CN104762991B - The attachment structure of a kind of fender post and underground structure body pillar and method of attachment - Google Patents
The attachment structure of a kind of fender post and underground structure body pillar and method of attachment Download PDFInfo
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- CN104762991B CN104762991B CN201510165799.4A CN201510165799A CN104762991B CN 104762991 B CN104762991 B CN 104762991B CN 201510165799 A CN201510165799 A CN 201510165799A CN 104762991 B CN104762991 B CN 104762991B
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- wall
- basement
- body pillar
- underground structure
- fender post
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of fender post and the attachment structure of underground structure body pillar and method of attachment, including underground connection wall and underground structure body pillar, described underground structure body pillar is connected on fender post through outer wall of basement, described body pillar has a circle bracket, described bracket is contacted with outer wall of basement by middle elastic pillow wooden unit, inhibitory action is played in skew to outer wall of basement, waterproof roll is pasted outside outer wall of basement, then lay styrofoam protective materials, finally backfill closely knit.The connected mode using the present invention can make the power in structural beams and moment of flexure be applied directly on fender post, thus reduces the thickness of outer wall of basement, make the stress of underground structure more rationally, deformation more coordinates.
Description
Technical field
The present invention relates to the method for attachment of a kind of fender post and main structure body beam, be particularly suited for utilizing fender post to undertake a part for load as agent structure.
Background technology
In deep basic pit project in city excavates, building enclosure also serves as the case of agent structure and gets more and more, and Main has: utilize diaphram wall to also serve as a part for structure outer wall of basement；Or in conjunction with contrary sequence method using inner support as agent structure beam etc..In general, this way utilizing building enclosure the to also serve as agent structure advantage such as mainly rely on the impermeability of diaphram wall good.But most deep basal pits still use cast-in-situ bored pile as building enclosure, utilize fender post to also serve as the scheme of agent structure the most immature.
Chinese patent CN 202347534 U discloses the force transferring structure between a kind of foundation pit supporting pile and outer wall of basement, reached by the bracket on outer wall of basement and go along with sb. to guard him more than dowel crown beam, bracket is fixed by the utilization collar tie beam that bears down on one, make outer wall of basement couple together with fender post, increase the anti-floating of agent structure.
Chinese patent CN 103981896 A discloses the seamless link construction method of a kind of outer wall of basement and fender post, directly inside fender post m esh-hanging sprayed concrete as metope, then it is close to fender post and does outer wall of basement, fender post is enable directly to bear the horizontal loading of underground structure, decrease working procedure, save the engineering time, decrease the use of mould material.
Chinese patent CN 103669402 A discloses the method for the mixture of piles and concrete wallization structure that a kind of main body outer wall of basement combines with fender post, be sticked successively between outer wall of basement and fender post shotcrete with steel bar nets layer, heat-insulation layer, flexible waterproof layer along outer wall of basement side, and power transmission strip is set outside outer wall of basement, the horizontal loading of agent structure is passed to fender post, consider the stiffness contribution of fender post, can the thickness of thinning outer wall of basement.
Fender post is more than used to also serve as in the scheme of agent structure, fender post and agent structure are hinged, i.e. can not undertake the moment of flexure of agent structure, vertical axis power or level can only be born to shearing, structural load is main or is undertaken from Shenzhu, wall by main body, fender post is little to the contribution of main body rigidity, and its advantage is not brought into play.
Summary of the invention
The present invention be directed to above-mentioned technical deficiency, propose the connected mode between a kind of novel fender post and agent structure, give full play to the rigidity of fender post, make underground main body structure stress more rationally, deformation more coordinates.
The technical solution used in the present invention is as follows:
A kind of fender post and the attachment structure of underground structure body pillar, including fender post and underground structure body pillar, described underground structure body pillar is connected on fender post through outer wall of basement, described body pillar has a circle bracket, waterproof layer is laid outside described outer wall of basement, and outside waterproof layer, lay styrofoam protective materials, then the space between outer wall of basement and fender post is backfilled closely knit.Using this structure can make between fender post and agent structure beam to rigidly fix, bear load and the moment of flexure of agent structure, the stress making underground structure is more reasonable.
In underground structure body pillar through buried water stop or expansion type waterstop in having the part and outer wall of basement of outer wall of basement, and have caulking material and encapsulant to ensure the water resistance of seam crossing, make can only transmit between body pillar and outer wall of basement vertical pressure, not Transfer of Shear.
Described bracket is centered by the axis of underground structure body pillar, radial direction along underground structure body pillar arranges a circle and the inner side of bracket outdoor wall located underground, it was used as antiseptic elastic pillow wooden unit between bracket and outer wall of basement to separate, on the one hand the skew of outer wall of basement is controlled, on the other hand when the lateral displacement of agent structure beam is bigger, outer wall of basement can provide support reaction with fender post simultaneously, makes the deformation of agent structure more coordinate.
Reserve dowel or reinforcing bar connector in the junction of fender post Yu underground structure body pillar, and make the support platform of a corbel type in lower section, increase the stability that underground structure body pillar is connected with fender post.
The concrete method of attachment of said structure is as follows:
Step 1 is when fender post is constructed, reserved steel bar connector, when outer wall of basement constructs underground structure main body depth of beam, by fender post dabbing and clean out, colligation underground structure body pillar reinforcing bar, links together reinforcing bar connector reserved with fender post for the reinforcing bar in underground structure body pillar；
Step 2 is laying water-proof coiled material outside outer wall of basement；
Step 3 also lays styrofoam protective materials outside waterproof layer, then by closely knit for the space backfilling material backfill between outer wall of basement and fender post；
Step 4 through buried water stop or expansion type waterstop in having the part and outer wall of basement of outer wall of basement, and has pointing to ensure the water resistance of seam crossing in underground structure body pillar；
Step 5 makes the reinforcing bar of bracket on the reinforcing bar of underground structure body pillar, and described bracket is contacted with outer wall of basement by elastic pillow wooden unit；
Step 6 makes underground structure body pillar and bracket template, underground structure body pillar template is sleeved on outside underground structure body pillar reinforcing bar, casting concrete in template and in bracket；
Step 7 continues up construction outer wall of basement, completes whole underground structure.
In described step 1, in order to increase the stability that underground structure body pillar is connected with fender post, make the support platform of a corbel type in the lower section of junction.
Beneficial effects of the present invention is as follows:
1. use the connected mode of the present invention structural beams to be rigidly connected with fender post, using fender post as the side column of agent structure, make the power in structural beams and moment of flexure be applied directly on fender post, the thickness of outer wall of basement can be reduced, thus saved engineering material.
2. utilize the bracket in structural beams to be contacted with outer wall of basement by middle elastic pillow wooden unit, inhibitory action is played in skew to outer wall of basement, and simultaneously when structural beams deformation is bigger, outer wall of basement can provide Lateral Resistance, the deformation of control structure beam, makes whole agent structure compatibility of deformation.
3., by structural beams, underground structure is rigidly connected with fender post, anti-floating effect and the shock resistance of underground structure can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings；
Fig. 1 is the view in transverse section of junction；
Fig. 2 is the vertical cross-section figure of junction；
In figure: 1 is fender post, 2 is waterproof roll, and 3 is styrofoam protective materials, and 4 is backfilling material, and 5 is outer wall of basement, and 6 is elastic pillow wooden unit, and 7 is underground structure body pillar, and 8 is middle buried water stop, and 9 is pointing, and 10 is bracket.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings:
As shown in Figure 1, 2, a kind of fender post and the attachment structure of underground structure body pillar, including fender post 1 and underground structure body pillar 7, described underground structure body pillar is connected on fender post through outer wall of basement 5, described body pillar has a circle bracket 10, laying water-proof coiled material 2 outside described outer wall of basement, and outside waterproof layer, lay styrofoam protective materials 3, then the space between outer wall of basement and fender post is backfilled closely knit.Using this structure can make between fender post and agent structure beam to rigidly fix, bear load and the moment of flexure of agent structure, the stress making underground structure is more reasonable.
In underground structure body pillar through the buried water stop 8 during both sides have up and down the part and outer wall of basement of outer wall of basement, the right and left is because of the alternative employing expansion type waterstop that substantially do not stresses, and have pointing 9 to ensure the water resistance of seam crossing, make can only transmit between body pillar and outer wall of basement vertical pressure, not Transfer of Shear.
Described bracket 10 is centered by the axis of underground structure body pillar 7, radial direction along underground structure body pillar arranges a circle and the inner side of bracket outdoor wall located underground, it was used as antiseptic elastic pillow wooden unit 6 between bracket 10 and outer wall of basement 5 to separate, on the one hand the skew of outer wall of basement is controlled, on the other hand when the lateral displacement of agent structure beam is bigger, outer wall of basement can provide support reaction with fender post simultaneously, makes the deformation of agent structure more coordinate.
Reserve dowel or reinforcing bar connector in the junction of fender post 1 with underground structure body pillar 7, and make the support platform of a corbel type in lower section, increase the stability that underground structure body pillar is connected with fender post.
The concrete method of attachment of said structure is as follows:
Step 1 is when fender post 1 is constructed, reserved steel bar connector, when the height of outer wall of basement 5 construction to underground structure body pillar 7, by fender post dabbing and clean out, colligation underground structure body pillar reinforcing bar, links together reinforcing bar connector reserved with fender post for the reinforcing bar in underground structure body pillar；
Step 2 is laying water-proof coiled material 2 outside outer wall of basement, by the whole basement of waterproof roll outsourcing；
Step 3 also lays styrofoam protective materials 3 outside waterproof layer, then backfills closely knit by the space backfilling material 4 between outer wall of basement and fender post；
Step 4 through buried water stop 8 in having the part and outer wall of basement of outer wall of basement 5, and has pointing 9 to ensure the water resistance of seam crossing in underground structure body pillar 7；
Step 5 makes the reinforcing bar of bracket 10 on the reinforcing bar of underground structure body pillar 5, and described bracket 10 is contacted with outer wall of basement by elastic pillow wooden unit 6；
Step 6 makes underground structure body pillar 7 and bracket 10 template, underground structure body pillar template is sleeved on outside underground structure body pillar reinforcing bar, casting concrete in template and in bracket；
Step 7 continues up construction outer wall of basement 5, completes whole underground structure.
In described step 1, in order to increase the stability that underground structure body pillar is connected with fender post, make the support platform of a corbel type in the lower section of junction.
Structural beams can be rigidly connected by the connected mode using the present invention with fender post, using fender post as the side column of agent structure, makes the power in structural beams and moment of flexure be applied directly on fender post, can reduce the thickness of outer wall of basement, thus save engineering material.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme, those skilled in the art need not to pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (8)
1. a fender post and the attachment structure of underground structure body pillar, it is characterised in that
Including fender post and underground structure body pillar, described underground structure body pillar is connected on fender post through outer wall of basement, described body pillar has a circle bracket, described bracket is centered by the axis of underground structure body pillar, and the radial direction along underground structure body pillar arranges a circle and the inner side of bracket outdoor wall located underground；Lay waterproof layer outside described outer wall of basement, and the space being equipped with outside waterproof layer between protective materials, and outer wall of basement and fender post is closely knit by backfill.
2. fender post as claimed in claim 1 and the attachment structure of underground structure body pillar, it is characterised in that described protective materials is styrofoam protective materials.
3. fender post as claimed in claim 1 and the attachment structure of underground structure body pillar, it is characterized in that, it was used as antiseptic elastic pillow wooden unit between described bracket and outer wall of basement to separate, on the one hand the skew of outer wall of basement is controlled, on the other hand when the lateral displacement of agent structure beam is bigger, outer wall of basement and fender post provide support reaction simultaneously, make the deformation of agent structure more coordinate.
4. fender post as claimed in claim 1 and the attachment structure of underground structure body pillar, it is characterised in that reserve dowel or reinforcing bar connector in the junction of fender post Yu underground structure body pillar, and make the support platform of a corbel type in lower section.
5. fender post as claimed in claim 1 and the attachment structure of underground structure body pillar, it is characterized in that, in underground structure body pillar through buried water stop or expansion type waterstop in being provided with the part and outer wall of basement of outer wall of basement, and have caulking material and encapsulant to ensure the water resistance of seam crossing, make can only transmit between body pillar and outer wall of basement vertical pressure, not Transfer of Shear.
6. fender post as claimed in claim 1 and the attachment structure of underground structure body pillar, it is characterized in that, it is provided with expansion type waterstop through the part and outer wall of basement of outer wall of basement in underground structure body pillar, and have caulking material and encapsulant to ensure the water resistance of seam crossing, make can only transmit between body pillar and outer wall of basement vertical pressure, not Transfer of Shear.
7. the method for attachment of the attachment structure of fender post as claimed in claim 1 and underground structure body pillar, it is characterised in that
Step 1 is when fender post is constructed, reserved steel bar connector, when outer wall of basement constructs underground structure main body depth of beam, by fender post dabbing and clean out, colligation underground structure body pillar reinforcing bar, links together reinforcing bar connector reserved with fender post for the reinforcing bar in underground structure body pillar；
Step 2 is laying water-proof coiled material outside outer wall of basement；
Step 3 also lays styrofoam protective materials outside waterproof roll, then by closely knit for the space backfilling material backfill between outer wall of basement and fender post；
Step 4 through buried water stop or expansion type waterstop in having the part and outer wall of basement of outer wall of basement, and has pointing to ensure the water resistance of seam crossing in underground structure body pillar；
Step 5 makes the reinforcing bar of bracket on the reinforcing bar of underground structure body pillar, and described bracket is contacted with outer wall of basement by elastic pillow wooden unit；
Step 6 makes underground structure body pillar and bracket template, underground structure body pillar template is sleeved on outside underground structure body pillar reinforcing bar, casting concrete in template and in bracket；
Step 7 continues up construction outer wall of basement, completes whole underground structure.
8. the method for attachment of the attachment structure of fender post as claimed in claim 7 and underground structure body pillar, it is characterised in that reserve dowel or reinforcing bar connector in the junction of fender post Yu underground structure body pillar, and make the support platform of a corbel type in lower section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165799.4A CN104762991B (en) | 2015-04-09 | 2015-04-09 | The attachment structure of a kind of fender post and underground structure body pillar and method of attachment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510165799.4A CN104762991B (en) | 2015-04-09 | 2015-04-09 | The attachment structure of a kind of fender post and underground structure body pillar and method of attachment |
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| CN104762991A CN104762991A (en) | 2015-07-08 |
| CN104762991B true CN104762991B (en) | 2016-09-07 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105133645B (en) * | 2015-08-18 | 2016-10-05 | 中铁第一勘察设计院集团有限公司 | The shaft main body structure of built-in lattice column and inverse make formula construction method |
| CN109208654A (en) * | 2018-10-26 | 2019-01-15 | 中铁第勘察设计院集团有限公司 | The anti-floating system and its construction method that corbel type crown beam is combined with oblique type capping beam |
| CN109577514A (en) * | 2019-01-16 | 2019-04-05 | 上海中森建筑与工程设计顾问有限公司 | Prefabricated sandwich heat preservation exterior wall with dried hanging hang structure |
| CN115341573B (en) * | 2022-08-23 | 2023-09-12 | 广州市市政工程设计研究总院有限公司 | Underground structure girder connecting structure of underground continuous wall and installation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383443A (en) * | 2011-11-28 | 2012-03-21 | 大荣建设集团有限公司 | Connection structures between foundation pit support piles and outer walls of basement and construction method |
| CN202347534U (en) * | 2011-11-28 | 2012-07-25 | 大荣建设集团有限公司 | Force transferring structure between foundation ditch support pile and basement outer wall |
| CN203741870U (en) * | 2013-12-25 | 2014-07-30 | 华东建筑设计研究院有限公司 | Pile-wall integrated structure with combination between main body basement exterior wall and fender pile |
| CN204570728U (en) * | 2015-04-09 | 2015-08-19 | 济南轨道交通集团有限公司 | The syndeton of a kind of fender post and underground structure body pillar |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3587479B2 (en) * | 1995-07-03 | 2004-11-10 | 東急建設株式会社 | Construction method of pile of underground structure using PC member for underground wall |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383443A (en) * | 2011-11-28 | 2012-03-21 | 大荣建设集团有限公司 | Connection structures between foundation pit support piles and outer walls of basement and construction method |
| CN202347534U (en) * | 2011-11-28 | 2012-07-25 | 大荣建设集团有限公司 | Force transferring structure between foundation ditch support pile and basement outer wall |
| CN203741870U (en) * | 2013-12-25 | 2014-07-30 | 华东建筑设计研究院有限公司 | Pile-wall integrated structure with combination between main body basement exterior wall and fender pile |
| CN204570728U (en) * | 2015-04-09 | 2015-08-19 | 济南轨道交通集团有限公司 | The syndeton of a kind of fender post and underground structure body pillar |
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