CN103572884B - A kind of hollow precast concrete member - Google Patents
A kind of hollow precast concrete member Download PDFInfo
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- CN103572884B CN103572884B CN201210271013.3A CN201210271013A CN103572884B CN 103572884 B CN103572884 B CN 103572884B CN 201210271013 A CN201210271013 A CN 201210271013A CN 103572884 B CN103572884 B CN 103572884B
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Abstract
The present invention relates to a kind of hollow precast concrete member, belong to precast concrete technical field；Have several in these prefabricated components along its length parallel with surface longitudinally through hole, longitudinal fluting is set in longitudinal bore end.The present invention will improve connection reliability between precast concrete component, improve the industrialized level of building structure, save resource, can be applicable in various body of wall, floor.
Description
Technical field
The invention belongs to prefabricated reinforced concrete structure technical field, particularly relate to a kind of hollow precast concrete member being applicable to cast in place and precast construction.
Background technology
In monolithic reinforced concrete structure work progress, field fabrication is many, and wet trade is many, has the intermediate links such as a large amount of form work engineering, scaffolding work, wastes resource, pollutes environment；Practitioner's quality, job site environment etc. are very big on build guality impact, bring the problems such as building performance, quality and durability.The present situation of monolithic reinforced concrete structure to be changed, should greatly develop precast concrete.The primary structural member of precast concrete makes in factory, and production efficiency is high, quality is good, saves resource and the energy, beneficially sustainable development.Using precast concrete is the direction that building industrialization develops.
There is horizontal joint, vertical abutment joint etc. in precast concrete between prefabricated components, the stress performance of seam determines integrality performance of the structure.Existing precast concrete seam crossing conjunction old and new concret face is weak link, have impact on stress performance, and is prone to cracking, and impact is normal to be used.
In order to reduce the weight of component, hole formation precast hollow slab is typically set in prefabricated components.In existing technology, the connection between precast hollow component is still weak link.
Summary of the invention
It is an object of the invention to improve the industrialized level of building structure, solve tradition prefabricated components seam and connect weak deficiency, it is provided that a kind of hollow precast concrete member.The precast concrete that the present invention proposes significantly improves the globality of precast concrete, improves the performance of building structure；Achieve factorial praluction, reduce cost, save resource and the energy.
Several are had along its length parallel with surface longitudinally through hole in the hollow precast concrete member that the present invention proposes, prefabricated components arrange longitudinal fluting in longitudinal bore end, make prefabricated components end recesses and projection be interspersed longitudinal bore cross section for circle, rectangle etc.；At least one longitudinal bore end arranges longitudinal fluting, makes longitudinal bore end regions expand；Described longitudinal fluting side view is trapezoidal, rectangle, hexagon, spindle, semicircle etc..
Described hollow precast concrete member is the flat board covered for body of wall or building (room).
Described prefabricated components are T-shaped, L, cross wall column.
Described prefabricated components are ∏ shape component.
Described prefabricated components are trough plate, and described longitudinal bore is arranged at longitudinal rib.
Described precast hollow component is the wallboard having hole, and described wallboard includes hole, top, hole coupling beam, both sides, hole body of wall.
Described longitudinal fluting retains concrete in the side plate face of precoated plate.
Described precast hollow component has the most through horizontal hole that several are parallel with surface in the width direction；Laterally hole at least runs through a longitudinal bore；At least one horizontal hole is unlikely to component ends and runs through longitudinal fluting；Laterally hole cross section is circle, rectangle etc..
The longitudinal fluting position of described precast hollow component is provided with embedded bar, and exposed parts is U-shaped, L-shaped etc..
Reinforcing bar in described precast hollow component uses steel reinforcement cage, and steel reinforcement cage includes multiple longitudinal stirrup, is typically located in the raised areas between longitudinal fluting.
There will be the abnormity component such as arc, sector in some structures, it is possible to use the precast concrete of the present invention.
The bearing system of body of wall load-carrying members (such as shear wall structure, basement, material storage container, retaining wall, tunnel, pipeline etc.) is typically by plane body of wall, floor, L-type, node T-shaped, cross and hole etc. form, corresponding overall structure can be decomposed into the unit such as flat board, T-shaped wall column, L wall column, cross wall column and band hole component, or ∏ shape component, can form fabricated construction to Assembling after being prefabricated in the factory by each unit.The precast concrete that the present invention proposes includes precast concrete flat board (for body of wall and floor), precast concrete L-type, T-shaped, cross wall column, concrete soil zone hole wallboard, precast concrete ∏ shape component etc., wherein band hole wallboard includes both sides of the edge, hole component and top coupling beam.Use the hollow precast concrete member that the present invention proposes, it is ensured that the connection integrity at wall body structure bed joint, horizontal force member seat, significantly improve the performance improving structure.
The precast concrete that the present invention proposes can be used for floor, roof boarding, pipeline top board or base plate, tunnel top board or base plate and other horizontal force components；Can be used for the vertical members such as body of wall, such as shear wall structure or frame shear wall structure body of wall, basement wall, material storage container sidewall, retaining wall, tunnel body of wall, pipeline body of wall etc..
The present invention compared with prior art has the advantage that.
(1) industrialized level is high: precast concrete production efficiency is high, quality is good, save resource, be conducive to sustainable development.
(2) standardization level is high: shear wall structure and other body of wall load-carrying members are by plane body of wall, L-type, T-shaped and cross node and the composition such as hole, floor；Corresponding, make concrete plane wall body construction, plane floor member, band hole wall body construction, and L-type, wall column component T-shaped, cross or ∏ shape component etc. according to unified specification, structure.
(3) transport, easy for installation.Hole is had in the prefabricated components that the present invention proposes, lightweight, easy transportation and installation.
(4) prefabricated components seam is easy to connect, reliable.Between prefabricated components after casting concrete, rear pouring concrete between rear pouring concrete in longitudinal bore and prefabricated components, in groove is one overall, it is greatly improved the reliability that precast wall body component interlayer connects and connects at predetermined level flexural member bearing, easy construction.
Accompanying drawing explanation
Fig. 1 is the prefabricated planar plate members schematic diagram of the present invention.
Fig. 2 is the schematic cross-section in Fig. 1.
Fig. 3 is the prefabricated planar plate members schematic diagram of the present invention, and there is longitudinal fluting precoated plate one end.
Fig. 4 is the schematic cross-section in Fig. 3.
Fig. 5 is the prefabricated components schematic diagram of the present invention, and longitudinal fluting retains concrete at the one side of precoated plate.
Fig. 6 is the schematic cross-section in Fig. 5.
Fig. 7 is the prefabricated components schematic diagram of the present invention, and longitudinal fluting retains concrete in the two sides of precoated plate.
Fig. 8 is the schematic cross-section in Fig. 7.
Fig. 9 is the prefabricated components schematic diagram of the present invention, and component two ends have the most through horizontal hole, run through longitudinal fluting.
Figure 10 is the schematic cross-section in Fig. 9.
Figure 11 is the prefabricated components schematic diagram of the present invention, has the most through multiple horizontal hole in component.
Figure 12 is the schematic cross-section in Figure 11.
Figure 13 is the prefabricated components schematic diagram of the present invention, and longitudinal fluting side is provided with embedded bar.
Figure 14 is the prefabricated components schematic diagram of the present invention, and longitudinal fluting both sides are provided with embedded bar.
Figure 15 is the prefabricated T-shaped wall column component schematic diagram of the present invention.
Figure 16 is the prefabricated T-shaped wall column component schematic diagram of the present invention, has the most through horizontal hole in component.
Figure 17 is the prefabricated L-shaped wall column component schematic diagram of the present invention.
Figure 18 is the prefabricated L-shaped wall column component schematic diagram of the present invention, has the most through horizontal hole in component.
Figure 19 is the prefabricated cross wall column component schematic diagram of the present invention.
Figure 20 is the prefabricated cross wall column component schematic diagram of the present invention, has the most through horizontal hole in component.
Figure 21 is the prefabricated ∏ shape component schematic diagram of the present invention.
Figure 22 is the pregroove component schematic diagram of the present invention.
Figure 23 is the schematic cross-section in Figure 22.
Figure 24 is the prefabricated band hole component schematic diagram of the present invention.
Figure 25 is the precast beam unit schematic diagram of the present invention.
Figure 26 is precast wall body component schematic diagram at the beam support of the present invention.
Detailed description of the invention
Embodiment 1 is the prefabricated planar plate members schematic diagram of the present invention, as shown in Figure 1 and Figure 2, has at least one along its length and arrange longitudinal fluting 13 longitudinally through hole 12, longitudinal bore two ends in flat board 11.The width of longitudinal fluting is generally higher than longitudinal bore diameter, longitudinally gos deep into piece lengths 100mm ~ 400mm along prefabricated components.When prefabricated reinforced concrete planar plate members is used as body of wall, length typically takes building storey height, and width typically takes the modulus of 300, and thickness is equal to thickness of wall body.Installation suspension ring (not shown) is also set up on prefabricated components.
The manufacture method of embodiment 1, comprises the following steps: 1) arrange the template of prefabricated flat board on production site, arranges bar-mat reinforcement；Having preformed hole on the backform at its middle plateform two ends, the diameter of preformed hole is identical with the external diameter of mould in steel pipe；Backform concaves in preformed hole region formation groove shapes；2) arrange that in steel pipe, mould passes preformed hole and the centre of bar-mat reinforcement of flat board backform for making longitudinally through mould in the steel pipe of hole；3) casting concrete in the space that template is constituted, before concrete hardening, extracts mould in steel pipe out, is formed longitudinally through hole；Form removal after concrete reaches expection intensity, forms prefabricated flat board.
Described precast hollow component also can produce the precoated plate longitudinally through hole according to existing production method, outputs groove with cast-cutting saw in longitudinal bore end, forms described prefabricated components.
Following kind of precast hollow component can be produced according to above-mentioned similar method.
Fig. 3, Fig. 4 are the prefabricated planar plate members that a side end has longitudinal fluting；Having parallel with surface longitudinally through hole 32 in described prefabricated flat board 31 along its length, longitudinal bore one end arranges longitudinal fluting 33.Installation suspension ring (not shown) is also set up on prefabricated components.
Fig. 5, Fig. 6 are that the side plate face of longitudinal fluting retains concrete prefabricated element；The inside of described prefabricated flat board 51 has parallel with surface longitudinally through hole 52 along its length, and longitudinal bore two ends arrange longitudinal fluting 53, and the side of groove 53 retains concrete 54.Installation suspension ring (not shown) is also set up on prefabricated components.
Fig. 7, Fig. 8 are that the biside plate face of longitudinal fluting retains concrete prefabricated element；The inside of described prefabricated flat board 71 has parallel with surface longitudinally through hole 72 along its length, and longitudinal bore two ends arrange longitudinal fluting 73, and the both sides of groove 73 retain concrete seven 4.Installation suspension ring (not shown) is also set up on prefabricated components.
Fig. 9, Figure 10 are the concrete prefabricated element that component two ends have the most through horizontal hole, and horizontal hole runs through mutually with longitudinal fluting；The inside of described prefabricated flat board 91 has parallel with surface longitudinally through hole 92 along its length, and longitudinal bore two ends arrange longitudinal fluting 93；Component two ends have the most through horizontal hole 94, run through with longitudinal fluting 93.Installation suspension ring (not shown) is also set up on prefabricated components.
Figure 11, Figure 12 are the concrete prefabricated element that component two ends and middle part have several the most through horizontal holes, and the horizontal hole in two ends runs through mutually with longitudinal fluting；The inside of described prefabricated flat board 111 has parallel with surface longitudinally through hole 112 along its length, and longitudinal bore two ends arrange longitudinal fluting 113；Component two ends and middle part have the most through horizontal hole 114, and the horizontal hole at two ends runs through with longitudinal fluting 93.Installation suspension ring (not shown) is also set up on prefabricated components.
Figure 13 is the concrete prefabricated element of longitudinal fluting side embedded bar；The inside of described prefabricated flat board 131 has parallel with surface longitudinally through hole 132 along its length, and longitudinal bore two ends arrange longitudinal fluting 133；Longitudinal fluting side embedded bar 134, exposed portion is U-shaped or L-shaped etc..Installation suspension ring (not shown) is also set up on prefabricated components.
Figure 14 is the concrete prefabricated element of longitudinal fluting both sides embedded bar；The inside of described prefabricated flat board 141 has parallel with surface longitudinally through hole 142 along its length, and longitudinal bore two ends arrange longitudinal fluting 143；Longitudinal fluting both sides embedded bar 144, exposed portion is U-shaped or L-shaped.Installation suspension ring (not shown) is also set up on prefabricated components.
Figure 15 is prefabricated T-shaped wall column component schematic diagram；The inside of described prefabricated T-shaped wall column component 151 has parallel with surface longitudinally through hole 152 along its length, and longitudinal bore two ends arrange longitudinal fluting 153.Installation suspension ring (not shown) is also set up on prefabricated components.In actual application, three limbs of T-shaped wall column use the limb adapting to building structure requirement long；The length of T-shaped wall column component typically takes the floor height of building, and thickness is general and body of wall uniform thickness.
Figure 16 is the prefabricated T-shaped wall column component schematic diagram having the most through horizontal hole；The inside of described prefabricated T-shaped wall column component 161 has parallel with surface longitudinally through hole 162 along its length, and longitudinal bore two ends arrange longitudinal fluting 163；Having the most through horizontal hole 164 in component, the horizontal hole at two ends runs through with longitudinal fluting 163.Installation suspension ring (not shown) is also set up on prefabricated components.
Figure 17 is prefabricated L-shaped wall column component schematic diagram；The inside of described prefabricated L-shaped wall column component 171 has parallel with surface longitudinally through hole 172 along its length, and longitudinal bore two ends arrange longitudinal fluting 173.Installation suspension ring (not shown) is also set up on prefabricated components.In actual application, two limbs of L-shaped wall column use the limb adapting to building structure requirement long；The length of L-shaped wall column component typically takes the floor height of building, thickness and body of wall uniform thickness.
Figure 18 is the prefabricated L-shaped wall column component schematic diagram having the most through horizontal hole；The inside of described prefabricated L-shaped wall column component 181 has parallel with surface longitudinally through hole 182 along its length, and longitudinal bore two ends arrange longitudinal fluting 183；Having the most through horizontal hole 184 in component, the horizontal hole at two ends runs through with longitudinal fluting 183.Installation suspension ring (not shown) is also set up on prefabricated components.
Figure 19 is prefabricated cross wall column component schematic diagram；The inside of described prefabricated cross wall column component 191 has parallel with surface longitudinally through hole 192 along its length, and longitudinal bore two ends arrange longitudinal fluting 193.Installation suspension ring (not shown) is also set up on prefabricated components.In actual application, each limb of cross wall column uses the limb adapting to building structure requirement long；The length of cross wall column component typically takes the floor height of building, thickness and body of wall uniform thickness.
Figure 20 is the prefabricated cross wall column component schematic diagram having the most through horizontal hole；The inside of described prefabricated cross wall column component 201 has parallel with surface longitudinally through hole 202 along its length, and longitudinal bore two ends arrange longitudinal fluting 203；Having the most through horizontal hole 204 in component, the horizontal hole at two ends runs through with longitudinal fluting 203.Installation suspension ring (not shown) is also set up on prefabricated components.
Figure 21 is prefabricated ∏ shape component schematic diagram；The inside of described prefabricated ∏ shape type component 211 has parallel with surface longitudinally through hole 212, and longitudinal bore end arranges longitudinal fluting 213.Installation suspension ring (not shown) is also set up on prefabricated components.In actual application, ∏ shape component can be used as the assembly of floor and body of wall, or vertical wall and the assembly of cross wall；Each several part extension elongation uses and adapts to the length that building structure requires.
Figure 22, Figure 23 are pregroove component schematic diagram；Having parallel with surface longitudinally through hole 222 inside the longitudinal rib of described pregroove component 221 along its length, longitudinal bore end arranges longitudinal fluting 223.Installation suspension ring (not shown) is also set up on prefabricated components.
Figure 24 is prefabricated band hole component schematic diagram；Having longitudinally through hole 242 in the both walls body of wall body construction 241 hole, described prefabricated band hole, top, hole coupling beam has some not through vertical hole 244, and bottom hole pitch outer surface is typically no less than 20mm；Hole lower wall body (when having door opening on body of wall, do not have this wall segment) has and some runs through vertical hole 245；At wall body construction 241 top, prefabricated band hole and bottom longitudinal bore, longitudinal fluting 243 is set.Installation suspension ring (not shown) is also set up on prefabricated components.
Figure 25 is precast beam unit schematic diagram, and beam 251 has through hole 252 in the range of bearing along depth of beam direction, and through hole two ends arrange longitudinal fluting 253.Installation suspension ring (not shown) is also set up on prefabricated components.
Figure 26 is precast wall body component schematic diagram at beam support；The inside of precast wall body 261 has parallel with surface longitudinally through hole 262, and longitudinal bore two ends arrange longitudinal fluting 263；Body of wall 261 receives 264 in beam support position.Installation suspension ring (not shown) is also set up on prefabricated components.
Claims (10)
1. a hollow precast concrete member, several are had along its length parallel with surface longitudinally through hole in it is characterized in that this hollow precast concrete member, longitudinal bore end is provided with longitudinal fluting, makes hollow precast concrete member end recesses and projection be interspersed.
Hollow precast concrete member the most according to claim 1, it is characterised in that described hollow precast concrete member is the flat board for body of wall or superstructure.
Hollow precast concrete member the most according to claim 1, it is characterised in that described hollow precast concrete member is T-shaped or L or cross wall column.
Hollow precast concrete member the most according to claim 1, it is characterised in that described hollow precast concrete member is ∏ shape component.
Hollow precast concrete member the most according to claim 1, it is characterised in that described hollow precast concrete member is trough plate, described longitudinal bore is arranged at longitudinal rib.
Hollow precast concrete member the most according to claim 1, it is characterised in that described hollow precast concrete member is to have the wallboard at hole, described wallboard includes hole, top, hole coupling beam, both sides, hole body of wall.
7. according to the hollow precast concrete member described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that described longitudinal fluting retains concrete in the side plate face of precoated plate.
8. according to the hollow precast concrete member described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that, having several the most through horizontal holes run through mutually with longitudinal bore in described hollow precast concrete member in the width direction, described longitudinal fluting runs through mutually with the horizontal hole of component ends.
9. according to the precast hollow component described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that the longitudinal fluting position of described hollow precast concrete member is provided with embedded bar, and exposed parts is U-shaped or L-shaped.
10. according to the precast hollow component described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that the reinforcing bar in described hollow precast concrete member uses steel reinforcement cage, and described steel reinforcement cage includes multiple longitudinal stirrup.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210271013.3A CN103572884B (en) | 2012-07-31 | 2012-07-31 | A kind of hollow precast concrete member |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210271013.3A CN103572884B (en) | 2012-07-31 | 2012-07-31 | A kind of hollow precast concrete member |
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| CN103572884A CN103572884A (en) | 2014-02-12 |
| CN103572884B true CN103572884B (en) | 2016-08-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032860B (en) * | 2014-05-15 | 2016-06-22 | 中国建筑股份有限公司 | Assembled mixing coupled wall system and construction method thereof |
| CN104018614B (en) * | 2014-06-23 | 2017-07-11 | 付佩茹 | The preparation of precast concrete assembled plate and monolithic architecture constructive method |
| CN110469047B (en) * | 2019-07-03 | 2021-06-15 | 西安理工大学 | Function-restorable assembled bidirectional self-locking shear wall and prefabricated wallboard thereof |
| CN113430915A (en) * | 2021-06-30 | 2021-09-24 | 南京元琅建设工程有限公司 | High stability hollow slab beam |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5465542A (en) * | 1992-05-29 | 1995-11-14 | Terry; Verl O. | Interblocking concrete form modules |
| CN2260118Y (en) * | 1994-09-05 | 1997-08-20 | 刘新振 | Sectional type prefabricated wall plate structure |
| GB2379902B (en) * | 2001-09-25 | 2004-09-01 | David Wright | Hollow-core floor slabs |
| CN201972393U (en) * | 2010-11-19 | 2011-09-14 | 清华大学建筑设计研究院 | Dismantling-free precast reinforced concrete template with crossed holes inside |
| CN201883529U (en) * | 2010-11-26 | 2011-06-29 | 清华大学建筑设计研究院 | Shear wall structure building based on cross-hole prefabricated reinforced-concrete formwork |
| CN203096922U (en) * | 2012-07-31 | 2013-07-31 | 初明进 | Precast concrete hollow member |
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