CN103061408B - Powerful confined concrete core wall with obvious columns and hidden beams - Google Patents

Powerful confined concrete core wall with obvious columns and hidden beams Download PDF

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Publication number
CN103061408B
CN103061408B CN201310006854.6A CN201310006854A CN103061408B CN 103061408 B CN103061408 B CN 103061408B CN 201310006854 A CN201310006854 A CN 201310006854A CN 103061408 B CN103061408 B CN 103061408B
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China
Prior art keywords
concrete
dark
steel
columns
frame column
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Expired - Fee Related
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CN201310006854.6A
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Chinese (zh)
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CN103061408A (en
Inventor
赵均
徐金蓓
曾明
李月
侯鹏程
王浩
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Beijing University of Technology
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Beijing University of Technology
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Abstract

The invention relates to a powerful confined concrete core wall with obvious columns and hidden beams, belongs to the field of civil engineering, and is mainly used for constructional engineering. The powerful confined concrete core wall with the obvious columns and the hidden beams comprises a concrete wall body, concrete border columns and the hidden beams in the concrete wall body. Horizontally distributed reinforcing steel bars and vertically distributed reinforcing steel bars are configured in the concrete wall body, and the concrete border columns are arranged at concrete wall body intersection positions on corner portions of the core wall and are obvious columns protruding out of a wall surface. The hidden beams arranged at height positions of every storey are provided with longitudinal bars and hooping bars and extend along horizontal length direction of the wall body, and two ends of the hidden beams are connected with the concrete border columns to form a spatial confined framework. Steel columns are arranged in the concrete border columns and wall body opening edge components, steel beams are arranged in the hidden beams, and the steel beams are rigidly connected with the steel columns to form a steel frame in the concrete wall. The powerful confined concrete core wall with the obvious columns and the hidden beams has good anti-seismic property and can be popularized in high-rise concrete structure buildings.

Description

A kind of strong constraint concrete core cylinder that the dark beam of bright post is set
Technical field
The present invention relates to a kind of strong constraint concrete core cylinder that the dark beam of bright post is set, belong to field of civil engineering, be mainly used in construction work.
Background technology
The develop rapidly of China's economy and society in recent years impels highrise building to build in a large number, and its scale constantly expands, highly constantly increases, and structural system is also more and more diversified.Concrete core cylinder is large due to stiffness by itself, is widely used in, in all kinds of tall building structures system, becoming the main body of structure lateral resisting rigidity.Therefore the performance of Core Walls Structure is directly connected to integrally-built performance.For the highrise building having shockproof requirements, Core Walls Structure then becomes the first line of defence and key member of providing fortification against earthquakes.But common concrete core cylinder Shortcomings in anti-seismic performance, show as, while Core Walls Structure bears structure major part horizontal earthquake action because rigidity is large, the brittleness of concrete material itself makes it easily comparatively fast destroy, its horizontal bearing capacity is caused to decline rapidly, deformation performance is poor, thus affects the seismic seeurity of Core Walls Structure and even total.For this situation, the present invention intends to concrete core cylinder by adopting the measure arranging the bright post of concrete frame and dark beam, and formation strong constraint Core Walls Structure, effectively improves the horizontal bearing capacity of cylindrical shell, distortion and energy dissipation capacity, particularly improve its later stage performance, in order to antidetonation.
Summary of the invention
The bright post dark beam strong constraint concrete core cylinder that the object of the present invention is to provide a kind of anti-seismic performance good.
The present invention adopts following technical scheme:
A kind of strong constraint concrete core cylinder that the dark beam of bright post is set that the present invention proposes, it comprises the dark beam in concrete wall, concrete frame column and concrete wall; Configuration level distribution reinforcement and vertical distribution reinforcement in described concrete wall; Concrete frame column is arranged at the concrete wall intersection of the both direction in Core Walls Structure bight, the horizontal cross section dimension of concrete frame column along adjacent each concrete wall thickness direction on be greater than thickness of wall body respectively, form the rectangle or the bright post of L tee section that protrude from metope, be configured with vertical muscle and stirrup in concrete frame column, the horizontal distribution reinforcing bar in concrete wall extend into anchoring in concrete frame column; The inherent each story height place of concrete wall arranges dark beam, and the width of dark beam is identical with concrete wall body thickness; Dark beam extends along the horizontal length direction of concrete wall in the longitudinal direction, is finally connected with the concrete frame column at two ends respectively.Floor place is provided with to the body of wall of door and window hole, dark depth of beam is got wall hole and is connected depth of beam.Dark top surface of the beam and the bottom surface elongated vertical muscle of configuration stretch in frame columns and carry out anchoring, along described dark beam total length configuration stirrup.Dark beam in concrete frame column and concrete wall forms the space constraint framework of to build with concrete wall as entirety.
Arrange along the through steel column of cylindrical shell short transverse in described concrete frame column and in wall hole edge member, in described concrete wall, the position of the cross section near middle of dark beam arranges along the through girder steel in beam length direction, adopt between girder steel and steel column and be rigidly connected, form the Steel Space skeleton of concrete barrel inside.
Described girder steel and steel column adopt rolling section steel component or welded section steel beam column.
Compared with ordinary reinforced concrete Core Walls Structure, the present invention has the following advantages:
At serviceability limit stage, cylindrical shell rigidity is large, is out of shape little; When violent earthquake effect, the effect of contraction of space frame formed due to frame columns and dark beam and the direct reinforcement to cylindrical shell bight, cylindrical shell Its ultimate bearing capacity and deformability are improved, destroy and postpone, particularly effectively improve its later stage performance, avoid the too early conquassation of cylinder body bottom concrete, make the energy consume mechanism at coupling beam beam-ends plastic hinge and other positions be able to more fully realize.When inner barrel is provided with the Steel Space skeleton that girder steel and steel column formed, steel frame can with start the concrete acting in conjunction entering failure stage, make the cylindrical shell self as system key member form later stage drag system.Therefore, the strong constraint concrete core cylinder arranging the dark beam of bright post that the present invention proposes can obtain positive effect for the anti-seismic performance aspect improving concrete core cylinder, and greatly improves the seismic seeurity of structural system.
Accompanying drawing explanation
The bright post dark beam strong constraint concrete core cylinder floor map of Fig. 1 to be frame columns cross section be rectangle;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the B-B sectional drawing of Fig. 1;
The bright post dark beam strong constraint concrete core cylinder floor map of Fig. 4 to be frame columns cross section be L shape;
Fig. 5 is the A-A sectional drawing of Fig. 4;
Fig. 6 is the B-B sectional drawing of Fig. 4;
In figure: 1, concrete wall, 2, concrete frame column, 3, dark beam in concrete wall, 4, steel column, 5, girder steel, 6, wall hole coupling beam, 7, wall hole edge member, 8, body of wall horizontal distribution reinforcing bar, 9, the vertical distribution reinforcement of body of wall, 10, concrete frame column indulges muscle, 11, concrete frame column tie-bar, 12, wall hidden beam indulges muscle, and 13, wall hidden beam stirrup, 14, door and window hole.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further:
Embodiment 1:
Fig. 1 ~ Figure 3 shows that frame columns section form is the bright post dark beam strong constraint concrete core cylinder of rectangle.Core Walls Structure is combined by the dark beam 3 in concrete wall 1, concrete frame column 2 and concrete wall.Body of wall horizontal distribution reinforcing bar 8 and the vertical distribution reinforcement 9 of body of wall is configured according to a conventional method in concrete wall 1; Concrete frame column 2 is arranged at concrete wall 1 intersection of the both direction in each bight of Core Walls Structure, the horizontal cross section dimension of concrete frame column 2 along adjacent each concrete wall 1 thickness direction on be greater than thickness of wall body respectively, form the bright post in square-section protruding from metope, be configured with concrete frame column in concrete frame column 2 and indulge muscle 10 and concrete frame column tie-bar 11, body of wall horizontal distribution reinforcing bar 8 stretches into concrete frame column 2, reliable anchoring; The inherent each story height place of concrete wall 1 arranges the dark beam 3 in concrete wall, and the width of the dark beam 3 in concrete wall is identical with concrete wall 1 thickness; Dark beam 3 in concrete wall extends along the horizontal length direction of concrete wall 1 in the longitudinal direction, is finally connected with the concrete frame column 2 at two ends respectively.For the concrete wall 1 being provided with door and window hole 14, the dark beam 3 in concrete wall highly should get wall hole coupling beam 6 height.Dark beam 3 end face in concrete wall and bottom surface configure elongated wall hidden beam and indulge muscle 12 and stretch into concrete frame column 2, reliable anchoring, and along the dark beam 3 total length configuration wall hidden beam stirrup 13 in concrete wall.Dark beam 3 in concrete frame column 2 and concrete wall forms the space constraint framework of to build with concrete wall 1 as entirety.Arrange along the through steel column 4 of cylindrical shell short transverse in above-mentioned concrete frame column 2 and wall hole edge member 7, the position of the dark beam 3 cross section near middle in above-mentioned concrete wall arranges the girder steel 5 through along beam length direction, adopt between girder steel 5 and steel column 4 and be rigidly connected, form the Steel Space skeleton of concrete barrel inside.
Embodiment 2:
Fig. 4 ~ Figure 5 shows that frame columns section form is the bright post dark beam strong constraint concrete core cylinder of L shape.Core Walls Structure is combined by the dark beam 3 in concrete wall 1, concrete frame column 2 and concrete wall.Body of wall horizontal distribution reinforcing bar 8 and the vertical distribution reinforcement 9 of body of wall is configured according to a conventional method in concrete wall 1; Concrete frame column 2 is arranged at concrete wall 1 intersection of the both direction in each bight of Core Walls Structure, the horizontal cross section dimension of concrete frame column 2 along adjacent each concrete wall 1 thickness direction on be greater than thickness of wall body respectively, formed and protrude from metope and the bright post of L tee section having interior re-entrant angle, be configured with concrete frame column in concrete frame column 2 and indulge muscle 10 and concrete frame column tie-bar 11, body of wall horizontal distribution reinforcing bar 8 stretches into concrete frame column 2, reliable anchoring; The inherent each story height place of concrete wall 1 arranges the dark beam 3 in concrete wall, and the width of the dark beam 3 in concrete wall is identical with concrete wall 1 thickness; Dark beam 3 in concrete wall extends along the horizontal length direction of concrete wall 1 in the longitudinal direction, is finally connected with the concrete frame column 2 at two ends respectively.For the concrete wall 1 being provided with door and window hole 14, the dark beam 3 in concrete wall highly should get wall hole coupling beam 6 height.Dark beam 3 end face in concrete wall and bottom surface configure elongated wall hidden beam and indulge muscle 12 and stretch into concrete frame column 2, reliable anchoring, and along the dark beam 3 total length configuration wall hidden beam stirrup 13 in concrete wall.Dark beam 3 in concrete frame column 2 and concrete wall forms the space constraint framework of to build with concrete wall 1 as entirety.Arrange along the through steel column 4 of cylindrical shell short transverse in above-mentioned concrete frame column 2 and wall hole edge member 7, the position of the dark beam 3 cross section near middle in above-mentioned concrete wall arranges the girder steel 5 through along beam length direction, adopt between girder steel 5 and steel column 4 and be rigidly connected, form the Steel Space skeleton of concrete barrel inside.
Above embodiment only in order to the present invention is described and and unrestricted technical scheme described in the invention; Therefore, although this manual with reference to each above-mentioned embodiment to present invention has been detailed description, those of ordinary skill in the art should be appreciated that and still can modify to the present invention or equivalent to replace; And all do not depart from technical scheme and the improvement thereof of the spirit and scope of invention, it all should be encompassed in the middle of right of the present invention.

Claims (3)

1. a strong constraint concrete core cylinder for the dark beam of bright post is set, it is characterized in that: it comprises the dark beam in concrete wall, concrete frame column and concrete wall; Body of wall horizontal distribution reinforcing bar and the vertical distribution reinforcement of body of wall is configured in described concrete wall; Concrete frame column is arranged at the concrete wall intersection of the both direction in Core Walls Structure bight, the horizontal cross section dimension of concrete frame column along adjacent each concrete wall thickness direction on be greater than thickness of wall body respectively, form the rectangle or the bright post of L tee section that protrude from metope, be configured with concrete frame column in concrete frame column and indulge muscle and concrete frame column tie-bar, the body of wall horizontal distribution reinforcing bar in concrete wall extend into anchoring in concrete frame column; In concrete wall, each story height place arranges the dark beam in concrete wall, and the width of dark beam is identical with concrete wall body thickness; Dark beam extends along the horizontal length direction of concrete wall in the longitudinal direction, is finally connected with the concrete frame column at two ends respectively; Floor place is provided with to the body of wall of door and window hole, the dark depth of beam in concrete wall gets wall hole coupling beam height; Dark top surface of the beam in concrete wall and bottom surface configure elongated wall hidden beam and indulge muscle and stretch in frame columns and carry out anchoring, along the dark beam total length configuration wall hidden beam stirrup in described concrete wall; Dark beam in concrete frame column and concrete wall forms the space constraint framework of to build with concrete wall as entirety.
2. a kind of strong constraint concrete core cylinder that the dark beam of bright post is set according to claim 1, it is characterized in that: arrange along the through steel column of cylindrical shell short transverse in described concrete frame column and in wall hole edge member, the position of the cross section near middle of the dark beam in described concrete wall arranges along the through girder steel in beam length direction, adopt between girder steel and steel column and be rigidly connected, form the Steel Space skeleton of concrete barrel inside.
3. the strong constraint concrete core cylinder arranging the dark beam of bright post according to claim 2, is characterized in that: described girder steel and steel column adopt rolling section steel component or welded section steel beam column.
CN201310006854.6A 2013-01-09 2013-01-09 Powerful confined concrete core wall with obvious columns and hidden beams Expired - Fee Related CN103061408B (en)

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CN104100000A (en) * 2013-04-11 2014-10-15 香港华艺设计顾问(深圳)有限公司 Steel reinforced concrete frame four-corner barrel bi-directional large-span steel truss mixed structure
CN103940562B (en) * 2014-03-07 2016-04-06 山东建筑大学 A kind of shock test beam-ends restraint device

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