CN106869962A - A kind of shield duct piece waterproof construction and its construction method - Google Patents
A kind of shield duct piece waterproof construction and its construction method Download PDFInfo
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- CN106869962A CN106869962A CN201510925409.9A CN201510925409A CN106869962A CN 106869962 A CN106869962 A CN 106869962A CN 201510925409 A CN201510925409 A CN 201510925409A CN 106869962 A CN106869962 A CN 106869962A
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 222
- 230000005641 tunneling Effects 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil 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 belongs to shield tunnel technical field,More particularly to a kind of shield duct piece waterproof construction and its construction method,A kind of shield duct piece waterproof construction,It is characterized in that,The circumferential weld end of the section of jurisdiction offers circumferential weld groove,The longitudinal joint end of the section of jurisdiction offers longitudinal joint groove,The circumferential weld groove,The section of longitudinal joint groove is dovetail-shape,Described circumferential weld sealing strip one end is for the straight head of circumferential weld and its other end is in the circumferential weld dovetail head with circumferential weld fit depressions,The straight head of circumferential weld of the circumferential weld sealing strip is inserted in the circumferential weld groove of section of jurisdiction and its circumferential weld dovetail head is inserted in the circumferential weld end with the section of jurisdiction of the axially adjacent setting in the section of jurisdiction,One end of the longitudinal joint sealing strip is for the straight head of longitudinal joint and its other end is in the longitudinal joint dovetail head with longitudinal joint fit depressions,The straight head of longitudinal joint of the longitudinal joint sealing strip is inserted in the longitudinal joint groove of section of jurisdiction and its longitudinal joint dovetail head is inserted in the longitudinal joint groove of the section of jurisdiction set with the section of jurisdiction radially adjoining.
Description
Technical field
The invention belongs to shield tunnel technical field, more particularly to a kind of shield duct piece waterproof construction and its construction method.
Background technology
With the development of modern city building and traffic communal facility, the land resource day in city is becoming tight, and city ground transport can not meet traffic requirement.In order to save urban land resource, alleviate urban public transport pressure, the underground space for expanding city is imperative, build the underground transportation facilities such as subway, Urban Underground vcehicular tunnel tool and be of great significance.
Shield method is a kind of Fully-mechanized construction method in shallow mining method.It is that shield machine is advanced in ground, and supporting surrounding country rock by shield shell and section of jurisdiction prevents toward caving in tunnel；Soil excavation is carried out with topping machanism in front of excavation face simultaneously, machinery is transported outside hole by being unearthed, by jack in rear pressurization jacking, and assembled precast concrete section of jurisdiction, form a kind of mechanized construction method of tunnel structure.Shield construction tunneling has advantages below：1st, safe excavation and lining cutting, driving speed are fast；2nd, the overall process such as the propulsion of shield, unearthed, assembled lining cutting can realize automated job, and construction labour intensity is low；3rd, traffic above-ground and facility are not influenceed, while not influenceing the facilities such as underground utilities；Shipping is not influenceed when the 4th, passing through river course, be there is no noise and disturbance in construction by weather influences such as season, wind and rain in construction；5th, the larger long tunnel of buried depth is built in soft aquifer water-bearing stratum often has the superiority of technology and economic aspect.In view of shield method has safe and reliable, quick, environmentally friendly advantage, it is particularly well-suited to be used in the Tunnel Engineering that subterranean tunnel buried depth is larger, periphery geological conditions is relative complex.
Shield construction tunnel internal is formed using the pipe-plate lining with certain radian, there are section of jurisdiction circumferential weld and Longitudinal Joint between Segments between section of jurisdiction and section of jurisdiction, and section of jurisdiction circumferential weld is circular arc seam, and Longitudinal Joint between Segments are linear seam.Although section of jurisdiction circumferential weld and Longitudinal Joint between Segments position pass through sealing strip encapsulation process, but it is easily poorly sealed, there is localized seepage's phenomenon, underground water enters tunnel internal easily by section of jurisdiction circumferential weld, Longitudinal Joint between Segments, not only increase the maintenance cost in tunnel later stage, also the operation security in tunnel is have impact on, therefore, how waterproof and antiseepage is the task of top priority.
The content of the invention
The present invention is directed to above-mentioned technical problem, there is provided a kind of shield duct piece waterproof construction and its construction method, reduces the generation of underground water seepage.
The technical solution adopted in the present invention is：
A kind of shield duct piece waterproof construction,Including section of jurisdiction,The curved structure in section of jurisdiction,Axially upper relative two ends are for circumferential weld end and its diametrically opposite two ends is longitudinal joint end for the section of jurisdiction,Circumferential weld sealing strip is provided between the circumferential weld end of the section of jurisdiction of axially adjacent setting,Longitudinal joint sealing strip is provided between the longitudinal joint end of the section of jurisdiction that radially adjoining is set,It is characterized in that,The circumferential weld end of the section of jurisdiction offers circumferential weld groove,The longitudinal joint end of the section of jurisdiction offers longitudinal joint groove,The circumferential weld groove,The section of longitudinal joint groove is dovetail-shape,Described circumferential weld sealing strip one end is for the straight head of circumferential weld and its other end is in the circumferential weld dovetail head with circumferential weld fit depressions,The straight head of circumferential weld of the circumferential weld sealing strip is inserted in the circumferential weld groove of section of jurisdiction and its circumferential weld dovetail head is inserted in the circumferential weld end with the section of jurisdiction of the axially adjacent setting in the section of jurisdiction,One end of the longitudinal joint sealing strip is for the straight head of longitudinal joint and its other end is in the longitudinal joint dovetail head with longitudinal joint fit depressions,The straight head of longitudinal joint of the longitudinal joint sealing strip is inserted in the longitudinal joint groove of section of jurisdiction and its longitudinal joint dovetail head is inserted in the longitudinal joint groove of the section of jurisdiction set with the section of jurisdiction radially adjoining.
The inside of the circumferential weld sealing strip offers circumferential weld sealing strip hole, and the longitudinal joint sealing strip is internally provided with longitudinal joint sealing strip hole.
The circumferential weld sealing strip hole, the inside of longitudinal joint sealing strip hole are filled with gas or liquid.
The straight head of circumferential weld extends to form circumferential weld pawl to both sides, and the circumferential weld pawl is located in the circumferential weld groove of section of jurisdiction.
The straight head of longitudinal joint extends to form longitudinal joint pawl to both sides, and the longitudinal joint pawl is located in the longitudinal joint groove of section of jurisdiction.
Also include the first sealing strip, the second sealing strip, first sealing strip, the second sealing strip are arranged between the longitudinal joint end of the section of jurisdiction of radially adjoining setting, first sealing strip is located at the side of longitudinal joint sealing strip, and second sealing strip is located at the opposite side of longitudinal joint sealing strip.
Also include the 3rd sealing strip, the 4th sealing strip, 3rd sealing strip, the 4th sealing strip are arranged between the circumferential weld end of the section of jurisdiction of axially adjacent setting, 3rd sealing strip is located at the side of circumferential weld sealing strip, and the 4th sealing strip is located at the opposite side of circumferential weld sealing strip.
The longitudinal joint end of the section of jurisdiction of axially adjacent setting point-blank or is staggered.
A kind of construction method of shield duct piece waterproof construction, it is characterised in that follow the steps below：
（1）First by the pipe-plate lining on the inwall of tunneling；
（2）First sealing strip, the second sealing strip are fixed on the longitudinal joint end of section of jurisdiction, wherein, the first sealing strip is located at the side of longitudinal joint groove, and the second sealing strip is located at the opposite side of longitudinal joint groove；
（3）The longitudinal joint dovetail head of the longitudinal joint sealing strip is inserted in the longitudinal joint groove of the section of jurisdiction set with section of jurisdiction radially adjoining, then the straight head of the longitudinal joint of longitudinal joint sealing strip is inserted in the longitudinal joint groove of section of jurisdiction；
（4）The section of jurisdiction set from radially adjoining exerts a force to section of jurisdiction direction, the straight head of longitudinal joint of longitudinal joint sealing strip fills up the longitudinal joint groove of section of jurisdiction, gap between the section of jurisdiction that section of jurisdiction, radially adjoining are set is shut by the first sealing strip, the second sealing strip, and the pipe-plate lining for then setting radially adjoining is on the inwall of tunneling；
（5）Repeat step（1）-（4）, section of jurisdiction is radially sequentially connected, form loop configuration；
（6）3rd sealing strip, the 4th sealing strip are fixed on the circumferential weld end of section of jurisdiction, wherein, the 3rd sealing strip is located at the side of circumferential weld groove, and the 4th sealing strip is located at the opposite side of circumferential weld groove；
（7）The circumferential weld dovetail head of the circumferential weld sealing strip is inserted in the circumferential weld groove with the section of jurisdiction of the axially adjacent setting in section of jurisdiction, then the straight head of the circumferential weld of circumferential weld sealing strip is inserted in the circumferential weld groove of section of jurisdiction；
（8）Exerted a force from the section of jurisdiction of axially adjacent setting to section of jurisdiction direction, the straight head of circumferential weld of circumferential weld sealing strip fills up the circumferential weld groove of section of jurisdiction, shut by the 3rd sealing strip, the 4th sealing strip in gap between section of jurisdiction, the section of jurisdiction of axially adjacent setting, then the pipe-plate lining of axially adjacent setting is realized that section of jurisdiction axially extends on the inwall of tunneling.
Beneficial effects of the present invention are：
1st, in the present invention section of jurisdiction seam areas end circumferential weld groove, longitudinal joint groove, circumferential weld sealing strip, the sealing of longitudinal joint sealing strip that seam areas use one end for straight head, one end for dovetail head, good sealing effect, is less prone to localized seepage's phenomenon, greatly reduces the generation of underground water seepage；
2nd, simple structure, novelty, it is easy to make；
3rd, circumferential weld sealing strip hole, the setting of longitudinal joint sealing strip hole, are easy to circumferential weld sealing strip, longitudinal joint sealing strip to deform upon, good sealing effect；
4th, circumferential weld pawl, the setting of longitudinal joint pawl, are easy to fill up in the corner in circumferential weld groove, longitudinal joint groove, and filling capacity is strong；
5th, the first sealing strip, the setting of the second sealing strip, gap closing between the Longitudinal Joint between Segments end of longitudinal joint sealing strip both sides will be located at, 3rd sealing strip, the setting of the 4th sealing strip, gap closing between the section of jurisdiction circumferential weld end of circumferential weld sealing strip both sides will be located at, strengthens the anti-leakage ability of the seam areas of section of jurisdiction.
6th, section of jurisdiction, circumferential weld sealing strip, the assembling of longitudinal joint sealing strip are very simple, and construction method is very simple.
Brief description of the drawings
Fig. 1 is that the gap between section of jurisdiction is the section of jurisdiction combining structure schematic diagram for directly docking form；
Fig. 2 be section of jurisdiction between gap be the form of being staggered section of jurisdiction combining structure schematic diagram；
Fig. 3 is section of jurisdiction main structure diagram in the present invention；
Fig. 4 is section of jurisdiction overlooking the structure diagram in the present invention；
Fig. 5 is cross section structure diagrams of the Fig. 4 along A lines；
Fig. 6 is cross section structure diagrams of the Fig. 4 along B lines；
Fig. 7 is the structural representation of circumferential weld sealing strip in the present invention；
Fig. 8 is the structural representation of the circumferential weld sealing strip with circumferential weld pawl in the present invention；
Fig. 9 is the structural representation of longitudinal joint sealing strip in the present invention；
Figure 10 is the structural representation of the longitudinal joint sealing strip with longitudinal joint pawl in the present invention；
Figure 11-14 is the longitudinal joint terminal splice process schematic of section of jurisdiction set using longitudinal joint sealing strip and radially adjoining in the present invention；
Figure 15-18 is the longitudinal joint terminal splice process schematic of section of jurisdiction set using longitudinal joint sealing strip and radially adjoining with longitudinal joint pawl in the present invention；
Figure 19-22 is the circumferential weld terminal splice process schematic of section of jurisdiction set using circumferential weld sealing strip and radially adjoining in the present invention；
Figure 23-26 is the circumferential weld terminal splice process schematic of section of jurisdiction set using circumferential weld sealing strip and radially adjoining with circumferential weld pawl in the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
In figure, 1- sections of jurisdiction, 2- circumferential welds end, 3- longitudinal joints end, 4- circumferential weld sealing strips, 5- longitudinal joint sealing strips, 6- circumferential weld grooves, 7- longitudinal joint grooves, 8- circumferential welds are straight head, 9- circumferential weld dovetail heads, 10- longitudinal joints are straight head, 11- longitudinal joint dovetail heads, 12- circumferential weld sealing strip hole, 13- longitudinal joint sealing strip hole, 14- circumferential weld pawls, 15- longitudinal joint pawls, the sealing strips of 16- first, the sealing strips of 17- second, the sealing strips of 18- the 3rd, the sealing strips of 19- the 4th, 20- sections of jurisdiction, 21- sections of jurisdiction.
Embodiment 1
Referring to 1,3-7,9,11-14,19-22, section of jurisdiction 21, section of jurisdiction 1 are radially adjoining setting in Fig. 1, and section of jurisdiction 20, section of jurisdiction 1 are axially adjacent setting；
A kind of shield duct piece waterproof construction,Including section of jurisdiction 1,The curved structure in section of jurisdiction 1,Axially upper relative two ends are for circumferential weld end 2 and its diametrically opposite two ends is longitudinal joint end 3 for section of jurisdiction 1,Circumferential weld sealing strip 4 is provided between the circumferential weld end 2 of the section of jurisdiction 1 of axially adjacent setting,Longitudinal joint sealing strip 5 is provided between the longitudinal joint end 3 of the section of jurisdiction 1 that radially adjoining is set,The circumferential weld end of section of jurisdiction 1 offers circumferential weld groove 6,The longitudinal joint end 3 of section of jurisdiction 1 offers longitudinal joint groove 7,Circumferential weld groove 6,The section of longitudinal joint groove 7 is dovetail-shape,The one end of circumferential weld sealing strip 4 is circumferential weld straight first 8 and its other end is in the circumferential weld dovetail first 9 being engaged with circumferential weld groove 6,The circumferential weld straight first 8 of circumferential weld sealing strip 4 is inserted in the circumferential weld groove 6 of section of jurisdiction 1 and its circumferential weld dovetail first 9 is inserted in the circumferential weld end 2 with the section of jurisdiction 1 of the axially adjacent setting in section of jurisdiction 1,One end of longitudinal joint sealing strip 3 is longitudinal joint straight first 10 and its other end is in the longitudinal joint dovetail first 11 being engaged with longitudinal joint groove 7,The longitudinal joint straight first 10 of longitudinal joint sealing strip 5 is inserted in the longitudinal joint groove 7 of section of jurisdiction 1 and its longitudinal joint dovetail first 11 is inserted in the longitudinal joint groove 7 of the section of jurisdiction 1 set with the radially adjoining of section of jurisdiction 1.
The inside of circumferential weld sealing strip 4 offers circumferential weld sealing strip hole 12, and longitudinal joint sealing strip 5 is internally provided with longitudinal joint sealing strip hole 13, and circumferential weld sealing strip hole 12, the inside of longitudinal joint sealing strip hole 13 is filled with gas.
Also include the first sealing strip 16, the second sealing strip 17, first sealing strip 16, the second sealing strip 17 are arranged between the longitudinal joint end 3 of the section of jurisdiction 1 of radially adjoining setting, first sealing strip 16 is located at the side of longitudinal joint sealing strip 5, and the second sealing strip 17 is located at the opposite side of longitudinal joint sealing strip 5.
Also include the 3rd sealing strip 18, the 4th sealing strip 19,3rd sealing strip 18, the 4th sealing strip 19 are arranged between the circumferential weld end 2 of the section of jurisdiction 1 of axially adjacent setting, 3rd sealing strip 18 is located at the side of circumferential weld sealing strip 4, and the 4th sealing strip 19 is located at the opposite side of circumferential weld sealing strip 4.
The longitudinal joint end 3 of the section of jurisdiction 1 of axially adjacent setting is point-blank.
Concrete construction method is followed the steps below：
（1）First by the lining cutting of section of jurisdiction 1 on the inwall of tunneling；
（2）First sealing strip 16, the second sealing strip 17 are fixed on the longitudinal joint end 3 of section of jurisdiction 1, wherein, the first sealing strip 16 is located at the side of longitudinal joint groove 7, and the second sealing strip 17 is located at the opposite side of longitudinal joint groove 7；
（3）The longitudinal joint dovetail first 11 of longitudinal joint sealing strip 13 is inserted in the longitudinal joint groove 7 of the section of jurisdiction 1 set with the radially adjoining of section of jurisdiction 1, then the longitudinal joint of longitudinal joint sealing strip 5 straight first 10 is inserted in the longitudinal joint groove 7 of section of jurisdiction 1；
（4）The section of jurisdiction 1 set from radially adjoining exerts a force to the direction of section of jurisdiction 1, the longitudinal joint straight first 10 of longitudinal joint sealing strip 5 fills up the longitudinal joint groove 7 of section of jurisdiction 1, gap between the section of jurisdiction 1 that section of jurisdiction 1, radially adjoining is set is shut by the first sealing strip 16, the second sealing strip 17, then by the lining cutting of radially adjoining section of jurisdiction 1 on the inwall of tunneling；
（5）Repeat step（1）-（4）, section of jurisdiction 1 is radially sequentially connected, form loop configuration；
（6）3rd sealing strip 18, the 4th sealing strip 19 are fixed on the circumferential weld end of section of jurisdiction 1, wherein, the 3rd sealing strip 18 is located at the side of circumferential weld groove 6, and the 4th sealing strip 19 is located at the opposite side of circumferential weld groove 6；
（7）The circumferential weld dovetail first 9 of circumferential weld sealing strip 4 is inserted in the circumferential weld groove 6 with the section of jurisdiction 1 of the axially adjacent setting in section of jurisdiction 1, then the circumferential weld of circumferential weld sealing strip 4 straight first 8 is inserted in the circumferential weld groove 6 of section of jurisdiction 1；
（8）Exerted a force from the section of jurisdiction 1 of axially adjacent setting to the direction of section of jurisdiction 1, the circumferential weld straight first 8 of circumferential weld sealing strip 4 fills up the circumferential weld groove 6 of section of jurisdiction 1, shut by the 3rd sealing strip 18, the 4th sealing strip 19 in gap between section of jurisdiction 1, the section of jurisdiction 1 of axially adjacent setting, then by the lining cutting of section of jurisdiction 1 of axially adjacent setting on the inwall of tunneling, realizing that section of jurisdiction 1 axially extends.
Compared with conventional method, the section of jurisdiction constructed using the structures and methods of the present embodiment, in the case of use time identical, the incidence of underground water seepage is only the 1/50 of traditional structure and method construction section of jurisdiction, and underground water Seepage is substantially reduced.
Embodiment 2
Referring to 2-6,8,10,15-18,23-26, section of jurisdiction 21, section of jurisdiction 1 are radially adjoining setting in Fig. 2, and section of jurisdiction 20, section of jurisdiction 1 are axially adjacent setting；
A kind of shield duct piece waterproof construction,Including section of jurisdiction 1,The curved structure in section of jurisdiction 1,Axially upper relative two ends are for circumferential weld end 2 and its diametrically opposite two ends is longitudinal joint end 3 for section of jurisdiction 1,Circumferential weld sealing strip 4 is provided between the circumferential weld end 2 of the section of jurisdiction 1 of axially adjacent setting,Longitudinal joint sealing strip 5 is provided between the longitudinal joint end 3 of the section of jurisdiction 1 that radially adjoining is set,The circumferential weld end of section of jurisdiction 1 offers circumferential weld groove 6,The longitudinal joint end 3 of section of jurisdiction 1 offers longitudinal joint groove 7,Circumferential weld groove 6,The section of longitudinal joint groove 7 is dovetail-shape,The one end of circumferential weld sealing strip 4 is circumferential weld straight first 8 and its other end is in the circumferential weld dovetail first 9 being engaged with circumferential weld groove 6,The circumferential weld straight first 8 of circumferential weld sealing strip 4 is inserted in the circumferential weld groove 6 of section of jurisdiction 1 and its circumferential weld dovetail first 9 is inserted in the circumferential weld end 2 with the section of jurisdiction 1 of the axially adjacent setting in section of jurisdiction 1,One end of longitudinal joint sealing strip 3 is longitudinal joint straight first 10 and its other end is in the longitudinal joint dovetail first 11 being engaged with longitudinal joint groove 7,The longitudinal joint straight first 10 of longitudinal joint sealing strip 5 is inserted in the longitudinal joint groove 7 of section of jurisdiction 1 and its longitudinal joint dovetail first 11 is inserted in the longitudinal joint groove 7 of the section of jurisdiction 1 set with the radially adjoining of section of jurisdiction 1.
The inside of circumferential weld sealing strip 4 offers circumferential weld sealing strip hole 12, and longitudinal joint sealing strip 5 is internally provided with longitudinal joint sealing strip hole 13.
Circumferential weld sealing strip hole 12, the inside of longitudinal joint sealing strip hole 13 are filled with liquid.
Circumferential weld is straight first 8 to be extended to form circumferential weld pawl 14 to both sides, and circumferential weld pawl 14 is located in the circumferential weld groove 6 of section of jurisdiction 1.
Longitudinal joint is straight first 10 to be extended to form longitudinal joint pawl 15 to both sides, and longitudinal joint pawl 15 is located in the longitudinal joint groove 7 of section of jurisdiction 1.
Also include the first sealing strip 16, the second sealing strip 17, first sealing strip 16, the second sealing strip 17 are arranged between the longitudinal joint end 3 of the section of jurisdiction 1 of radially adjoining setting, first sealing strip 16 is located at the side of longitudinal joint sealing strip 5, and the second sealing strip 17 is located at the opposite side of longitudinal joint sealing strip 5.
Also include the 3rd sealing strip 18, the 4th sealing strip 19,3rd sealing strip 18, the 4th sealing strip 19 are arranged between the circumferential weld end 2 of the section of jurisdiction 1 of axially adjacent setting, 3rd sealing strip 18 is located at the side of circumferential weld sealing strip 4, and the 4th sealing strip 19 is located at the opposite side of circumferential weld sealing strip 4.
The longitudinal joint end 3 of the section of jurisdiction 1 of axially adjacent setting is staggered.
Concrete construction method is followed the steps below：
（1）First by the lining cutting of section of jurisdiction 1 on the inwall of tunneling；
（2）First sealing strip 16, the second sealing strip 17 are fixed on the longitudinal joint end 3 of section of jurisdiction 1, wherein, the first sealing strip 16 is located at the side of longitudinal joint groove 7, and the second sealing strip 17 is located at the opposite side of longitudinal joint groove 7；
（3）The longitudinal joint dovetail first 11 of longitudinal joint sealing strip 13 is inserted in the longitudinal joint groove 7 of the section of jurisdiction 1 set with the radially adjoining of section of jurisdiction 1, then the longitudinal joint straight first 10 with longitudinal joint pawl 15 on longitudinal joint sealing strip 5 is inserted in the longitudinal joint groove 7 of section of jurisdiction 1；
（4）The section of jurisdiction 1 set from radially adjoining exerts a force to the direction of section of jurisdiction 1, the longitudinal joint straight first 10 of longitudinal joint sealing strip 5 fills up the longitudinal joint groove 7 of section of jurisdiction 1, gap between the section of jurisdiction 1 that section of jurisdiction 1, radially adjoining is set is shut by the first sealing strip 16, the second sealing strip 17, then by the lining cutting of radially adjoining section of jurisdiction 1 on the inwall of tunneling；
（5）Repeat step（1）-（4）, section of jurisdiction 1 is radially sequentially connected, form loop configuration；
（6）3rd sealing strip 18, the 4th sealing strip 19 are fixed on the circumferential weld end of section of jurisdiction 1, wherein, the 3rd sealing strip 18 is located at the side of circumferential weld groove 6, and the 4th sealing strip 19 is located at the opposite side of circumferential weld groove 6；
（7）The circumferential weld dovetail first 9 of circumferential weld sealing strip 4 is inserted in the circumferential weld groove 6 with the section of jurisdiction 1 of the axially adjacent setting in section of jurisdiction 1, then the circumferential weld straight first 8 with circumferential weld pawl 14 on circumferential weld sealing strip 4 is inserted in the circumferential weld groove 6 of section of jurisdiction 1；
（8）Exerted a force from the section of jurisdiction 1 of axially adjacent setting to the direction of section of jurisdiction 1, the circumferential weld straight first 8 of circumferential weld sealing strip 4 fills up the circumferential weld groove 6 of section of jurisdiction 1, shut by the 3rd sealing strip 18, the 4th sealing strip 19 in gap between section of jurisdiction 1, the section of jurisdiction 1 of axially adjacent setting, then by the lining cutting of section of jurisdiction 1 of axially adjacent setting on the inwall of tunneling, realizing that section of jurisdiction 1 axially extends.
Compared with conventional method, the section of jurisdiction constructed using the structures and methods of the present embodiment, in the case of use time identical, the incidence of underground water seepage is only the 1/53 of traditional structure and method construction section of jurisdiction, and underground water Seepage is substantially reduced.
2 embodiments of the invention have been described in detail above, but the content is only presently preferred embodiments of the present invention, it is impossible to it is considered as limiting practical range of the invention.All impartial changes made according to the present patent application scope and improvement etc., all should still belong within patent covering scope of the invention.
Claims (9)
1. a kind of shield duct piece waterproof construction,Including section of jurisdiction,The curved structure in section of jurisdiction,Axially upper relative two ends are for circumferential weld end and its diametrically opposite two ends is longitudinal joint end for the section of jurisdiction,Circumferential weld sealing strip is provided between the circumferential weld end of the section of jurisdiction of axially adjacent setting,Longitudinal joint sealing strip is provided between the longitudinal joint end of the section of jurisdiction that radially adjoining is set,It is characterized in that,The circumferential weld end of the section of jurisdiction offers circumferential weld groove,The longitudinal joint end of the section of jurisdiction offers longitudinal joint groove,The circumferential weld groove,The section of longitudinal joint groove is dovetail-shape,Described circumferential weld sealing strip one end is for the straight head of circumferential weld and its other end is in the circumferential weld dovetail head with circumferential weld fit depressions,The straight head of circumferential weld of the circumferential weld sealing strip is inserted in the circumferential weld groove of section of jurisdiction and its circumferential weld dovetail head is inserted in the circumferential weld end with the section of jurisdiction of the axially adjacent setting in the section of jurisdiction,One end of the longitudinal joint sealing strip is for the straight head of longitudinal joint and its other end is in the longitudinal joint dovetail head with longitudinal joint fit depressions,The straight head of longitudinal joint of the longitudinal joint sealing strip is inserted in the longitudinal joint groove of section of jurisdiction and its longitudinal joint dovetail head is inserted in the longitudinal joint groove of the section of jurisdiction set with the section of jurisdiction radially adjoining.
2. a kind of shield duct piece waterproof construction according to claim 1, it is characterised in that：The inside of the circumferential weld sealing strip offers circumferential weld sealing strip hole, and the longitudinal joint sealing strip is internally provided with longitudinal joint sealing strip hole.
3. a kind of shield duct piece waterproof construction according to claim 2, it is characterised in that：The circumferential weld sealing strip hole, the inside of longitudinal joint sealing strip hole are filled with gas or liquid.
4. a kind of shield duct piece waterproof construction according to claim 1, it is characterised in that：The straight head of circumferential weld extends to form circumferential weld pawl to both sides, and the circumferential weld pawl is located in the circumferential weld groove of section of jurisdiction.
5. a kind of shield duct piece waterproof construction according to claim 1, it is characterised in that：The straight head of longitudinal joint extends to form longitudinal joint pawl to both sides, and the longitudinal joint pawl is located in the longitudinal joint groove of section of jurisdiction.
6. a kind of shield duct piece waterproof construction according to claim 1, it is characterised in that：Also include the first sealing strip, the second sealing strip, first sealing strip, the second sealing strip are arranged between the longitudinal joint end of the section of jurisdiction of radially adjoining setting, first sealing strip is located at the side of longitudinal joint sealing strip, and second sealing strip is located at the opposite side of longitudinal joint sealing strip.
7. a kind of shield duct piece waterproof construction according to claim 1, it is characterised in that：Also include the 3rd sealing strip, the 4th sealing strip, 3rd sealing strip, the 4th sealing strip are arranged between the circumferential weld end of the section of jurisdiction of axially adjacent setting, 3rd sealing strip is located at the side of circumferential weld sealing strip, and the 4th sealing strip is located at the opposite side of circumferential weld sealing strip.
8. a kind of shield duct piece waterproof construction according to claim 1, it is characterised in that：The longitudinal joint end of the section of jurisdiction of axially adjacent setting point-blank or is staggered.
9. a kind of construction method of shield duct piece waterproof construction, it is characterised in that follow the steps below：
（1）First by the pipe-plate lining on the inwall of tunneling；
（2）First sealing strip, the second sealing strip are fixed on the longitudinal joint end of section of jurisdiction, wherein, the first sealing strip is located at the side of longitudinal joint groove, and the second sealing strip is located at the opposite side of longitudinal joint groove；
（3）The longitudinal joint dovetail head of the longitudinal joint sealing strip is inserted in the longitudinal joint groove of the section of jurisdiction set with section of jurisdiction radially adjoining, then the straight head of the longitudinal joint of longitudinal joint sealing strip is inserted in the longitudinal joint groove of section of jurisdiction；
（4）The section of jurisdiction set from radially adjoining exerts a force to section of jurisdiction direction, the straight head of longitudinal joint of longitudinal joint sealing strip fills up the longitudinal joint groove of section of jurisdiction, gap between the section of jurisdiction that section of jurisdiction, radially adjoining are set is shut by the first sealing strip, the second sealing strip, and the pipe-plate lining for then setting radially adjoining is on the inwall of tunneling；
（5）Repeat step（1）-（4）, section of jurisdiction is radially sequentially connected, form loop configuration；
（6）3rd sealing strip, the 4th sealing strip are fixed on the circumferential weld end of section of jurisdiction, wherein, the 3rd sealing strip is located at the side of circumferential weld groove, and the 4th sealing strip is located at the opposite side of circumferential weld groove；
（7）The circumferential weld dovetail head of the circumferential weld sealing strip is inserted in the circumferential weld groove with the section of jurisdiction of the axially adjacent setting in section of jurisdiction, then the straight head of the circumferential weld of circumferential weld sealing strip is inserted in the circumferential weld groove of section of jurisdiction；
（8）Exerted a force from the section of jurisdiction of axially adjacent setting to section of jurisdiction direction, the straight head of circumferential weld of circumferential weld sealing strip fills up the circumferential weld groove of section of jurisdiction, shut by the 3rd sealing strip, the 4th sealing strip in gap between section of jurisdiction, the section of jurisdiction of axially adjacent setting, then the pipe-plate lining of axially adjacent setting is realized that section of jurisdiction axially extends on the inwall of tunneling.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017151A (en) * | 2019-03-29 | 2019-07-16 | 长安大学 | A kind of high waterproof shield duct piece of H-shaped that can quickly fix |
| CN110130942A (en) * | 2019-06-04 | 2019-08-16 | 江苏迅拓机械有限公司 | A kind of tunnel steel tube piece mounting structure |
| CN110159315A (en) * | 2019-05-07 | 2019-08-23 | 山东大学 | The semi-active connection tunnel of assembled and method suitable for passing through fault belt |
| CN110219669A (en) * | 2019-04-30 | 2019-09-10 | 东北大学 | A kind of prefabricated shield duct piece waterproof construction of Wedged |
| CN114941536A (en) * | 2022-04-25 | 2022-08-26 | 中建八局轨道交通建设有限公司 | Anti-seepage tunnel segment |
| CN115075842A (en) * | 2022-04-25 | 2022-09-20 | 中建八局轨道交通建设有限公司 | Extruding expansion type water-stop pipe piece |
| CN116163765A (en) * | 2023-03-02 | 2023-05-26 | 江苏广泓重工设备有限公司 | Segment for small shield |
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| CN110219669B (en) * | 2019-04-30 | 2021-03-16 | 东北大学 | A wedge-type prefabricated shield segment waterproof structure |
| CN110159315A (en) * | 2019-05-07 | 2019-08-23 | 山东大学 | The semi-active connection tunnel of assembled and method suitable for passing through fault belt |
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| CN115075842A (en) * | 2022-04-25 | 2022-09-20 | 中建八局轨道交通建设有限公司 | Extruding expansion type water-stop pipe piece |
| CN116163765A (en) * | 2023-03-02 | 2023-05-26 | 江苏广泓重工设备有限公司 | Segment for small shield |
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