CN205742215U - A kind of reusable pipe gallery pattern foundation pit supporting structure and structure external mold combinative structure - Google Patents

A kind of reusable pipe gallery pattern foundation pit supporting structure and structure external mold combinative structure Download PDF

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Publication number
CN205742215U
CN205742215U CN201620425135.7U CN201620425135U CN205742215U CN 205742215 U CN205742215 U CN 205742215U CN 201620425135 U CN201620425135 U CN 201620425135U CN 205742215 U CN205742215 U CN 205742215U
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China
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shaped steel
external mold
pipe gallery
interpolation
steel
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CN201620425135.7U
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Chinese (zh)
Inventor
曹净
汪尺
许利东
曹慧
高越
桂跃
刘海明
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Abstract

This utility model relates to a kind of reusable pipe gallery pattern foundation pit supporting structure and structure external mold combinative structure, belongs to underground engineering field.This utility model is vertically propped up gear and constitutes with structure external mold assembled unit and horizontal support structure by the foundation ditch of pipe gallery foundation ditch both sides, foundation ditch vertically props up gear and includes secondary triaxial cement mixing pile, two pieces of interpolation templates, two shaped steel unit with structure external mold assembled unit, shaped steel unit includes interpolation shaped steel, guide groove shaped steel, cushion block, fastener, being provided with cushion block between interpolation shaped steel and guide groove shaped steel and be bolted, the top of guide groove shaped steel is connected with interpolation shaped steel by fastener.When this utility model solves Urban Underground pipe gallery open cut excavation, work space is limited, the problem enough setting up space cannot be provided for structure external mold, and whole components that this structure is in addition to triaxial cement mixing pile can be fabricated to the standard component of detachable recombinant, reach the purpose of the recyclable recycling of whole standard element, facilitate fixed and positioned.

Description

A kind of reusable pipe gallery pattern foundation pit supporting structure and structure external mold combinative structure
Art
This utility model relates to a kind of reusable pipe gallery pattern foundation pit supporting structure and structure external mold combinative structure, belongs to underground engineering field.
Background technology
It is separate stereochemical structure between the various pipeline in underground at present, usually because of increase-volume and the maintenance of various pipelines, and causes road " slide fastener ", have a strong impact on urban transportation and city look and feel.Increasing city starts to prepare construction Urban Underground pipe gallery to the problem solving road " slide fastener ", but Urban Underground pipe gallery is mainly laid in below town road, available open cut excavation work space is limited, it is impossible to provide enough erection spaces for underground pipe gallery structure external mold;Additionally construct on town road underground pipe gallery time should reduce excavation space as far as possible, it is to avoid accounting for town road width more during construction, protect logical offer condition for urban transportation, the problem therefore reducing excavation space has great technological value and economic implications.
Utility model content
In order to preferably solve the problems referred to above, the utility model proposes a kind of reusable pipe gallery pattern foundation pit supporting structure and can reduce excavation space with structure external mold combinative structure, when solving Urban Underground pipe gallery open cut excavation, work space is limited, it is impossible to provide the problem enough setting up space for structure external mold.
The technical solution adopted in the utility model is: a kind of reusable pipe gallery pattern foundation pit supporting structure and structure external mold combinative structure, the foundation ditch of pipe gallery foundation ditch both sides vertically prop up gear and constitute with structure external mold assembled unit 9 and horizontal support structure 10.
Described foundation ditch vertically props up gear and includes secondary triaxial cement mixing pile 6, two shaped steel unit 8 of 1, two pieces of interpolation templates with structure external mold assembled unit 9, described shaped steel unit 8 includes interpolation shaped steel 2, guide groove shaped steel 3, cushion block 5, fastener 7, being provided with cushion block 5 between interpolation shaped steel 2 and guide groove shaped steel 3 and fixed by bolt 4, the top of guide groove shaped steel 3 is connected with interpolation shaped steel 2 by fastener 7.
Described horizontal support structure 10 includes Guan Liang and steel pipe support, and Guan Liang is fixed with interpolation shaped steel 2 by split bolt, and steel pipe support is supported on the vertical retaining structure of underground pipe gallery foundation ditch of two ends by Guan Liang.
The miscellaneous part that described foundation ditch vertically props up in gear and structure external mold assembled unit 9 and horizontal support structure 10 in addition to triaxial cement mixing pile 1 is the standard element of repeatable splicing and dismounting.
The described a diameter of 850mm of triaxial cement mixing pile 1, overlaps 250mm, and length is chosen according to the buried depth of geological conditions and pipe gallery.
1 top mark height of described triaxial cement mixing pile is in ground 0.5m.
Described interpolation template 6 uses high 2000mm, wide 1500mm, the HDPE material of thick 20mm or high 2000mm, wide 1500mm, and the steel of thick 8mm are made.
By side's bar clamping between described interpolation shaped steel 2 and fastener 7.
The H profile steel that described interpolation shaped steel 2 uses model to be HM400 × 300 ~ 600 × 300.
The common channel-section steel of hot rolling that described guide groove shaped steel 3 uses model to be 22, distance 400mm of top distance interpolation shaped steel 2, a length of 3m ~ 6m, base plate buried depth and cushion thickness according to underground structure are chosen.
Described fastener 7 is made up of the HRB335 level reinforcing bar of three diameter 18 ~ 20mm, wherein the reinforcing bar of root length 260mm is through the edge of a wing on guide groove shaped steel both sides, reinforcing bar one end of other two root lengths 280mm bends 360 degree and is fixed on the reinforcing bar on the edge of a wing, guide groove shaped steel two ends, and the other end is converted into hook and is separately fixed at the side edge of a wing of interpolation shaped steel 2.
Described cushion block 5 uses high 150mm, wide 260mm, the HDPE material of thick 35mm.
The model of described bolt 4 is M16.
Guan Liang in described horizontal support structure 10 uses two models to be the channel-section steel of 28 ~ 40#, H profile steel or I-steel, and the I-steel Two bors d's oeuveres that steel pipe support uses model to be 22 ~ 36# is constituted.
This utility model uses step as follows:
The each limit of underground pipe gallery structure outer edge is widened 50mm and is obtained excavation of foundation pit line;Distance excavation of foundation pit line 311mm in axis when foundation ditch both sides triaxial cement mixing pile 1 is constructed;The sideline, inner side of interpolation shaped steel 2 is positioned on excavation of foundation pit line.
(1) guide groove shaped steel 3 is arranged on an interpolation shaped steel 2 one shaped steel unit 8 of formation by cushion block 5 bolt 4;
(2) repeat above-mentioned operation and make required whole shaped steel unit 8 in advance.
(3) measuring spot plane Controling network;
(4) measure axis, the groove of the wide deep 0.55m of 1.0m of excavation, the setting-out of stake position, stake machine is in place;
(5) arrangement inserting two jumpings one is used successively to insert shaped steel unit 8 after triaxial cement mixing pile 1 has been constructed;
(6) when being drowned into designed elevation, unclamp the top bolt 4 of two shaped steel unit 8, take out top cushion block 5;
(7) first piece of interpolation template 6 is inserted between guide groove shaped steel 3 and interpolation shaped steel 2, buckle the top fastener 7 of guide groove shaped steel and interpolation shaped steel when it inserts the appropriate location in triaxial cement mixing pile;
(8) first pieces of interpolation templates 6 open top fastener 7 after being drowned into designed elevation, insert second piece of interpolation template 6, again buckle top fastener 7 when it inserts the appropriate location of triaxial cement mixing pile;
(9) in a secondary triaxial cement mixing pile 1, form a foundation ditch when second piece of interpolation template 6 is drowned into designed elevation and vertically prop up gear and structure external mold assembled unit 9;
(10) repeating above-mentioned operation, the foundation ditch being sequentially completed pipe gallery foundation ditch both sides vertically props up gear and structure external mold assembled unit 9;
(11) after triaxial cement mixing pile 1 reaches 75% intensity, it then follows the principle earth excavation of " first support dig afterwards, supports in limited time, stage excavation, forbid to backbreak " with apply horizontal support structure 10;
(12) during the designed elevation at be excavated to guide groove shaped steel 3 end i.e. bed course 11 end, unclamp the high-strength bolt 4 bottom interpolation shaped steel 2 and guide groove shaped steel 3, make guide groove shaped steel 3 and interpolation template 6 come off recovery, fetch base plate cushion block 5, tri-axes deep mixing stake 1 obtains smooth underground structure external mold;
(13) artificial chisel is except soil cement unnecessary between two assembled units 9;
(14) bed course 11 is applied;
(15) colligation pipe gallery 12 base plate and the reinforcing bar of side wall, and install the interior interpolation template of 1/3 height of side wall, pouring synthetic piping lane 11 base plate and the concrete of side wall 1/3 height;
(16) after underplate concrete reaches design strength, to constructing, side coping construction joint dabbing processes, and installs top board, the interpolation template remaining 2/3 height of side wall colligation roof steel bar, pours top board and the concrete of side wall residue 2/3 height;
(17) after concrete reaches design strength, 20cm ~ 50cm below the back-filling in layers earthwork to horizontal support, removes horizontal support structure 10;
(18) take to jump the mode pulled out and reclaim interpolation shaped steel 2, and in time to gap grouting filling;
(19) road surface existing facility is finally recovered.
The beneficial effects of the utility model are: reusable pipe gallery pattern foundation pit supporting structure and structure external mold combinative structure can reduce excavation space, when solving Urban Underground pipe gallery open cut excavation, work space is limited, the problem enough setting up space cannot be provided for structure external mold, and whole components that this structure is in addition to triaxial cement mixing pile can be fabricated to detachable standard component, facilitate fixed and positioned, interpolation template can be properly inserted in triaxial cement mixing pile, in triaxial cement mixing pile, form whole foundation ditch well vertically prop up gear and structure external mold assembled unit, decrease the loss of component, reach the purpose of the recyclable recycling of whole standard element, there is economy, environmental protection, energy-conservation, the advantage little to surrounding environment influence.
Accompanying drawing explanation
The positive elevational schematic view of Fig. 1 this utility model Shaped Steel unit;
The floor map of Fig. 2 this utility model Shaped Steel unit;
The side elevation schematic diagram of Fig. 3 this utility model Shaped Steel unit;
Fluting schematic diagram in Fig. 4 this utility model;
Fig. 5 this utility model Shaped Steel unit completes schematic diagram;
In Fig. 6 this utility model, foundation ditch vertically props up gear and forms generalized section with structure external mold assembled unit;
In Fig. 7 this utility model, cushion construction completes schematic diagram;
Construction 1/3 high underground pipe gallery schematic diagram in Fig. 8 this utility model;
In Fig. 9 this utility model, underground pipe gallery has been constructed schematic diagram;
Figure 10 this utility model is pulled out interpolation shaped steel generalized section;
The schematic diagram constructed in Figure 11 this utility model;
Each label in figure: 1 triaxial cement mixing pile;2 interpolation shaped steel;3 guide groove shaped steel;4 bolts;5 cushion blocks;6 interpolation templates;7 fasteners;8 shaped steel unit;9 foundation ditches vertically prop up gear and structure external mold assembled unit;10 horizontal support structure;11 bed courses;12 pipe galleries.
Detailed description of the invention
Below by drawings and Examples, this utility model is described in further detail, but protection domain of the present utility model is not limited to described content.
Embodiment 1: as shown in figs. 1-11: according to neighboring buildings and peripheral path situation, the pipe gallery 12 using cut and cover tunneling cross section to be high 3800 wide 5000mm, its base plate buried depth is 7m, soil condition is clay, it is designed with the C40 armored concrete that seepage-resistant grade is P8, wherein use the HRB400 reinforcing bar of diameter 16mm, and use C20 plain concrete cushion layer thick for 150mm.First guide groove shaped steel 3 utilizes the HDPE cushion block of high 150mm wide 260mm thickness 35mm to be arranged on interpolation shaped steel 2 one shaped steel unit 8 of formation by the bolt 4 of M16, repeats above-mentioned operation and makes required whole shaped steel unit in advance.Interpolation shaped steel 2 uses H profile steel, and wherein the model of H profile steel is HM500 × 300, long 12m;Guide groove shaped steel 3 model is the common channel-section steel of hot rolling of 22, long 6.75m;Fastener 7 is made up of the HRB335 level reinforcing bar of three diameter 18mm, and wherein the reinforcing bar of root length 260mm is through the edge of a wing on guide groove shaped steel 3 both sides;Reinforcing bar one end of other two root lengths 280mm bends 360 degree and is fixed on the reinforcing bar on the edge of a wing, guide groove shaped steel 3 two ends, and the other end is converted into hook and is separately fixed at the side edge of a wing of interpolation shaped steel 2.Measuring spot plane Controling network, measure axis, the groove of the wide deep 0.55m of 1.0m of excavation, the setting-out of stake position, stake machine is in place.After the triaxial cement mixing pile of diameter 850mm overlap joint 250mm has been constructed, the arrangement inserting two jumpings one is used successively to insert shaped steel unit 8 in triaxial cement mixing pile 1.When being drowned into designed elevation, unclamp the top bolt 4 of two shaped steel unit 8, take out top cushion block 5;First piece of interpolation template 6 is inserted between guide groove shaped steel 3 and interpolation shaped steel 2, buckles the top fastener 7 of guide groove shaped steel 3 and interpolation shaped steel 2 when it inserts appropriate location during triaxial cement stirs 1;First piece of interpolation template 6 opens fastener 7 after being drowned into designed elevation, insert second piece of interpolation template 6, again buckles fastener 7 when appropriate location during it inserts triaxial cement mixing pile 1;In a secondary triaxial cement mixing pile 1, form a foundation ditch when second piece of interpolation template 6 is drowned into below design road surface and vertically prop up gear and structure external mold assembled unit 9.Wherein, every piece of interpolation template 6 uses the HDPE plate of high 2000mm width 1500mm thickness 20mm.Repeating above-mentioned operation, the foundation ditch being sequentially completed pipe gallery foundation ditch both sides vertically props up gear and structure external mold assembled unit 9;After triaxial cement mixing pile 1 intensity reaches 1MPa, it then follows the principle earth excavation of " first support dig afterwards, supports in limited time, stage excavation, forbid to backbreak " with apply horizontal support structure 10.During the designed elevation at be excavated to guide groove shaped steel 3 end i.e. bed course 11 end, unclamp the bolt 4 bottom interpolation shaped steel 2 and guide groove shaped steel 3, make guide groove shaped steel 3 and interpolation template 6 come off recovery, fetch base plate cushion block 5, triaxial cement mixing pile 1 obtains smooth underground structure external mold.For ensureing that two foundation ditches vertically prop up the flatness between gear and structure external mold assembled unit 9, it is necessary to manually cut soil cement unnecessary between two assembled units after removing interpolation template 6.Then apply bed course 11, colligation pipe gallery 12 base plate and the reinforcing bar of side wall, and install the interior template of 1/3 height of side wall, pouring synthetic piping lane 12 base plate and the concrete of side wall 1/3 height.After underplate concrete reaches design strength, to constructing, side wall top construction joint dabbing processes, and installs top board, the interior template remaining 2/3 height of side wall colligation roof steel bar, pours top board and the concrete of side wall residue 2/3 height.After concrete reaches design strength, at the back-filling in layers earthwork to horizontal support structure less than 10 500mm, remove horizontal support structure 10.Take to jump the mode pulled out and reclaim interpolation shaped steel 2, and in time to gap grouting filling.Finally recover road surface existing facility.
Embodiment 2: as shown in figs. 1-11: the pipe gallery 12 using cut and cover tunneling cross section to be high 3800 wide 5000mm, its base plate buried depth is 5m, soil condition is silt, it is designed with the C40 armored concrete that seepage-resistant grade is P8, wherein use the HRB400 reinforcing bar of diameter 16mm, and use C20 plain concrete cushion layer thick for 150mm.The HDPE cushion block 5 that first guide groove shaped steel 3 utilize high 150mm wide 260mm thickness 35mm is arranged on interpolation shaped steel 2 one shaped steel unit 8 of formation by the bolt 4 of M16;Repeat above-mentioned operation and make required whole shaped steel unit 8 in advance.Interpolation shaped steel 2 is H profile steel, and wherein the model of H profile steel is HM400 × 300, long 9m;The model of guide groove shaped steel 3 is the common channel-section steel of 22, long 4.75m;Fastener 7 is made up of the HRB335 level reinforcing bar of three diameter 18mm, and wherein the reinforcing bar of root length 260mm is through the edge of a wing on guide groove shaped steel 3 both sides;Reinforcing bar one end of other two root lengths 280mm bends 360 degree and is fixed on the reinforcing bar on the edge of a wing, guide groove shaped steel 3 two ends, and the other end is converted into hook and is separately fixed at the side edge of a wing of interpolation shaped steel 2.Measuring spot plane Controling network, measure axis, the groove of the wide deep 0.55m of 1.0m of excavation, the setting-out of stake position, stake machine is in place.After the triaxial cement mixing pile 1 of diameter 850mm overlap joint 250mm has been constructed, the arrangement inserting two jumpings one is used successively to insert shaped steel unit 8 in triaxial cement mixing pile 1.When being drowned into designed elevation, unclamp the top bolt 4 of two shaped steel unit 8, take out top cushion block 5;First piece of interpolation template 6 is inserted between guide groove shaped steel 3 and interpolation shaped steel 2, buckles the fastener 7 of guide groove shaped steel 3 and interpolation shaped steel 2 when appropriate location during it inserts triaxial cement mixing pile 1;First piece of interpolation template 6 opens fastener 7 after being drowned into designed elevation, insert second piece of interpolation template 6, again buckles fastener 7 when appropriate location during it inserts triaxial cement mixing pile 1;In a secondary triaxial cement mixing pile 1, form a foundation ditch when second piece of interpolation template 6 is drowned into below design road surface and vertically prop up gear and structure external mold assembled unit 9.Wherein, every piece of interpolation template 6 uses the HDPE plate of high 2000mm width 1500mm thickness 20mm.Repeating above-mentioned operation, the foundation ditch being sequentially completed pipe gallery foundation ditch both sides vertically props up gear and structure external mold assembled unit 9;After triaxial cement mixing pile 1 intensity reaches 0.8MPa, it then follows the principle earth excavation of " first support dig afterwards, supports in limited time, stage excavation, forbid to backbreak " with apply horizontal support structure 10.During the designed elevation at be excavated to guide groove shaped steel 3 end i.e. bed course 11 end, unclamp the bolt 4 bottom interpolation shaped steel 2 and guide groove shaped steel 3, make guide groove shaped steel 3 and interpolation template 6 come off recovery, fetch base plate cushion block 5, triaxial cement mixing pile 1 obtains smooth underground structure external mold.For ensureing that two foundation ditches vertically prop up the flatness between gear and structure external mold assembled unit 9, it is necessary to after removing interpolation template, 1 artificial chisel is except soil cement unnecessary between two assembled units.Then apply bed course 11, colligation pipe gallery 12 base plate and the reinforcing bar of side wall, and install the interior template of 1/3 height of side wall, pouring synthetic piping lane 12 base plate and the concrete of side wall 1/3 height.After underplate concrete reaches design strength, to constructing, side wall top construction joint dabbing processes, and installs top board, the interior template remaining 2/3 height of side wall colligation roof steel bar, pours top board and the concrete of side wall residue 2/3 height.After concrete reaches design strength, at the back-filling in layers earthwork to horizontal support structure less than 10 500mm, remove horizontal support structure 10.Take to jump the mode pulled out and reclaim interpolation shaped steel 2, and in time to gap grouting filling.Finally recover road surface existing facility.

Claims (12)

1. reusable pipe gallery pattern foundation pit supporting structure and a structure external mold combinative structure, vertically props up gear and structure external mold assembled unit (9) and horizontal support structure (10) including foundation ditch;
Described foundation ditch vertically props up gear and includes a secondary triaxial cement mixing pile (1), two pieces of interpolation templates (6), two shaped steel unit (8) with structure external mold assembled unit (9), described shaped steel unit (8) includes interpolation shaped steel (2), guide groove shaped steel (3), cushion block (5), fastener (7), being provided with cushion block (5) between interpolation shaped steel (2) and guide groove shaped steel (3) and fixed by bolt (4), the top of guide groove shaped steel (3) is connected with interpolation shaped steel (2) by fastener (7);
Described horizontal support structure (10) includes Guan Liang and steel pipe support, and Guan Liang is fixed with interpolation shaped steel (2) by split bolt, and steel pipe support is supported on the vertical retaining structure of underground pipe gallery foundation ditch of two ends by Guan Liang.
Reusable pipe gallery pattern foundation pit supporting structure the most according to claim 1 and structure external mold combinative structure, it is characterised in that: the miscellaneous part that described foundation ditch vertically props up in gear and structure external mold assembled unit (9) and horizontal support structure (10) in addition to triaxial cement mixing pile (1) is the standard element of repeatable splicing and dismounting.
Reusable pipe gallery pattern foundation pit supporting structure the most according to claim 1 and structure external mold combinative structure, it is characterized in that: described triaxial cement mixing pile (1) a diameter of 850mm, overlap joint 250mm, length is chosen according to the buried depth of geological conditions and pipe gallery.
Reusable pipe gallery pattern foundation pit supporting structure the most according to claim 2 and structure external mold combinative structure, it is characterised in that: described triaxial cement mixing pile (1) stake top mark height is in ground 0.5m.
Reusable pipe gallery pattern foundation pit supporting structure the most according to claim 1 and structure external mold combinative structure, it is characterized in that: described interpolation template (6) uses high 2000mm, wide 1500mm, the HDPE material of thick 20mm or high 2000mm, wide 1500mm, the steel of thick 8mm.
Reusable pipe gallery pattern foundation pit supporting structure the most according to claim 1 and structure external mold combinative structure, it is characterised in that: by side's bar clamping between described interpolation shaped steel (2) and fastener (7).
The most reusable pipe gallery pattern foundation pit supporting structure and structure external mold combinative structure, it is characterised in that: described interpolation shaped steel (2) uses model to be the H profile steel of HM400 × 300 ~ 600 × 300.
Reusable pipe gallery pattern foundation pit supporting structure the most according to claim 1 and structure external mold combinative structure, it is characterized in that: the common channel-section steel of hot rolling that described guide groove shaped steel (3) uses model to be 22, distance 400mm on top distance interpolation shaped steel (2), a length of 3m ~ 6m, base plate buried depth and cushion thickness according to underground structure are chosen.
The most reusable pipe gallery pattern foundation pit supporting structure and structure external mold combinative structure, it is characterized in that: described fastener (7) is made up of the HRB335 level reinforcing bar of three diameter 18 ~ 20mm, wherein the reinforcing bar of root length 260mm is through the edge of a wing on guide groove shaped steel both sides, reinforcing bar one end of other two root lengths 280mm bends 360 degree and is fixed on the reinforcing bar on the edge of a wing, guide groove shaped steel two ends, and the other end is converted into hook and is separately fixed at the side edge of a wing of interpolation shaped steel (2).
Reusable pipe gallery pattern foundation pit supporting structure the most according to claim 1 and structure external mold combinative structure, it is characterised in that: described cushion block (5) uses high 150mm, wide 260mm, the HDPE material of thick 35mm.
11. reusable pipe gallery pattern foundation pit supporting structures according to claim 1 and structure external mold combinative structure, it is characterised in that: the model of described bolt (4) is M16.
12. the most reusable pipe gallery pattern foundation pit supporting structures and structure external mold combinative structure, it is characterized in that: the Guan Liang in described horizontal support structure (10) uses two models to be the channel-section steel of 28 ~ 40#, H profile steel or I-steel, the I-steel Two bors d's oeuveres that steel pipe support uses model to be 22 ~ 36# is constituted.
CN201620425135.7U 2016-05-12 2016-05-12 A kind of reusable pipe gallery pattern foundation pit supporting structure and structure external mold combinative structure Expired - Fee Related CN205742215U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518722A (en) * 2019-01-22 2019-03-26 云南省建设投资控股集团有限公司 The short underpass structure and its construction method of newly-built basement and existing subway station
CN110629791A (en) * 2019-09-23 2019-12-31 海门市帕源路桥建设有限公司 Built-in lateral telescopic supporting box type external mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518722A (en) * 2019-01-22 2019-03-26 云南省建设投资控股集团有限公司 The short underpass structure and its construction method of newly-built basement and existing subway station
CN110629791A (en) * 2019-09-23 2019-12-31 海门市帕源路桥建设有限公司 Built-in lateral telescopic supporting box type external mold

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Granted publication date: 20161130

Termination date: 20180512