CN105714830B - It is a kind of to be used for the connecting plate of special-shaped double-row pile - Google Patents
It is a kind of to be used for the connecting plate of special-shaped double-row pile Download PDFInfo
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- CN105714830B CN105714830B CN201610075038.4A CN201610075038A CN105714830B CN 105714830 B CN105714830 B CN 105714830B CN 201610075038 A CN201610075038 A CN 201610075038A CN 105714830 B CN105714830 B CN 105714830B
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- connecting plate
- shaped steel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The present invention discloses a kind of connecting plate for special-shaped double-row pile, including front-seat dowel crown beam, heel row wall Guan Liang, connecting plate and it is built in the shaped steel of heel row within the walls, provided with the multiple first vertical muscle, ring muscle, big stirrup and small stirrups in heel row wall Guan Liang, ring muscle is set in outside shaped steel, big stirrup colligation is located on the part outside the flange width scope of shaped steel in the first vertical muscle, and small stirrup colligation is located on the part in the range of the flange width of shaped steel in the first vertical muscle；The multiple second vertical muscle, small U-shaped cage bar and large U type cage bars are provided with connecting plate, the closed end set of small U-shaped cage bar is pulled on ring muscle, and the closed end of large U type cage bar is arranged in heel row wall Guan Liang.The present invention is a kind of to be used for the connecting plate of special-shaped double-row pile, both it can avoid causing connecting plate cage bar can not pass through the problem of heel row wall Guan Liang because shaped steel runs through connecting plate, while can solve shaped steel causes the problem of connecting plate and the shear-carrying capacity and anti-bending bearing capacity of heel row wall Guan Liang intersection are seriously undermined after connecting plate.
Description
Technical field
The invention belongs to pattern foundation pit supporting structure and side slope protection field, and in particular to be a kind of to be used for the connecting plate of special-shaped double-row pile.
Background technology
With the fast development of Process of Urbanization Construction and carrying forward vigorously for cities and towns My Perspective On The Co-building, underground parking, underground commerce are wide
The underground installation construction such as field, underground railway is required for carrying out pattern foundation pit supporting structure.Often tightly neck Urban Buried Pipeline Network is set urban architecture foundation ditch
(such as foggara, gas pipeline, communication cable) and existing building are applied, and level of ground water is higher.Due to neighboring buildings environment
Limitation, often can not carry out pattern foundation pit supporting structure using the soil nailing of property line, anchor pole is surmounted, and cantilever pile is limited due to stiffness by itself,
Supporting depth is shallower, when combination inner support in use, substantial amounts of inner support not only influences operation in earthwork construction and hole, is also difficult to tear open
Remove.And because level of ground water is higher, in addition it is also necessary to water-stop curtain wall of individually constructing, accordingly, there exist long in time limit, the high shortcoming of cost.
And traditional double-row pile is spaced apart due to forward and backward campshed, and it is attached by rigid frame mode, forms tool
There is the cantilevered portal frame structure of stronger rigidity, the gradually popularization and application in the urban architecture foundation ditch of complex building environment, when
When needing to carry out foundation ditch sealing, often construction water-stop curtain wall carries out foundation ditch sealing between forward and backward campshed or on rear side of rear campshed.
Although traditional double-row pile solves the problems, such as the support technology of city foundation ditch under complex building environment, and combines water-stop curtain wall solution
Foundation ditch sealing problem, but upper there is two significant drawbacks：(1) the rear campshed stress of double-row pile is general smaller than preceding campshed
Many, rear campshed still greatly increases construction costs using deposited reinforced concrete pile；(2) Double-row Piles Support foundation ditch is using the curtain that intercepts water
Individually construction is needed during curtain wall sealing, and normally only considers its effect of intercepting water, without considering that its earth-retaining is acted on, material is not only wasted
Material, increases cost, also extends the duration.
And use abnormal shape double-row pile, i.e., front-seat to form preceding campshed using bored concrete pile, heel row uses Soil-cement Wall and interior
Shaped steel formation heel row wall is inserted, preceding campshed and heel row wall are attached the novel double bank to be formed stake knot using rigit-frame beam or connecting plate
Structure, not only optimizes being acted on when native for heel row wall, also also serves as water-stop curtain wall, realize that earth-retaining unites two into one with water stopping function, both
Construction costs is saved, shortens the duration again.
It is therefore, front-seat because the preceding campshed of special-shaped double-row pile and the connected mode of heel row wall directly affect its supporting effect
The connected mode of stake and heel row wall turns into the important component of special-shaped Retaining Structure with Double-row Piles.
The content of the invention
In order to solve before special-shaped double-row pile in be rigidly connected problem and the connecting plate of campshed and heel row wall reinforcing bar in heel row
Insert within the walls at shaped steel and pass through problem, the invention provides a kind of connecting plate for special-shaped double-row pile.Using the connecting plate, both may be used
Avoid causing connecting plate cage bar can not pass through heel row wall Guan Liang problem because shaped steel runs through connecting plate, passed through while shaped steel can be solved
Wearing causes the problem of connecting plate and the shear-carrying capacity and anti-bending bearing capacity of heel row wall Guan Liang intersection are seriously undermined after connecting plate.
In order to solve the above-mentioned technical problem, adopted the technical scheme that：
It is a kind of to be used for the connecting plate of special-shaped double-row pile, including front-seat dowel crown beam, heel row wall Guan Liang, for connecting before campshed and
The connecting plate of heel row wall and the shaped steel that heel row is located at the heel row wall Guan Liang and the connecting plate junction within the walls is built in, institute
State and the multiple first vertical muscle, ring muscle, big stirrup and small stirrups are provided with heel row wall Guan Liang, described first indulges muscle along the heel row wall
The length direction of Guan Liang distinguishes colligation in the heel row wall Guan Liang of the shaped steel both sides, and the ring muscle is set in outside the shaped steel,
The big stirrup colligation is located on the part outside the flange width scope of the shaped steel in the described first vertical muscle, and the small stirrup is tied up
Prick and be located in the described first vertical muscle on the part in the range of the flange width of the shaped steel, the small stirrup is close to the shaped steel
Side set is pulled on the ring muscle；The multiple second vertical muscle, small U-shaped cage bar and large U type cage bars are provided with the connecting plate, it is described
Small U-shaped cage bar is arranged in the range of the flange width of the shaped steel, and the large U type cage bar is arranged on the flange width of the shaped steel
Outside scope, the openend of the small U-shaped cage bar is anchored in the front-seat dowel crown beam, and the closed end set of the small U-shaped cage bar is drawn
On the ring muscle, the openend of the large U type cage bar is anchored in the front-seat dowel crown beam, and the large U type cage bar is remained silent
End is arranged in the heel row wall Guan Liang.
Described first vertical muscle is distributed in the both sides of the shaped steel, and indulging muscle positioned at described the first of described shaped steel the same side respectively has
Multiple, this multiple described first vertical muscle is divided into width of the multiple row along the heel row wall Guan Liang and set, first described in each column
Vertical muscle is divided into short transverse of the multilayer along the heel row wall Guan Liang and set.
The height of the small stirrup is the maximum crust distance between the first vertical muscle described in same column, and the width of the small stirrup is
Maximum crust distance between first vertical muscle described in homonymy.
Short transverse of each the described ring muscle along the shaped steel is set.
The 3rd vertical muscle is banded with the front-seat dowel crown beam.
Due to the application of above-mentioned technology, two hang-ups are successfully solved：
(1) connecting plate shear-carrying capacity problem is solved：Because shaped steel penetrates the connecting portion of connecting plate and heel row wall Guan Liang
Point so that the shear resistance of the connecting plate of shaped steel both sides in this place significantly weakens, and passes through two of the shaped steel in heel row wall Guan Liang
Side sets small stirrup, solves the problems, such as the shear-carrying capacity of connecting plate in this place, by setting big hoop on the inside of heel row wall Guan Liang
Muscle, enhances the shearing resistance bearing strength of connecting plate in this place.
(2) connecting plate anti-bending bearing capacity problem is solved：Because shaped steel penetrates the connecting portion of connecting plate and heel row wall Guan Liang
Point so that the cage bar in connecting plate inevitably disconnects at shaped steel, largely reducing the bending resistance carrying of connecting plate in this place
Power, carries out set drawing by setting small U-shaped cage bar and small stirrup, and using ring muscle, it is ensured that the continuity of stress, solves connection
The anti-bending bearing capacity problem of plate in this place, while setting large U type cage bar insertion connecting plate, also enhances the bending resistance carrying of connecting plate
Ability.
Brief description of the drawings
Fig. 1 is a kind of floor map for the connecting plate for being used for special-shaped double-row pile of the present invention；
Fig. 2 is that (heel row is equipped with type to a kind of cross-sectional view for the connecting plate for being used for special-shaped double-row pile of the present invention within the walls
The part of steel)；
Fig. 3 is that (heel row is within the walls without shaped steel for a kind of cross-sectional view for the connecting plate for being used for special-shaped double-row pile of the present invention
Part).
In figure：
Front-seat dowel crown beam 1 the 3rd indulges muscle 11
Heel row wall Guan Liang 2 first indulges muscle 21 and 21 '
The big stirrup 23 of ring muscle 22
Campshed 3 before small stirrup 24
The connecting plate 5 of heel row wall 4
The second small U-shaped cage bar 52 of vertical muscle 51
The shaped steel 6 of large U type cage bar 53
Embodiment
This case is described in further detail with reference to the accompanying drawings and detailed description.
It is a kind of to be used for the connecting plate of special-shaped double-row pile, such as Fig. 1-Fig. 3, including front-seat dowel crown beam 1, heel row wall Guan Liang 2 and use
In the connecting plate 5 of campshed 3 and heel row wall 4 before connection, the tip position of campshed 3, heel row wall Guan Liang before front-seat dowel crown beam 1 is arranged at
2 are arranged between the tip position of heel row wall 4, front-seat dowel crown beam 1 and heel row wall Guan Liang 2 and are connected with connecting plate 5, the preceding He of campshed 3
Heel row wall 4 passes through the formation double-row pile of connecting plate 5.
The 3rd vertical muscle 11 is banded with front-seat dowel crown beam 1, heel row wall 4 is built-in with shaped steel 6, and the height of shaped steel 6 is higher by heel row
The overhead height 30-50cm of wall Guan Liang 2, shaped steel 6 penetrates the coupling part of connecting plate 5 and heel row wall Guan Liang 2.
Provided with many first vertical muscle 21 and 21 ', ring muscle 22, big stirrup 23 and small stirrups 24 in heel row wall Guan Liang 2, first indulges
The radical of muscle 21 and 21 ' is calculated by requirement of engineering and obtained, in the present embodiment, and the first vertical muscle 21 and 21 ' is symmetrically each in the both sides of shaped steel 6
Colligation 7,14 altogether, the width along heel row wall Guan Liang 2 point of muscle 21 and 21 ' is indulged positioned at the first of the same side of shaped steel 6
Set into two row, height of the row along heel row wall Guan Liang 2 away from shaped steel 6 sets four layer of first vertical muscle 21, close to shaped steel 6
Height of one row along heel row wall Guan Liang 2 sets three layer of first vertical muscle 21 ', and each row in the both sides of shaped steel 6 first indulge the first layer of muscle, the
Two layers and last layer are separately positioned in same level.
Short transverse of the ring muscle 22 along shaped steel 6 is set in outside each shaped steel 6 by default spacing, in the present embodiment, ring
Muscle 22 has four, and the spacing of the ring muscle 22 of the top and the ring muscle 22 of bottom is not more than the first vertical muscle and orlop of the superiors
The first vertical muscle distance.
Big stirrup 23 is arranged between adjacent shaped steel 6, and the edge of a wing of the correspondence shaped steel 6 of muscle 21 and 21 ' is indulged for colligation first
In part outside width range, the present embodiment, the centre of adjacent shaped steel 6 is provided with one big stirrup 23, and small stirrup 24 is set
Both sides in the range of the flange width of shaped steel 6, the flange width scope of the correspondence shaped steel 6 of muscle 21 and 21 ' is indulged for colligation first
In interior part, the present embodiment, respectively there is two small stirrup 24 edge of a wing both sides of each shaped steel 6, and small stirrup 24 is close to shaped steel 6
Side covers nearby to be pulled on ring muscle 22, and the height of small stirrup 24 is that the be locked in a tie for first Zong Jinjian the superiors and orlop first indulges muscle
Crust distance, the width of small stirrup 24 indulges the muscle leftmost side for homonymy first and the crust distance of muscle is indulged in the rightmost side first.
Many second vertical muscle 51, small U-shaped cage bars 52 and large U type cage bar 53 are equipped with connecting plate 5, the second vertical muscle 51 is preceding
Two layers of arrangement above and below dividing in the part of connecting plate 5 between campshed Guan Liang 1 and heel row wall Guan Liang 2, small U-shaped cage bar is disposed on
In connecting plate 5 in the range of the correspondence flange width of shaped steel 6, large U type cage bar is disposed on outside the correspondence flange width scope of shaped steel 6
Connecting plate 5 in, in the present embodiment, at the position of the connecting plate 5 between the adjacent shaped steel 6 of correspondence in be provided with 2 large U type cage bars
53, it is provided with 2 small U-shaped cage bar 52, small U-shaped cage bar 52 in corresponding at the position of the connecting plate 5 in the range of the flange width of shaped steel 6
Openend be anchored in front-seat dowel crown beam 1, the closed end of small U-shaped cage bar 52 covers nearby to be pulled on ring muscle 22, large U type cage bar 53
Openend be anchored in front-seat dowel crown beam 1, the closed end of large U type cage bar 53 is arranged in heel row wall Guan Liang 2, and with it is first vertical
Muscle 21 is together with 21 ' colligations.
Can not be passed through at the shaped steel 6 of heel row wall to solve the cage bar of connecting plate 5 in special-shaped double-row pile causes connecting plate
The problem of shear-carrying capacity and anti-bending bearing capacity are substantially reduced, takes following measures：
(1) in the heel row wall Guan Liang 2 in the range of the flange width of shaped steel 6, the small both sides of the difference colligation of stirrup 24 shaped steel 6 are set
The first vertical muscle 21 and 21 '；In heel row wall Guan Liang 2 between adjacent shaped steel 6, the big colligation of stirrup 23 first is set to indulge the He of muscle 21
21’。
(2) small U-shaped cage bar 52, the opening of small U-shaped cage bar 52 are arranged in the connecting plate 5 in the range of the flange width of shaped steel 6
End is anchored into front-seat dowel crown beam 1, and the closed end of small U-shaped cage bar 52 keeps about 5-10cm distances with the edge of a wing of shaped steel 6, and uses ring
Small U-shaped cage bar 52 and the small stirrup 24 of homonymy are carried out set drawing by muscle 22 with the small stirrup 24 of opposite side；Between adjacent shaped steel 6
Large U type cage bar 53 is arranged in connecting plate 5, the openend of large U type cage bar 53 is anchored in front-seat dowel crown beam 1, large U type cage bar 53
Closed end is arranged in heel row wall Guan Liang 2, and together with the first vertical colligation of muscle 21 and 21 '.
Concrete construction method is：First small U-shaped cage bar 52 and small stirrup 24 are inserted in ring muscle 22, then ring muscle 22 is enclosed on type
Outside steel 6, and the position of small U-shaped cage bar 52 and small stirrup 24 is arranged as above-mentioned, large U type cage bar is arranged between shaped steel 6
53 and big stirrup 23, then penetrate the first vertical muscle 21 and 21 ', second and indulge muscle 51 and the 3rd and indulge muscle 11, adjust each stirrup and cage bar position
Carry out colligation is postponed, last one-piece casting concrete completes the construction of the connecting plate of the special-shaped double-row pile.
After said structure, (1) solves connecting plate shear-carrying capacity problem：Because shaped steel penetrates connecting plate and heel row
The coupling part of wall Guan Liang so that the shear resistance of the connecting plate of shaped steel both sides in this place significantly weakens, by being preced with heel row wall
The both sides of shaped steel in beam set small stirrup, solve the problems, such as the shear-carrying capacity of connecting plate in this place, by being preced with heel row wall
Big stirrup is set on the inside of beam, the shearing resistance bearing strength of connecting plate in this place is enhanced.
(2) connecting plate anti-bending bearing capacity problem is solved：Because shaped steel penetrates the connecting portion of connecting plate and heel row wall Guan Liang
Point so that the cage bar in connecting plate inevitably disconnects at shaped steel, largely reducing the bending resistance carrying of connecting plate in this place
Power, carries out set drawing by setting small U-shaped cage bar and small stirrup, and using ring muscle, it is ensured that the continuity of stress, solves connection
The anti-bending bearing capacity problem of plate in this place, while setting large U type cage bar insertion connecting plate, also enhances the bending resistance carrying of connecting plate
Ability.
A kind of scheme provided above the embodiment of the present invention is discussed in detail, for those of ordinary skill in the art,
According to the thought of the embodiment of the present invention, it will change in specific embodiments and applications.In summary, this theory
Bright book content should not be construed as limiting the invention, and all any changes made according to design philosophy of the present invention are all the present invention's
Within protection domain.
Claims (5)
- Be used for the connecting plate of special-shaped double-row pile 1. a kind of, including front-seat dowel crown beam, heel row wall Guan Liang, for connect preceding campshed and after Arrange the connecting plate of wall and be built in the shaped steel that heel row is located at the heel row wall Guan Liang and the connecting plate junction within the walls, it is special Levy and be：Provided with the multiple first vertical muscle, ring muscle, big stirrup and small stirrups in the heel row wall Guan Liang, the described first vertical muscle along The length direction of the heel row wall Guan Liang distinguishes colligation in the heel row wall Guan Liang of the shaped steel both sides, and the ring muscle is set in institute State outside shaped steel, the big stirrup colligation is located on the part outside the flange width scope of the shaped steel in the described first vertical muscle, institute State small stirrup colligation in the described first vertical muscle to be located on the part in the range of the flange width of the shaped steel, the small stirrup is close The side set of the shaped steel is pulled on the ring muscle；The multiple second vertical muscle, small U-shaped cage bar and big U are provided with the connecting plate Type cage bar, the small U-shaped cage bar is arranged in the range of the flange width of the shaped steel, and the large U type cage bar is arranged on the type Outside the flange width scope of steel, the openend of the small U-shaped cage bar is anchored in the front-seat dowel crown beam, the small U-shaped cage bar Closed end set be pulled on the ring muscle, the openend of the large U type cage bar is anchored in the front-seat dowel crown beam, the big U The closed end of type cage bar is arranged in the heel row wall Guan Liang.
- 2. a kind of connecting plate for special-shaped double-row pile according to claim 1, it is characterised in that：Described first vertical muscle point Cloth indulges muscle in the both sides of the shaped steel, positioned at described the first of described shaped steel the same side respectively multiple, and this multiple described first is indulged Muscle is divided into width of the multiple row along the heel row wall Guan Liang and set, and the first vertical muscle described in each column is divided into multilayer along after described The short transverse for arranging wall Guan Liang is set.
- 3. a kind of connecting plate for special-shaped double-row pile according to claim 2, it is characterised in that：The height of the small stirrup The maximum crust distance spent described in same column between the first vertical muscle, the width of the small stirrup between the described in homonymy first vertical muscle most Big crust distance.
- 4. a kind of connecting plate for special-shaped double-row pile according to claim 1, it is characterised in that：Each described ring muscle edge The short transverse for the shaped steel is set.
- 5. a kind of connecting plate for special-shaped double-row pile according to claim 1, it is characterised in that：The front-seat dowel crown beam Inside it is banded with the 3rd vertical muscle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075038.4A CN105714830B (en) | 2016-02-03 | 2016-02-03 | It is a kind of to be used for the connecting plate of special-shaped double-row pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075038.4A CN105714830B (en) | 2016-02-03 | 2016-02-03 | It is a kind of to be used for the connecting plate of special-shaped double-row pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105714830A CN105714830A (en) | 2016-06-29 |
| CN105714830B true CN105714830B (en) | 2017-09-26 |
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ID=56154717
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610075038.4A Expired - Fee Related CN105714830B (en) | 2016-02-03 | 2016-02-03 | It is a kind of to be used for the connecting plate of special-shaped double-row pile |
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| CN (1) | CN105714830B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847191A (en) * | 2019-11-25 | 2020-02-28 | 华侨大学 | Plate type connecting structure for double-row supporting of front wall and rear pile and construction method of plate type connecting structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0781274B2 (en) * | 1990-11-20 | 1995-08-30 | 日東工業株式会社 | How to build a beam on an underground wall |
| CN2861284Y (en) * | 2005-12-29 | 2007-01-24 | 上海市第二建筑有限公司 | Structure frame beam and gang-piles round protection connection node in inverse engineering |
| CN103321231B (en) * | 2013-06-10 | 2015-11-25 | 叶长青 | Base pit stand construction |
| CN103306289B (en) * | 2013-06-28 | 2015-04-22 | 中国三冶集团有限公司 | Foundation pit piled anchor dado concrete anchor cable top beam structure and construction method thereof |
| CN103758134B (en) * | 2014-01-24 | 2015-09-30 | 中国建筑股份有限公司 | A kind of construction method combining Double-row Piles Support system |
| CN203905018U (en) * | 2014-05-26 | 2014-10-29 | 中国建筑股份有限公司 | Supporting and protecting system with combined double-row piles in combination with oblique anchors |
| CN205421275U (en) * | 2016-02-03 | 2016-08-03 | 华侨大学 | A connecting plate for heterotypic double row pile |
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2016
- 2016-02-03 CN CN201610075038.4A patent/CN105714830B/en not_active Expired - Fee Related
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| CN105714830A (en) | 2016-06-29 |
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