CN103790179B - Underground continuous wall of shield tunnel - Google Patents
Underground continuous wall of shield tunnel Download PDFInfo
- Publication number
- CN103790179B CN103790179B CN201410041743.3A CN201410041743A CN103790179B CN 103790179 B CN103790179 B CN 103790179B CN 201410041743 A CN201410041743 A CN 201410041743A CN 103790179 B CN103790179 B CN 103790179B
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- junction plate
- substrate
- gusset
- joint
- glass fiber
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Abstract
The invention discloses an underground continuous wall of a shield tunnel. The underground continuous wall comprises a plurality of unit slot sections connected in sequence, wherein glass fiber rib cages in every two adjacent unit slot sections are connected through construction connectors. Each construction connector comprises a first connector part and a second connector part which are connected in the length direction, wherein the second connector part comprises a body with a cross-shaped cross section, the body comprises a first base plate and a second base plate which are perpendicular to each other to form the cross shape and bonded together, a first connecting plate, a second connecting plate, a plurality of first rib plates sequentially arranged in the length direction of the body, and a plurality of second rib plates sequentially arranged in the length direction of the body are bonded to the body, the first connecting plate and the second connecting plate are bonded to the same side of the first base plate and are symmetrical about the second base plate in a parallel mode, the first rib plates and the second rib plates are located on the same side of the first base plate and are symmetrical about the second base plate, and the first base plate, the second base plate, the first connecting plate, the second connecting plate, the first rib plates and the second rib plates are all glass fiber plates.
Description
Technical field
the present invention relates to a kind of diaphragm wall of shield tunnel, belong to shield structure field.
Background technology
diaphragm wall is a kind of space enclosing structure adopted in deep-foundation pit engineering, adopt a kind of trench machine, along the periphery axis of deep excavation base pit engineering, under mud off condition, excavate out a long and narrow deep trouth, after clear groove, install reinforcing cage in groove, then builds up a unit groove section with tremie method underwater concreting with tremie method, carries out so piecemeal, build up one continuous print steel concrete wall in underground, as intercepting water, antiseepage, load-bearing, water-retaining structure.
a construction joint that two adjacent unit groove sections can be made to couple together to be set up, also referred to as the seam that groove is intersegmental between two adjacent unit groove sections.The construction joint of diaphragm wall is generally divided into two kinds, and one is flexible joint, and feature is that shearing resistance, bending resistance are poor, and has comparatively unobstructed penetrating passage, such as: locking notch pipe joint, and reinforced concrete prefabricated joint, " V " shape steel plate joint; Another is rigid joint, and feature is can vertical shear between transmission groove section, and possesses good sealing performance, such as: i shaped steel joint, and cross steel plate joint etc.
cross steel plate joint is with the thick steel plate of about 10mm, is welded into " ten " word shape at the scene, and be welded into one with the horizontal bar of groove section reinforcing cage end in advance, integral hoisting is transferred in the groove section excavated.Because diaphragm wall part is positioned at shield crossing scope, diaphragm wall concrete within the scope of shield crossing and reinforcing bar, cross steel plate all cut off by the method that artificial chisel will be adopted to remove during shield machine driving, general employing acetylene-oxygen cutting, this method wastes time and energy uneconomical, and likely causes native sand, underground water to be gushed out from cutting position.
Summary of the invention
for solving the problem, the object of the present invention is to provide a kind of diaphragm wall of shield tunnel, the diaphragm wall being positioned at shield crossing scope can directly be smashed when tunneling by shield machine.
in order to reach above object, the technical solution used in the present invention is: the diaphragm wall of shield tunnel, it comprises the some sections of unit groove sections be connected successively, each unit groove section comprises the glass fiber-reinforced polymer cage be connected to form by some glass fiber-reinforced polymer, the concrete wall of placing on glass fiber-reinforced polymer cage, be connected by construction joint between glass fiber-reinforced polymer cage in adjacent two unit groove sections, construction joint comprises the first joint and the second joint that are connected in the longitudinal direction, first joint is cross steel plate, it is criss-cross body that second joint comprises cross section, body comprises vertical formation cross also mutually bonding first substrate and second substrate mutually, body is bonded with the first junction plate, second junction plate, multiple first gussets set gradually along body length direction, multiple second gussets set gradually along body length direction, first junction plate and the second junction plate are bonded in the same side of first substrate and parallel symmetry about second substrate, one end of each first gusset is connected with first substrate, the other end of each first gusset is mutually bonding with second substrate, one end of each second gusset is mutually bonding with first substrate, the other end of each second gusset is mutually bonding with second substrate, first gusset and the second gusset are positioned at the same side of first substrate and symmetrical about second substrate, first substrate, second substrate, the first junction plate, the second junction plate, the first gusset, the second gusset are glass wool board, and in glass wool board, content of glass fiber is 70% ~ 80%, and the resin in glass wool board is epoxy resin.
further, first substrate comprises the 3rd junction plate and the 4th junction plate, second substrate comprises the 5th junction plate and the 6th junction plate, and one article of limit of the 3rd junction plate, one article of limit of the 4th junction plate, one article of limit of the 5th junction plate and one article of limit of the 6th junction plate bond together mutually and make the 3rd junction plate, the 4th junction plate, the 5th junction plate and the 6th junction plate form cross.
further, the first gusset, the second gusset, the first junction plate, the second junction plate are all positioned at the same side of first substrate.
further, the first gusset, the second gusset, the 6th junction plate are positioned at the same side of first substrate, and the width of the 5th junction plate is greater than the 6th junction plate.
further, the distance between two adjacent the first gussets is 1.5 ± 0.5m, and the distance between two adjacent the second gussets is 1.5 ± 0.5m.
further, the first junction plate and the second junction plate are connected to two relative limits of first substrate.
further, the first joint is connected by junction plate with the second joint, and junction plate is fixedly connected by bolt with the first joint and the second joint respectively.
by adopting technique scheme, the diaphragm wall of shield tunnel of the present invention, reinforcing cage of the prior art is replaced with glass fiber-reinforced polymer cage, and improve cross steel plate joint of the prior art, the second joint that the first joint be made up of cross steel plate and glass wool board are bonded combines and forms construction joint, within the scope of shield crossing, diaphragm wall adopts the second joint to coordinate glass fiber-reinforced polymer cage, when shield structure, without manual demolition, cutter head of shield machine can directly be smashed, and passes through diaphragm wall.The second joint in the technical program is bonded by eight blocks of glass wool boards and forms cross glass wool board, and project organization is reasonable, directly can be smashed by shield machine single-deck, meets again the requirement of the stressed of construction joint and sealing.
Accompanying drawing explanation
accompanying drawing 1 is the structural representation of the diaphragm wall of shield tunnel of the present invention;
accompanying drawing 2 is the cross section structure schematic diagram of the second joint in the diaphragm wall of shield tunnel of the present invention;
accompanying drawing 3 is the perspective view of the second joint in the diaphragm wall of shield tunnel of the present invention;
accompanying drawing 4 is the structural representation of the first joint and the second joint in the diaphragm wall of shield tunnel of the present invention.
number in the figure is:
1, the first junction plate; 2, the second junction plate; 3, the 3rd junction plate; 4, the 4th junction plate; 5, the 5th junction plate; 6, the 6th junction plate; 7, the first gusset; 8, the second gusset; 9, junction plate; 10, bolt; 11, first substrate; 12, second substrate; 13, the first joint; 14, the second joint; 15, glass fiber-reinforced polymer cage.
Detailed description of the invention
below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
as shown in accompanying drawing 1 to accompanying drawing 4, in order to reach above object, the technical solution used in the present invention is: the diaphragm wall of shield tunnel, it comprises the some sections of unit groove sections be connected successively, each unit groove section comprises the glass fiber-reinforced polymer cage 15, the concrete wall of placing on glass fiber-reinforced polymer cage 15 that are connected to form by some glass fiber-reinforced polymer, is connected between the glass fiber-reinforced polymer cage 15 in adjacent two unit groove sections by construction joint.
construction joint comprises at least one first joint 13 and second joint 14 be connected in the longitudinal direction.
first joint 13 is cross steel plate.
it is criss-cross body that second joint 14 comprises cross section, body comprises vertical formation cross also mutually bonding first substrate 11 and second substrate 12 mutually, body is bonded with the first junction plate 1, second junction plate 2, multiple first gussets 7 set gradually along body length direction, multiple second gussets 8 set gradually along body length direction, first junction plate 1 and the second junction plate 2 are bonded in the same side of first substrate 11 and parallel symmetry about second substrate 12, one end of each first gusset 7 is connected with first substrate 11, the other end of each first gusset 7 is mutually bonding with second substrate 12, one end of each second gusset 8 is mutually bonding with first substrate 11, the other end of each second gusset 8 is mutually bonding with second substrate 12, first gusset 7 and the second gusset 8 are positioned at the same side of first substrate 11 and symmetrical about second substrate 12.First gusset 7, second gusset 8, first junction plate 1, second junction plate 2 is all positioned at the same side of first substrate 11.
first substrate 11, second substrate 12, first junction plate 1, second junction plate 2, first gusset 7, second gusset 8 are glass wool board, and in glass wool board, content of glass fiber is 70% ~ 80%, and the resin in glass wool board is epoxy resin.Glass wool board is a kind of composite material by glass fiber and resins synthesis, because it is a kind of known materials, its composition and preparation technology are known, therefore only the content of glass fiber in glass wool board and resinous type are limited in the application, thus the intensity of the second joint in guarantee the application, and other components in glass wool board are repeated no more.
first substrate 11 comprises the 3rd junction plate 3 and the 4th junction plate 4, second substrate 12 comprise one article of limit of the 5th junction plate 5 and the 6th junction plate the 6, three junction plate 3, one article of limit of the 4th junction plate 4, one article of limit of the 5th junction plate 5 and the 6th junction plate 6 one article of limit bond together mutually and make the 3rd junction plate 3, the 4th junction plate 4, the 5th junction plate 5 and the 6th junction plate 6 form cross.
first gusset 7, second gusset 8, the 6th junction plate 6 are positioned at the same side of first substrate 11, one end of first gusset 7 is mutually bonding with the 3rd junction plate 3, the other end is mutually bonding with the 6th junction plate 6, one end of second gusset 8 is mutually bonding with the 4th junction plate 4, the other end is mutually bonding with the 6th junction plate 6, and the width of the 5th junction plate 5 is greater than the 6th junction plate 6.
the identical length etc. of the first junction plate 1, second junction plate 2 in the present embodiment, the 3rd junction plate 3, the 4th junction plate 4, the 5th junction plate 5, the 6th junction plate 6, be 165cm, thickness is 1cm; The width of the first junction plate 1 and the second junction plate 2 is 10cm, and the width of the 3rd junction plate 3 and the 4th junction plate 4 is 50cm, and the width of the 5th junction plate 5 is 35cm, and the width of the 6th junction plate 6 is 25cm.
the length of the first gusset 7 and the second gusset 8 is 14cm, and the abutting edge of the first gusset 7 and the 3rd junction plate 3 distance second substrate 12 is 10cm, and the abutting edge distance second substrate 12 of the second gusset 7 and the 4th junction plate 4 is 10cm.Distance between two adjacent the first gussets 7 is 1.5 ± 0.5m, and be preferably 1.5m, the distance between two adjacent the second gussets 8 is 1.5 ± 0.5m, is preferably 1.5m.
first junction plate 1 and the second junction plate 2 are connected to two relative limits of first substrate 11.In the present embodiment, one article of limit of the first junction plate 1 is bonded on another article of limit relative with its one article of above-mentioned limit of the 3rd junction plate 3, and one article of limit of the second junction plate 2 is bonded on another article of limit relative with its one article of above-mentioned limit of the 4th junction plate 4.
first joint is connected by junction plate 9 with the second joint 14, and the junction plate 9 in the present embodiment is as shown in Figure 3 fixedly connected by bolt 10 with the first joint 13 and the second joint 14 respectively.In practical application, junction plate 9 and the first joint 13(and cross steel plate) between also can adopt the connected mode be welded and fixed.
connection between first joint 13 with the first joint 13 is also connected by junction plate 9, and junction plate 9 is fixedly connected by bolt 10 with the first joint 13 and the second joint 14 respectively.
above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. the diaphragm wall of a shield tunnel, it comprises the some sections of unit groove sections be connected successively, it is characterized in that: each unit groove section comprises the glass fiber-reinforced polymer cage (15) be connected to form by some glass fiber-reinforced polymer, the concrete wall of placing on described glass fiber-reinforced polymer cage (15), be connected by construction joint between glass fiber-reinforced polymer cage (15) in adjacent two unit groove sections, described construction joint comprises the first joint (13) and the second joint (14) that are connected in the longitudinal direction, described the first joint (13) is cross steel plate, it is criss-cross body that described the second joint (14) comprises cross section, described body comprises vertical formation cross also mutually bonding first substrate (11) and second substrate (12) mutually, described body is bonded with the first junction plate (1), second junction plate (2), multiple first gussets (7) set gradually along body length direction, multiple second gussets (8) set gradually along body length direction, described the first junction plate (1) and the second junction plate (2) are bonded in the same side of described first substrate (11) and parallel symmetry about described second substrate (12), one end of each described the first gusset (7) is connected with first substrate (11), the other end of each first gusset (7) is mutually bonding with second substrate (12), one end of each described the second gusset (8) is mutually bonding with first substrate (11), the other end of each second gusset (8) is mutually bonding with second substrate (12), described the first gusset (7) and the second gusset (8) are positioned at the same side of first substrate (11) and symmetrical about second substrate (12), described first substrate (11), second substrate (12), first junction plate (1), second junction plate (2), first gusset (7), second gusset (8) is glass wool board, described first substrate (11) comprises the 3rd junction plate (3) and the 4th junction plate (4), described second substrate (12) comprises the 5th junction plate (5) and the 6th junction plate (6), one article of limit of the 3rd described junction plate (3), one article of limit of the 4th junction plate (4), one article of limit of the 5th junction plate (5) and one article of limit of the 6th junction plate (6) bond together mutually and make the 3rd junction plate (3), 4th junction plate (4), 5th junction plate (5) and the 6th junction plate (6) form cross, distance between adjacent two described first gussets (7) is 1.5 ± 0.5m, distance between two adjacent the second gussets (8) is 1.5 ± 0.5m, described the first joint (13) is connected by junction plate (9) with the second joint (14), described junction plate (9) is fixedly connected by bolt (10) with the first joint (13) and the second joint (14) respectively.
2. the diaphragm wall of shield tunnel according to claim 1, is characterized in that: described the first gusset (7), the second gusset (8), the first junction plate (1), the second junction plate (2) are all positioned at the same side of first substrate (11).
3. the diaphragm wall of shield tunnel according to claim 1, it is characterized in that: described the first gusset (7), the second gusset (8), the 6th junction plate (6) are positioned at the same side of first substrate (11), and the width of the 5th junction plate (5) is greater than the 6th junction plate (6).
4. the diaphragm wall of shield tunnel according to claim 1, is characterized in that: described the first junction plate (1) and the second junction plate (2) are connected to two relative limits of first substrate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410041743.3A CN103790179B (en) | 2014-01-28 | 2014-01-28 | Underground continuous wall of shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410041743.3A CN103790179B (en) | 2014-01-28 | 2014-01-28 | Underground continuous wall of shield tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103790179A CN103790179A (en) | 2014-05-14 |
| CN103790179B true CN103790179B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410041743.3A Expired - Fee Related CN103790179B (en) | 2014-01-28 | 2014-01-28 | Underground continuous wall of shield tunnel |
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| CN (1) | CN103790179B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677789A (en) * | 2016-12-12 | 2017-05-17 | 上海市基础工程集团有限公司 | Construction method for full cross-section traversing of glass fiber-reinforced polymer underground diaphragm wall through shield |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3646698B2 (en) * | 2001-12-28 | 2005-05-11 | 鹿島建設株式会社 | Construction method for underground structures |
| CN101608551B (en) * | 2009-06-15 | 2011-06-22 | 广东华隧建设股份有限公司 | Closed origin and arrival construction method of shield machine |
| CN101608447A (en) * | 2009-07-10 | 2009-12-23 | 上海隧道工程股份有限公司 | A kind of cross steel plate water-stopping joint continuous concrete wall and joint construction method thereof |
| CN103321242B (en) * | 2013-06-13 | 2015-04-01 | 中铁隧道集团有限公司 | Subsection steel-bar-distribution prestressed concrete continuous wall and construction method thereof |
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2014
- 2014-01-28 CN CN201410041743.3A patent/CN103790179B/en not_active Expired - Fee Related
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| CN103790179A (en) | 2014-05-14 |
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Inventor after: Xu Huibin Inventor after: Zhang Yingming Inventor after: Xia Pengju Inventor after: Zhao Xiaopeng Inventor after: Shao Mingyue Inventor after: Chen Yu Inventor after: Tian Yi Inventor before: Yao Zhanhu Inventor before: Zhang Yingming Inventor before: Xia Pengju Inventor before: Zhao Xiaopeng Inventor before: Shao Mingyue Inventor before: Chen Yu Inventor before: Tian Yi |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20210128 |