depth-excavation tunnel temporary lining method for dismounting, after Vault settlement reduced rate, median septum of topping bar can be removed, treat that temporary lining tends towards stability, be out of shape in normal range (NR), can Temporary invert dismounting be carried out, for guaranteeing safety, temporary lining applies two linings after removing in time.
Operating principle
As shown in Figure 1, shallow-depth-excavation tunnel temporary lining dismounting equipment mainly comprises: steel pipe scaffold 1, diagonal member 2, guardrail 3, bar 4 of sweeping the floor, vertical median septum 5, inverted arch backfill layer 6, auxiliary plank 7; Shallow-depth-excavation tunnel temporary lining method for dismounting steps flow chart comprises: set up steel pipe scaffold S201, remove vertical median septum S202, remove on top layer scaffold S203, inverted arch backfill layer and remove Temporary invert S204, apply two lining S205; The described steel pipe scaffold S201 that sets up refers to and sets up steel pipe scaffold 1, and setting space is 1m*1m, advance 1.2m, and every two steps arrange diagonal member 2, arranges and sweeps the floor bar 4 apart from ground 15 ~ 50cm, and with working platform and guardrail 3; The vertical median septum S202 of described dismounting refers to and carries out overall pulling down to vertical median septum 5, ensures the coast is clear; Described dismounting top layer scaffold S203 refers to that top layer scaffold and working platform are all removed; Described inverted arch backfill layer is removed Temporary invert S204 and refer to that assisting plank 7 or simple and easy scaffold to carry out assistance in localized design constructs, remove, and cut sprayed mortar to the temporary steel support inverted arch on inverted arch backfill layer 6; The described two lining S205 that apply refer to that carrying out removing to temporary lining surface irregularities processes, and removal position fills spray concrete leveling.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (5)

1. an equipment is removed in shallow-depth-excavation tunnel temporary lining, it is characterized in that, this shallow-depth-excavation tunnel temporary lining is removed equipment and comprised: steel pipe scaffold, diagonal member, guardrail, bar of sweeping the floor, vertical median septum, inverted arch backfill layer, auxiliary plank;
Steel pipe scaffold is arranged on the upper end of Used in Shallow Mining Tunnel with Large Span construction equipment, diagonal member is arranged on the lower end of steel pipe scaffold, guardrail is arranged on the outside surrounding of steel pipe scaffold, bar of sweeping the floor is arranged on the lower end of diagonal member, vertical median septum is arranged on the upper center that equipment is removed in shallow-depth-excavation tunnel temporary lining, inverted arch backfill layer is arranged on the lower end of vertical median septum, and auxiliary plank is arranged on the upper end of inverted arch backfill layer.
2. equipment is removed in shallow-depth-excavation tunnel temporary lining as claimed in claim 1, and it is characterized in that, diagonal member specifically adopts stainless steel tubular type, and the distance arranged between every two diagonal members is 1 meter.
3. equipment is removed in shallow-depth-excavation tunnel temporary lining as claimed in claim 1, and it is characterized in that, guardrail specifically adopts meshy steel wire, arranges circumferential and is looped around steel pipe scaffold surrounding.
4. a shallow-depth-excavation tunnel temporary lining method for dismounting, it is characterized in that, this shallow-depth-excavation tunnel temporary lining method for dismounting comprises: set up steel pipe scaffold, remove vertical median septum, remove on top layer scaffold, inverted arch backfill layer and remove Temporary invert, apply two linings;
Set up steel pipe scaffold to refer to and set up steel pipe scaffold, setting space is 1m*1m, advance 1.2m, and every two steps arrange diagonal member, bar distance of sweeping the floor ground 15 ~ 50cm, and with working platform and guardrail;
Remove vertical median septum to refer to and carry out overall pulling down to vertical median septum;
Remove top layer scaffold and refer to that top layer scaffold and working platform are all removed;
Inverted arch backfill layer is removed Temporary invert and refer to that assisting plank or simple and easy scaffold to carry out assistance in localized design constructs, remove, and cut sprayed mortar to the temporary steel support inverted arch on inverted arch backfill layer;
Apply two linings and refer to that carrying out removing to temporary lining surface irregularities processes, removal position fills spray concrete leveling.
5. shallow-depth-excavation tunnel temporary lining method for dismounting as claimed in claim 4, it is characterized in that, the metering computer measured vault sinking and periphery displacement is set in shallow-depth-excavation tunnel temporary lining method for dismounting, after Vault settlement reduced rate, carries out dismounting and to top bar median septum.
CN201510025205.XA 2015-01-20 2015-01-20 Shallow underground excavation tunnel temporary support detaching equipment and method Pending CN104653228A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510025205.XA CN104653228A (en) 2015-01-20 2015-01-20 Shallow underground excavation tunnel temporary support detaching equipment and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510025205.XA CN104653228A (en) 2015-01-20 2015-01-20 Shallow underground excavation tunnel temporary support detaching equipment and method

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Publication Number Publication Date
CN104653228A true CN104653228A (en) 2015-05-27

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110295931A (en) * 2019-06-18 2019-10-01 中国水利水电第十四工程局有限公司 One kind being suitable for the method for dismounting of Shallow-buried longspan tunnel " well " font temporary support
CN110674549A (en) * 2019-09-24 2020-01-10 中国水利水电第十四工程局有限公司 Optimization method of tunnel temporary support dismantling scheme
CN110847915A (en) * 2019-11-07 2020-02-28 中铁建大桥工程局集团第五工程有限公司 Construction process for jumping-cutting demolishing and subsection back-jacking of double-side-wall temporary support of shallow-buried fine sand layer
CN111945625A (en) * 2020-08-20 2020-11-17 黄逸 Auxiliary device is demolishd to municipal administration facility

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11159275A (en) * 1997-11-28 1999-06-15 Nagatomo Shigeki Whale bone construction method of large cross-section tunnel
CN102305091A (en) * 2011-08-25 2012-01-04 中铁十六局集团有限公司 Support structure for hard rock large-section tunnel construction, and construction method for support structure
CN103362513A (en) * 2013-07-29 2013-10-23 中铁七局集团第五工程有限公司 Transformation and construction method for existing cavity in underground excavation region
CN103670427A (en) * 2013-12-24 2014-03-26 中铁十九局集团第三工程有限公司 Cross excavation support late-dismantling type tunnel construction method
CN203701567U (en) * 2014-01-03 2014-07-09 何华强 Steel pipe scaffold provided with safety facility

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11159275A (en) * 1997-11-28 1999-06-15 Nagatomo Shigeki Whale bone construction method of large cross-section tunnel
CN102305091A (en) * 2011-08-25 2012-01-04 中铁十六局集团有限公司 Support structure for hard rock large-section tunnel construction, and construction method for support structure
CN103362513A (en) * 2013-07-29 2013-10-23 中铁七局集团第五工程有限公司 Transformation and construction method for existing cavity in underground excavation region
CN103670427A (en) * 2013-12-24 2014-03-26 中铁十九局集团第三工程有限公司 Cross excavation support late-dismantling type tunnel construction method
CN203701567U (en) * 2014-01-03 2014-07-09 何华强 Steel pipe scaffold provided with safety facility

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
林作雷: "《长距浅埋大跨不良地质CRD工法施工技术》", 12 August 2010 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110295931A (en) * 2019-06-18 2019-10-01 中国水利水电第十四工程局有限公司 One kind being suitable for the method for dismounting of Shallow-buried longspan tunnel " well " font temporary support
CN110674549A (en) * 2019-09-24 2020-01-10 中国水利水电第十四工程局有限公司 Optimization method of tunnel temporary support dismantling scheme
CN110674549B (en) * 2019-09-24 2022-11-08 中国水利水电第十四工程局有限公司 Optimization method of tunnel temporary support dismantling scheme
CN110847915A (en) * 2019-11-07 2020-02-28 中铁建大桥工程局集团第五工程有限公司 Construction process for jumping-cutting demolishing and subsection back-jacking of double-side-wall temporary support of shallow-buried fine sand layer
CN111945625A (en) * 2020-08-20 2020-11-17 黄逸 Auxiliary device is demolishd to municipal administration facility

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Application publication date: 20150527