CN208718686U - A kind of precast assembly steel loop borehole wall - Google Patents

A kind of precast assembly steel loop borehole wall Download PDF

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Publication number
CN208718686U
CN208718686U CN201821419541.8U CN201821419541U CN208718686U CN 208718686 U CN208718686 U CN 208718686U CN 201821419541 U CN201821419541 U CN 201821419541U CN 208718686 U CN208718686 U CN 208718686U
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China
Prior art keywords
steel bushing
steel
borehole wall
monomer
arcwall
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CN201821419541.8U
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Chinese (zh)
Inventor
王炜
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China Railway Electrification Engineering Group Co Ltd
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王帅
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Abstract

The utility model discloses a kind of precast assembly steel loop borehole wall, including steel bushing, the steel bushing extends along vertical, and the outer wall of steel bushing and the borehole wall of vertical offset;The steel bushing is spliced by several segments steel bushing monomer, it is bolted between adjacent two sections of steel bushing monomers, the link of evagination is connected in the circumferential direction on one section of steel bushing monomer top of top, the link is hung on the concrete collar tie beam on the ground around vertical;The steel bushing monomer is spliced by several pieces of arcwalls, it is bolted between two pieces of adjacent arcwalls, the arcwall includes panel and floor, the floor is arranged in length and breadth and is welded on the inside of panel, pre-buried casting head is additionally provided on the panel, to inject slurries to the gap between panel and the borehole wall of vertical by the pre-buried casting head.The precast assembly steel loop borehole wall construction efficiency of the utility model is high, and construction cost is low.

Description

A kind of precast assembly steel loop borehole wall
Technical field
The utility model relates to shield machine construction technical fields, more particularly to a kind of precast assembly steel loop borehole wall.
Background technique
Shield machine construction is that a kind of mode of common constructing tunnel is may require that sometimes in shield machine construction from shield Vertical is beaten on ground above the cutterhead of machine downwards, to overhaul into vertical to the cutterhead of shield machine.Existing shaft construction Mainly by the way of excavating one section of one section of vertical, branch module and cast-in-situ reinforced concrete core-tube, construction efficiency is low, at high cost.
Utility model content
For the defects in the prior art, the utility model provides that a kind of construction efficiency is high, precast assembly steel at low cost The ring borehole wall.
The utility model provides a kind of precast assembly steel loop borehole wall, including steel bushing, and the steel bushing extends along vertical, The outer wall of steel bushing and the borehole wall of vertical offset;The steel bushing is spliced by several segments steel bushing monomer, adjacent two sections of steel It is bolted between sleeve monomer, the link of evagination is connected in the circumferential direction on one section of steel bushing monomer top of top, The link is hung on the concrete collar tie beam on the ground around vertical;The steel bushing monomer spliced by several pieces of arcwalls and At being bolted between two pieces of adjacent arcwalls, the arcwall includes panel and floor, and the floor is arranged in length and breadth And be welded on the inside of panel, pre-buried casting head is additionally provided on the panel, with by the pre-buried casting head to panel with Slurries are injected in gap between the borehole wall of vertical.
Using the above structure, steel bushing is hung on concrete collar tie beam by link, in the vertical for excavating lower section, on The steel bushing of side will not fall down, therefore, when carrying out shaft construction, can excavate paragraph by paragraph from top to bottom, paragraph by paragraph assembly steel bushing Sequence of construction carry out, to prevent shaft wall from collapsing, after steel bushing is assembled, by pre-buried casting head to steel bushing and vertical Slurries are injected in gap between the borehole wall of well, fill up the gap between the borehole wall of vertical and steel bushing, to form firm retaining wall Structure, structure of the structure relative to traditional reinforced concrete core-tube, the efficiency of construction significantly improve, and complete in vertical After construction or the maintenance of cutter head of shield machine, steel bushing is from bottom to top removed one by one, is backfilled while removing, the steel bushing of dismounting It can recycle, greatly reduce the cost of construction.
Further, the arcwall of every section of steel bushing monomer includes at least one piece of standard arc wall, two pieces of adjacent arcs Shape wall and one piece of edge sealing arcwall, the standard arc wall are connected with two pieces of adjacent arcwalls, the edge sealing arcwall and two The adjacent arcwall of block is connected, and shaft section ecto-entad of the joint face of edge sealing arcwall and adjacent arcwall relative to steel bushing It is tilted towards the side of edge sealing arcwall, the edge sealing arcwall is in the wedge that upper end arc length is small, lower end arc length is big.Using above-mentioned knot Structure, in assembled steel bushing monomer, successively assembled standard arc wall, adjacent arcwall and edge sealing arcwall, since steel bushing is It constructs paragraph by paragraph from top to bottom, vertical is backbreak certain depth, edge sealing arcwall can be inserted into from bottom to top to two adjacent arcs Between the joint face of wall, the assembly of steel bushing monomer is completed, also, in disassembly, edge sealing arcwall is exited downwards, then successively Standard arc wall and edge sealing arcwall are removed, therefore, above-mentioned design is easily installed and dismantles steel bushing monomer.
Further, the joint face of the standard arc wall and adjacent arcwall is located on the shaft section of steel bushing.It is convenient for Connection between standard arc wall and adjacent arcwall.
Further, the standard arc wall is provided with two pieces.
Further, the panel uses the steel plate of 3mm thickness, and the floor uses the steel plate of 5mm thickness.
Further, staircase is additionally provided on the inside of the steel bushing.By the way that staircase is arranged, facilitate construction personnel's disengaging vertical Well.
Further, reserved there are two bolt hole on every section of steel bushing monomer, two bolts cooperate described in two Bolt hole is staircase to be fixed on steel bushing monomer.Using the above structure, it is easily installed staircase.
The beneficial effects of the utility model are embodied in: steel bushing is hung on concrete collar tie beam by link, is being excavated When the vertical of lower section, the steel bushing of top be will not fall down, therefore, when carrying out shaft construction, can be excavated paragraph by paragraph from top to bottom, The sequence of construction of assembly steel bushing carries out paragraph by paragraph, to prevent shaft wall from collapsing, after steel bushing is assembled, passes through pre-buried slip casting Head injects slurries to the gap between steel bushing and the borehole wall of vertical, fills up the gap between the borehole wall of vertical and steel bushing, with Firm dado structure, structure of the structure relative to traditional reinforced concrete core-tube are formed, the efficiency of construction significantly improves , complete vertical in construct or cutter head of shield machine maintenance after, from bottom to top remove steel bushing one by one, returned while removing It fills out, the steel bushing of dismounting can recycle, and greatly reduce the cost of construction.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Attached drawing needed in specific embodiment is briefly described.In all the appended drawings, similar device or part are general It is identified by similar appended drawing reference.In attached drawing, each device or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram of the utility model embodiment;
Fig. 2 is the top view of the steel bushing monomer (one section of top) of the utility model embodiment;
Fig. 3 is the top view of the steel bushing monomer (other sections except one section of top) of the utility model embodiment;
Fig. 4 is the side expanded schematic diagram of steel bushing monomer.
In attached drawing, 1 indicates steel bushing;11 indicate steel bushing monomer;111 indicate standard arc wall;112 indicate adjacent arc Wall;113 indicate edge sealing arcwall;114 indicate panel;115 indicate floor;12 indicate link;13 indicate concrete collar tie beam;14 tables Show pre-buried casting head;2 indicate vertical.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and cannot be used as a limitation limitation this patent Protection scope.
As Figure 1-Figure 4, the utility model embodiment provides a kind of precast assembly steel loop borehole wall, including steel bushing 1, Steel bushing 1 extends along vertical 2, and the borehole wall of the outer wall and vertical 2 of steel bushing 1 offsets.
Steel bushing 1 is spliced by several segments steel bushing monomer 11, passes through bolt between adjacent two sections of steel bushing monomers 11 It connects, the link 12 of evagination is connected in the circumferential direction on one section of 11 top of steel bushing monomer of top, link 12 hangs over vertical 2 weeks On concrete collar tie beam 13 on the ground enclosed.
Steel bushing monomer 11 is spliced by several pieces of arcwalls, is bolted between two pieces of adjacent arcwalls, Arcwall includes panel 114 and floor 115, and floor 115 is arranged in length and breadth and is welded on the inside of panel 114, and panel 114 uses The steel plate of 3mm thickness, floor 115 use the steel plate of 5mm thickness.Specifically, the arcwall of every section of steel bushing monomer 11 includes at least one Block standard arc wall 111 (" at least one piece of standard arc wall 111 " means that standard arc wall 111 can be set one piece here, It can be set two pieces, muti-piece can also be set, depending on the weight size of standard arc wall 111, the present embodiment is preferably set Set two pieces), two pieces of adjacent arcwalls 112 and one piece of edge sealing arcwall 113, standard arc wall 111 and two pieces of adjacent arcwalls 112 Be connected, the joint face of standard arc wall 111 and adjacent arcwall 112 is located on the shaft section of steel bushing 1, edge sealing arcwall 113 are connected with two pieces of adjacent arcwalls 112, and the joint face of edge sealing arcwall 113 and adjacent arcwall 112 is relative to steel bushing 1 shaft section ecto-entad is tilted towards the side of edge sealing arcwall 113, so that forming section between two pieces of adjacent arcwalls 112 In the small shape of outer imperial palace, edge sealing arcwall 113 is in the wedge that upper end arc length is small, lower end arc length is big.
Steel bushing 1 is hung on concrete collar tie beam 13 by link 12, when excavating the vertical 2 of lower section, the steel of top Sleeve 1 will not fall down, therefore, when carrying out the construction of vertical 2, can excavate paragraph by paragraph from top to bottom, piecewise assembly steel bushing 1 is applied Work sequence carries out, to prevent 2 cave-in of vertical, structure of the structure relative to traditional reinforced concrete core-tube, construction Efficiency significantly improves, complete vertical 2 in construct or cutter head of shield machine maintenance after, from bottom to top one by one remove steel bushing 1, It is backfilled while removing, the steel bushing 1 of dismounting can recycle, and greatly reduce the cost of construction.
In assembled steel bushing monomer 11, successively assembled standard arc wall 111, adjacent arcwall 112 and edge sealing arcwall 113, since steel bushing 1 is constructed paragraph by paragraph from top to bottom, vertical 2 is backbreak certain depth, can by edge sealing arcwall 113 from Under be inserted upwardly between the joint face of two adjacent arcwalls 112, complete the assembly of steel bushing monomer 11, also, in disassembly, envelope Side arcwall 113 exits downwards, then successively removes standard arc wall 111 and edge sealing arcwall 113, therefore, above-mentioned to set Meter is easily installed and dismantles steel bushing monomer 11.
Pre-buried casting head 14 is additionally provided on panel 114, to pass through well of the pre-buried casting head 14 to panel 114 and vertical 2 Slurries are injected in gap between wall, after 1 assembly of steel bushing, by pre-buried casting head 14 to the borehole wall of steel bushing 1 and vertical 2 Between gap inject slurries, fill up the gap between the borehole wall of vertical 2 and steel bushing 1, to form firm dado structure, this The slurries of embodiment injection are specially the mixture of cement and waterglass.
In addition, the inside of steel bushing 1 is additionally provided with staircase, by the way that staircase is arranged, construction personnel is facilitated to pass in and out vertical 2.For Be easily installed staircase, it is reserved there are two bolt hole on every section of steel bushing monomer 11, two bolts cooperate two bolts hole with Staircase is fixed on steel bushing monomer 11.
Since the needs of steel bushing 1 recycle, steel bushing 1 needs to do antirust treatment, to improve the turnover of steel bushing 1 Number.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations; Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should manage Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of skills Art feature is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution the utility model The range of each embodiment technical solution should all cover in the claim of the utility model and the range of specification.

Claims (7)

1. a kind of precast assembly steel loop borehole wall, it is characterised in that:
Including steel bushing, the steel bushing extends along vertical, and the outer wall of steel bushing and the borehole wall of vertical offset;
The steel bushing is spliced by several segments steel bushing monomer, is bolted between adjacent two sections of steel bushing monomers, The link of evagination is connected in the circumferential direction on one section of steel bushing monomer top of top, the link hangs over the ground around vertical On concrete collar tie beam on;
The steel bushing monomer is spliced by several pieces of arcwalls, is bolted between two pieces of adjacent arcwalls, institute Stating arcwall includes panel and floor, and the floor is arranged in length and breadth and is welded on the inside of panel, is additionally provided on the panel Pre-buried casting head, to inject slurries to the gap between panel and the borehole wall of vertical by the pre-buried casting head.
2. the precast assembly steel loop borehole wall according to claim 1, it is characterised in that: the arc of every section of steel bushing monomer Wall includes at least one piece of standard arc wall, two pieces of adjacent arcwalls and one piece of edge sealing arcwall, the standard arc wall and two pieces Adjacent arcwall is connected, and the edge sealing arcwall is connected with two pieces of adjacent arcwalls, and edge sealing arcwall and adjacent arcwall Joint face tilted relative to the shaft section ecto-entad of steel bushing towards the side of edge sealing arcwall, the edge sealing arcwall presents The end wedge that arc length is small, lower end arc length is big.
3. the precast assembly steel loop borehole wall according to claim 2, it is characterised in that: the standard arc wall and adjacent arc The joint face of wall is located on the shaft section of steel bushing.
4. the precast assembly steel loop borehole wall according to claim 3, it is characterised in that: the standard arc wall is provided with two Block.
5. the precast assembly steel loop borehole wall according to claim 1, it is characterised in that: the panel uses the steel plate of 3mm thickness, The floor uses the steel plate of 5mm thickness.
6. the precast assembly steel loop borehole wall according to claim 1, it is characterised in that: be additionally provided on the inside of the steel bushing Staircase.
7. the precast assembly steel loop borehole wall according to claim 6, it is characterised in that: pre- on every section of steel bushing monomer It stays there are two bolt hole, two bolts cooperate two bolts hole staircase to be fixed on steel bushing monomer.
CN201821419541.8U 2018-08-30 2018-08-30 A kind of precast assembly steel loop borehole wall Active CN208718686U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821419541.8U CN208718686U (en) 2018-08-30 2018-08-30 A kind of precast assembly steel loop borehole wall

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Application Number Priority Date Filing Date Title
CN201821419541.8U CN208718686U (en) 2018-08-30 2018-08-30 A kind of precast assembly steel loop borehole wall

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CN208718686U true CN208718686U (en) 2019-04-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111101948A (en) * 2020-01-14 2020-05-05 重庆市轨道交通设计研究院有限责任公司 Rock stratum area assembled deep large circular vertical shaft structure and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111101948A (en) * 2020-01-14 2020-05-05 重庆市轨道交通设计研究院有限责任公司 Rock stratum area assembled deep large circular vertical shaft structure and construction method

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Effective date of registration: 20190603

Address after: Room 202, No. 139, Fengtai intersection, Fengtai District, Beijing 100000

Patentee after: Zhongtie Electric Bureau Group Co., Ltd.

Address before: Room 1006, 10th floor, Huabao Building, Haidian District, Beijing

Patentee before: Wang Shuai