CN103615017A - Connecting part of underground continuous wall top beam and basement structure top plate - Google Patents

Connecting part of underground continuous wall top beam and basement structure top plate Download PDF

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Publication number
CN103615017A
CN103615017A CN201310663614.3A CN201310663614A CN103615017A CN 103615017 A CN103615017 A CN 103615017A CN 201310663614 A CN201310663614 A CN 201310663614A CN 103615017 A CN103615017 A CN 103615017A
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CN
China
Prior art keywords
basement
ring
board
diaphragm
guan liang
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310663614.3A
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Chinese (zh)
Inventor
邸国恩
黄炳德
王卫东
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East China Architectural Design and Research Institute Co Ltd
Original Assignee
East China Architectural Design and Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by East China Architectural Design and Research Institute Co Ltd filed Critical East China Architectural Design and Research Institute Co Ltd
Priority to CN201310663614.3A priority Critical patent/CN103615017A/en
Publication of CN103615017A publication Critical patent/CN103615017A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the field of foundation pit retaining and protecting and provides a connecting part of an underground continuous wall top beam and a basement structure top plate. The top beam is placed at the top of an underground continuous wall. A wall column is attached on the inner side of the underground continuous wall which is a two-wall-in-one wall body. A reinforced concrete structure annular beam is arranged between the top beam and the basement structure top plate and is fixed together. The annular beam is in an inverted-L shape. An inner notch is buckled on the top beam in a reversed mode. A vertical limb of the annular beam is erected on the wall column and has the same width as the wall column. The face elevation of the annular beam and the face elevation of the basement structure top plate are the same. The section height of the vertical limb of the annular beam is not smaller than the section height of a frame beam of the basement structure top plate. Effective connecting of the top beam and the basement structure top plate is achieved, top beam chiseling removing is avoided, a large amount of manpower and material resources are saved, and foundation pit engineering and underground structure construction are more efficient.

Description

A kind of diaphragm wall Guan Liang is connected with basement structure top board
Technical field
The invention belongs to a kind of connected node structure of diaphragm wall and basement structure top board, can be applied to adopting in the foundation pit supporting project of " two wall unifications " diaphragm wall.
Background technology
Diaphragm wall have anti-side rigidity large, can effectively control the many advantages such as foundation pit deformation protection surrounding enviroment and construction technology maturation, in surrounding enviroment protection, require to have obtained a large amount of application in base pit engineering high and that the excavation of foundation pit degree of depth is darker in recent years.From saving the angle of construction costs, consider, the overwhelming majority selects diaphragm wall all to adopt " two wall unifications " pattern as the engineering of supporting and protection structure, and diaphragm wall, in the Foundation Pit Construction stage as supporting and protection structure, plays the object of gear soil and sealing; In the permanent operational phase of structure, as main body basement structure outer wall, outer wall of underground structure is set no longer in addition.For strengthening the integral rigidity of basement structure, meet stressed and waterproof requirement, " two wall unifications " diaphragm wall is effectively connected with main body underground structure inner horizontal beam slab, structural stud and sole plate by corresponding structure node is set.In the base pit engineering of implementing along the practice, because diaphragm wall and top Guan Liang thereof constructed in the excavation of foundation pit stage, and basement structure top board is construction in later period, conventional way is the basement construction stage to connect body of wall or beam on Guan Liang, and basement structure top board reinforcing bar is anchored into and connect in body of wall or beam.When basement structure top board framework bottom elevation is during lower than hat beam face absolute altitude, way is watered and is connect in body of wall or structural beams after structural beams bottom surface reinforcing bar cannot being anchored into routinely, in common engineering, adopt Guan Liang is partly or entirely cut, together again build with basement structure beam slab, so that basement roof Bar Anchorage.For the larger engineering of foundation ditch area, thisly first cut the huge loss that the method for reforming afterwards not only causes manpower and materials, also can cause the delay of programming.
Summary of the invention
Technical problem to be solved by this invention has been to provide the connected node structure of a kind of diaphragm wall Guan Liang and basement structure top board, this connection is configured to arrange inverted L-shaped structure ring beam between diaphragm wall Guan Liang and structure roof, the two is effectively connected by inverted L-shaped ring beam, avoid Guan Liang to cut.
For solving the problems of the technologies described above, basic scheme of the present invention is: Guan Liang is positioned at the top of diaphragm wall, pilaster is affixed on the inner side of described diaphragm wall, diaphragm wall is " two wall unifications " body of wall, reinforced concrete structure ring beam is arranged between described Guan Liang and steel concrete basement structure top board and is fixed together, described ring beam is inverted L-shaped, interior breach tips upside down on described Guan Liang, the vertical limb frame of described ring beam is in described pilaster, and with described pilaster uniform thickness, the face absolute altitude of described ring beam is with the face absolute altitude of described basement structure top board, the vertical limb depth of section of described ring beam is not less than the Vierendeel girder depth of section of described basement structure top board.
In the present invention, the sectional dimension of ring beam is determined jointly by Vierendeel girder height, hat beam cross sectional dimensions and the pilaster thickness of basement structure top board, the beam reinforced steel bar of basement structure top board anchor in ring beam and with ring beam synchronous construction, ring beam can be connected with Guan Liang by reserved steel bar, and the connected mode between each member belongs to prior art.In the basement roof construction stage, reserved steel bar is stripped out and anchored in ring beam.Between hat back portion and ring beam, rubber fastening band can be set, guarantee the stagnant water effect between constuction joint.
Use due to above-mentioned diaphragm wall Guan Liang and basement structure top board connected node structure, realizing Guan Liang is connected with the effective of basement structure top board, avoid cutting of Guan Liang, saved a large amount of man power and materials, make base pit engineering and Underground Construction more efficient.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example and application construction method, the invention will be further described.
Fig. 1 is the cross-sectional view that the invention process completes.
Fig. 2 is the cross-sectional view of the present invention in the hat beam construction stage.
Fig. 3 is that the present invention is at the connection detail of the reserved vertical connecting reinforcement of hat back portion.
Fig. 4 is that the present invention meets the connection detail of the reserved horizontal connecting reinforcement of hole side at Guan Liang.
Fig. 5 is the connection detail that Guan Liang of the present invention is connected with ring beam.
Fig. 6 is the cross-sectional view of ring beam of the present invention.
The specific embodiment
The present invention is applied to adopt in the foundation pit supporting project of " two wall unifications " diaphragm wall, by being set, inverted L-shaped structure ring beam diaphragm wall Guan Liang effectively can be connected with basement structure top board, avoid cutting Guan Liang, play the effect of convenient construction, saving cost.By reference to the accompanying drawings, specific descriptions are as follows:
As shown in Figure 1, inverted L-shaped structure ring beam 3 is arranged between the hat beam 1 and basement structure top board 4 on diaphragm wall 2 wall tops, the beam reinforced steel bar 8 of basement structure top board 4 anchor in ring beam 3 and with ring beam 3 synchronous constructions, ring beam 3 is by vertical connecting reinforcement 6, level connection joint reinforcing bar 7 and be preced with beam 1 and be connected.
As shown in Figure 2, Figure 3 and Figure 4, the hat beam 1 of diaphragm wall can be reserved vertical connecting reinforcement 6 and level connection joint reinforcing bar 7 when construction; Vertical connecting reinforcement 6 is arranged at hat beam 1 top, and its bottom, top anchor into respectively in hat beam 1 and ring beam 3; Level connection joint reinforcing bar 7 is arranged at hat beam 1 and meets hole side, and one end anchors in hat beam 1, and the other end bends and is positioned over hat beam 1 and meets in the side concrete cover of hole; Diameter, spacing and the anchorage depth of vertical connecting reinforcement 6 and level connection joint reinforcing bar 7 should be by calculative determinations.
As shown in Figure 5, in basement structure top board and ring beam construction stage, the bending segment of reserved horizontal connecting reinforcement 7 is stripped out to stretching (as shown in phantom in Figure 5) and anchor in the vertical limb of ring beam 3; And at hat beam 1 top and ring beam 3 interfaces, rubber fastening band 9 is set, to guarantee the stagnant water effect between constuction joint.
As shown in Figure 6,3 absolute altitudes of ring beam are with the face absolute altitude of basement structure top board 4, ring beam 3 depth of sections are not less than the Vierendeel girder depth of section of basement structure top board 4, ring beam 3 is inverted L-shaped, L shaped interior breach tips upside down on hat beam 1, the vertical limb frame of described ring beam in pilaster 5, and with pilaster 5 uniform thickness.
In the present embodiment, it is only a kind of signal that the reinforcing bar between ring beam, Guan Liang and basement structure top board connects, and in available prior art, either type connects.
The scheme above example of the present invention being provided is introduced in detail, and for one of ordinary skill in the art, the thought according to the embodiment of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.

Claims (2)

1. a diaphragm wall Guan Liang and basement structure top board is connected, Guan Liang (1) is positioned at the top of diaphragm wall (2), pilaster (5) is affixed on the inner side of described diaphragm wall (2), described diaphragm wall (2) is " two wall unifications " body of wall, it is characterized in that: reinforced concrete structure ring beam (3) is arranged between described Guan Liang (1) and steel concrete basement structure top board (4) and is fixed together, described ring beam (3) is inverted L-shaped, interior breach tips upside down on described Guan Liang (1), the vertical limb frame of described ring beam (3) is in described pilaster (5), and with described pilaster (5) uniform thickness, the face absolute altitude of described ring beam (3) is with the face absolute altitude of described basement structure top board (4), the vertical limb depth of section of described ring beam (3) is not less than the Vierendeel girder depth of section of described basement structure top board (4).
2. being connected of a kind of diaphragm wall Guan Liang according to claim 1 and basement structure top board, it is characterized in that: between described Guan Liang (1) top and described ring beam (3), rubber fastening band (9) is set.
CN201310663614.3A 2013-12-10 2013-12-10 Connecting part of underground continuous wall top beam and basement structure top plate Pending CN103615017A (en)

Priority Applications (1)

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CN201310663614.3A CN103615017A (en) 2013-12-10 2013-12-10 Connecting part of underground continuous wall top beam and basement structure top plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310663614.3A CN103615017A (en) 2013-12-10 2013-12-10 Connecting part of underground continuous wall top beam and basement structure top plate

Publications (1)

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CN103615017A true CN103615017A (en) 2014-03-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105735325A (en) * 2016-04-20 2016-07-06 山东大学 Intensified permanent support assembly type basement structure system and construction method
CN110080242A (en) * 2019-04-24 2019-08-02 广州市城市规划勘测设计研究院 The construction method of basement pile wall interaction structural system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101034398B1 (en) * 2007-06-28 2011-05-16 (주)바로건설기술 Land-side protection wall that use ground structure
CN103184747A (en) * 2013-02-26 2013-07-03 上海隧道工程股份有限公司 Method and structure for leakage seepage prevention construction for two-walls-in-one structure of deep-underground engineering
CN203222815U (en) * 2013-02-17 2013-10-02 上海建浩工程顾问有限公司 Composite basement-structure exterior wall construction formed by utilizing underground diaphragm wall
CN203741869U (en) * 2013-12-10 2014-07-30 华东建筑设计研究院有限公司 Connection node structure of underground diaphragm wall top beam and basement structure top plate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101034398B1 (en) * 2007-06-28 2011-05-16 (주)바로건설기술 Land-side protection wall that use ground structure
CN203222815U (en) * 2013-02-17 2013-10-02 上海建浩工程顾问有限公司 Composite basement-structure exterior wall construction formed by utilizing underground diaphragm wall
CN103184747A (en) * 2013-02-26 2013-07-03 上海隧道工程股份有限公司 Method and structure for leakage seepage prevention construction for two-walls-in-one structure of deep-underground engineering
CN203741869U (en) * 2013-12-10 2014-07-30 华东建筑设计研究院有限公司 Connection node structure of underground diaphragm wall top beam and basement structure top plate

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王卫东等: ""两墙合一"设计关键技术问题研究", 《地下空间与工程学报》 *
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105735325A (en) * 2016-04-20 2016-07-06 山东大学 Intensified permanent support assembly type basement structure system and construction method
CN105735325B (en) * 2016-04-20 2018-01-23 山东大学 A kind of intensive permanent support assembled basement structure system and construction method
CN110080242A (en) * 2019-04-24 2019-08-02 广州市城市规划勘测设计研究院 The construction method of basement pile wall interaction structural system

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Application publication date: 20140305