CN103572884A - Prefabricated concrete hollow component - Google Patents
Prefabricated concrete hollow component Download PDFInfo
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- CN103572884A CN103572884A CN201210271013.3A CN201210271013A CN103572884A CN 103572884 A CN103572884 A CN 103572884A CN 201210271013 A CN201210271013 A CN 201210271013A CN 103572884 A CN103572884 A CN 103572884A
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Abstract
The invention relates to a prefabricated concrete hollow component, which belongs to the technical field of prefabricated concrete structures. A plurality of longitudinal through holes which are parallel to the surface are arranged inside the prefabricated component along the length direction, and a longitudinal groove is arranged on the end part of each longitudinal hole. By adopting the prefabricated concrete structural component, the reliability in connection can be improved, the industrialization level of the building structure can be improved, the resource can be saved, and the prefabricated concrete hollow component can be applied to different walls and floors.
Description
Technical field
The invention belongs to prefabricated reinforced concrete structure technical field, relate in particular to a kind of precast concrete hollow unit that is 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 engineerings, scaffolding work, waste resource, contaminated environment; Practitioner's quality, job site environment etc. are very large on build guality impact, bring the problems such as building performance, quality and durability.Change the present situation of monolithic reinforced concrete structure, should greatly develop precast concrete.The primary structure member of precast concrete is made in factory, and production efficiency is high, quality good, and saving resource and the energy, be conducive to sustainable development.Adopting precast concrete is the direction of industrialization of construction industry development.
In precast concrete, between prefabricated units, have horizontal joint, vertical abutment joint etc., the stress performance of seam has determined integrality performance of the structure.Existing precast concrete seam crossing new-old concrete bonding surface is weak link, has affected stress performance, and is easy to cracking, and impact is normally used.
In order to reduce the weight of member, hole formation precast hollow slab is generally set in prefabricated units.Connection in existing technology between precast hollow member is still weak link.
Summary of the invention
The object of the invention is to improve the industrialized level of building structure, solve seam between traditional prefabricated units and connect weak deficiency, a kind of precast concrete hollow unit is provided.The precast unit that the present invention proposes significantly improves the globality of precast concrete, improves the performance of building structure; Realize batch production production, reduced cost, saving resource and the energy.
In the precast concrete hollow unit that the present invention proposes, have along its length several longitudinal perforated holes parallel with surface, prefabricated units arrange longitudinal fluting in longitudinal hole end, make prefabricated units end recesses and projection be interspersed longitudinal hole cross section for circle, rectangle etc.; At least one longitudinal hole end arranges longitudinal fluting, and longitudinal hole end regions is expanded; Described longitudinal fluting lateral view is trapezoidal, rectangle, hexagon, spindle, semicircle etc.
Described precast concrete hollow unit is the flat board for body of wall or building (room) lid.
Described prefabricated units are T shape, L, cross wall column.
Described prefabricated units are ∏ shape member.
Described prefabricated units are trough slab, and described longitudinal hole is arranged on vertical rib place.
Described precast hollow member is the wallboard that has hole, and described wallboard comprises hole, top, hole coupling beam, both sides, hole body of wall.
Described longitudinal fluting retains concrete at the side plate face of precast plate.
Described precast hollow member broad ways has several and parallelly with surface does not connect horizontal hole; Laterally hole at least runs through a longitudinal hole; 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 member is provided with embedded bar, and exposed parts is U-shaped, L shaped etc.
Reinforcing bar in described precast hollow member adopts reinforcing cage, and reinforcing cage comprises a plurality of longitudinal stirrups, is generally arranged in the raised areas between longitudinal fluting.
In some structures, there will be the abnormity components such as arc, sector, also can adopt precast unit 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 generally by plane body of wall, floor, the compositions such as L-type, T-shaped, cross node and hole, 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 member, or ∏ shape member, can form fabricated construction to Assembling after each unit is prefabricated in the factory.The precast unit that the present invention proposes comprises precast concrete dull and stereotyped (for body of wall and floor), precast concrete L-type, T-shaped, cross wall column, precast concrete band hole wallboard, precast concrete ∏ shape member etc., be wherein with hole wallboard to comprise both sides of the edge, hole member and top coupling beam.Adopt the precast concrete hollow unit of the present invention's proposition, can guarantee the connection integrity at wall body structure bed joint, horizontal force member bearing place, significantly improve the performance that improves structure.
The precast unit that the present invention proposes can be used for floor, roof panel, pipeline top board or base plate, tunnel top board or base plate and other horizontal force members; 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 following advantage.
(1) industrialized level is high: precast unit production efficiency is high, quality good, saving 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, the compositions such as L-type, T-shaped and cross node and hole, floor; Corresponding, according to unified specification, structure, make concrete plane wall body construction, plane floor member, band hole wall body construction, and L-type, T-shaped, cross wall column component or ∏ shape member etc.
(3) transportation, easy for installation.In the prefabricated units that the present invention proposes, have hole, lightweight, easy transportation and installation.
(4) prefabricated units seam is easy to connect, reliable.After concreting between prefabricated units, longitudinally between the rear pouring concrete and prefabricated units in hole, the rear pouring concrete in groove is an integral body, greatly improve the reliability that between precast wall body components layer, connection is connected with prefabricated horizontal flexural member bearing place, easy construction.
Accompanying drawing explanation
Fig. 1 is prefabricated planar plate members schematic diagram of the present invention.
Fig. 2 is the schematic cross-section in Fig. 1.
Fig. 3 is prefabricated planar plate members schematic diagram of the present invention, and there is longitudinal fluting precast plate one end.
Fig. 4 is the schematic cross-section in Fig. 3.
Fig. 5 is prefabricated units schematic diagram of the present invention, and longitudinal fluting retains concrete in a side of precast plate.
Fig. 6 is the schematic cross-section in Fig. 5.
Fig. 7 is prefabricated units schematic diagram of the present invention, and longitudinal fluting retains concrete in the two sides of precast plate.
Fig. 8 is the schematic cross-section in Fig. 7.
Fig. 9 is prefabricated units schematic diagram of the present invention, and member two ends have and do not connect horizontal hole, run through longitudinal fluting.
Figure 10 is the schematic cross-section in Fig. 9.
Figure 11 is prefabricated units schematic diagram of the present invention, has a plurality of horizontal holes that do not connect in member.
Figure 12 is the schematic cross-section in Figure 11.
Figure 13 is prefabricated units schematic diagram of the present invention, and longitudinal fluting one side is provided with embedded bar.
Figure 14 is prefabricated units schematic diagram of the present invention, and longitudinal fluting both sides are provided with embedded bar.
Figure 15 is prefabricated T shape wall column component schematic diagram of the present invention.
Figure 16 is prefabricated T shape wall column component schematic diagram of the present invention, has and do not connect horizontal hole in member.
Figure 17 is prefabricated L shaped wall column component schematic diagram of the present invention.
Figure 18 is prefabricated L shaped wall column component schematic diagram of the present invention, has and do not connect horizontal hole in member.
Figure 19 is prefabricated cross wall column component schematic diagram of the present invention.
Figure 20 is prefabricated cross wall column component schematic diagram of the present invention, has and do not connect horizontal hole in member.
Figure 21 is prefabricated ∏ shape member schematic diagram of the present invention.
Figure 22 is pregroove member schematic diagram of the present invention.
Figure 23 is the schematic cross-section in Figure 22.
Figure 24 is prefabricated band of the present invention hole member schematic diagram.
Figure 25 is precast beam unit schematic diagram of the present invention.
Figure 26 is beam support of the present invention place precast wall body member schematic diagram.
The specific embodiment
Embodiment 1 is prefabricated planar plate members schematic diagram of the present invention, as shown in Figure 1 and Figure 2, in flat board 11, has along its length at least one longitudinal perforated holes 12, and longitudinally hole two ends arrange longitudinal fluting 13.The width of longitudinal fluting is generally greater than longitudinal hole hole dia, along prefabricated units, longitudinally gos deep into test specimen length 100mm ~ 400mm.When prefabricated reinforced concrete planar plate members is used as body of wall, length is generally got building storey height, and width is generally got 300 modulus, and thickness equals thickness of wall body.On prefabricated units, also arrange suspension ring (not shown) is installed.
The preparation method of embodiment 1, comprises the following steps: 1) on production site, arrange the template of prefabricated flat board, arrange steel mesh reinforcement; On the backform at its middle plateform two ends, have preformed hole, the diameter of preformed hole is identical with the external diameter of steel pipe internal mold; The backform formation groove shapes that concaves in preformed hole region; 2) arrange that steel pipe internal mold is through the preformed hole of dull and stereotyped backform and the centre of steel mesh reinforcement for making the steel pipe internal mold of longitudinal perforated holes; 3) concreting in the space forming in template, before hardening of concrete, extracts steel pipe internal mold out, forms longitudinal perforated holes; Stripping after concrete reaches expection intensity, forms prefabricated flat board.
Described precast hollow member also can be produced according to existing production method the precast plate of longitudinal perforated holes, with cast-cutting saw, in longitudinal hole end, outputs groove, forms described prefabricated units.
According to above-mentioned similar method, can produce the precast hollow member with Types Below.
Fig. 3, Fig. 4 are the prefabricated planar plate members that a side end has longitudinal fluting; In described prefabricated dull and stereotyped 31, have along its length the longitudinal perforated holes 32 parallel with surface, longitudinally hole one end arranges longitudinal fluting 33.On prefabricated units, also arrange suspension ring (not shown) is installed.
Fig. 5, Fig. 6 are that the side plate face of longitudinal fluting retains concrete prefabricated element; Described prefabricated dull and stereotyped 51 inside has the longitudinal perforated holes 52 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 53, and a side of groove 53 retains concrete 54.On prefabricated units, also arrange suspension ring (not shown) is installed.
Fig. 7, Fig. 8 are that the biside plate face of longitudinal fluting retains concrete prefabricated element; Described prefabricated dull and stereotyped 71 inside has the longitudinal perforated holes 72 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 73, and the both sides of groove 73 retain concrete seven 4.On prefabricated units, also arrange suspension ring (not shown) is installed.
Fig. 9, Figure 10 are that member two ends have the concrete prefabricated element that does not connect horizontal hole, and laterally hole runs through mutually with longitudinal fluting; Described prefabricated dull and stereotyped 91 inside has the longitudinal perforated holes 92 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 93; Member two ends have and do not connect horizontal hole 94, run through with longitudinal fluting 93.On prefabricated units, also arrange suspension ring (not shown) is installed.
Figure 11, Figure 12 are that member two ends and middle part have the concrete prefabricated element that several do not connect horizontal hole, and the horizontal hole in two ends runs through mutually with longitudinal fluting; Described prefabricated dull and stereotyped 111 inside has the longitudinal perforated holes 112 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 113; Member two ends and middle part have and do not connect horizontal hole 114, and horizontal hole and the longitudinal fluting 93 at two ends run through.On prefabricated units, also arrange suspension ring (not shown) is installed.
Figure 13 is the concrete prefabricated element of longitudinal fluting one side embedded bar; Described prefabricated dull and stereotyped 131 inside has the longitudinal perforated holes 132 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 133; Longitudinal fluting one side embedded bar 134, exposed portions serve is U-shaped or L shaped etc.On prefabricated units, also arrange suspension ring (not shown) is installed.
Figure 14 is the concrete prefabricated element of longitudinal fluting both sides embedded bar; Described prefabricated dull and stereotyped 141 inside has the longitudinal perforated holes 142 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 143; Longitudinal fluting both sides embedded bar 144, exposed portions serve is U-shaped or L shaped.On prefabricated units, also arrange suspension ring (not shown) is installed.
Figure 15 is prefabricated T shape wall column component schematic diagram; The inside of described prefabricated T shape wall column component 151 has the longitudinal perforated holes 152 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 153.On prefabricated units, also arrange suspension ring (not shown) is installed.The limb that in practical application, three limbs of T shape wall column adopt adaptation building structure to require is long; The length of T shape wall column component is generally got the floor height of building, the general and body of wall uniform thickness of thickness.
Figure 16 has the prefabricated T shape wall column component schematic diagram that does not connect horizontal hole; The inside of described prefabricated T shape wall column component 161 has the longitudinal perforated holes 162 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 163; In member, have and do not connect horizontal hole 164, horizontal hole and the longitudinal fluting 163 at two ends run through.On prefabricated units, also arrange suspension ring (not shown) is installed.
Figure 17 is prefabricated L shaped wall column component schematic diagram; The inside of described prefabricated L shaped wall column component 171 has the longitudinal perforated holes 172 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 173.On prefabricated units, also arrange suspension ring (not shown) is installed.The limb that in practical application, two limbs of L shaped wall column adopt adaptation building structure to require is long; The length of L shaped wall column component is generally got the floor height of building, thickness and body of wall uniform thickness.
Figure 18 has the prefabricated L shaped wall column component schematic diagram that does not connect horizontal hole; The inside of described prefabricated L shaped wall column component 181 has the longitudinal perforated holes 182 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 183; In member, have and do not connect horizontal hole 184, horizontal hole and the longitudinal fluting 183 at two ends run through.On prefabricated units, also arrange suspension ring (not shown) is installed.
Figure 19 is prefabricated cross wall column component schematic diagram; The inside of described prefabricated cross wall column component 191 has the longitudinal perforated holes 192 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 193.On prefabricated units, also arrange suspension ring (not shown) is installed.The limb that in practical application, each limb of cross wall column adopts adaptation building structure to require is long; The length of cross wall column component is generally got the floor height of building, thickness and body of wall uniform thickness.
Figure 20 has the prefabricated cross wall column component schematic diagram that does not connect horizontal hole; The inside of described prefabricated cross wall column component 201 has the longitudinal perforated holes 202 parallel with surface along its length, and longitudinally hole two ends arrange longitudinal fluting 203; In member, have and do not connect horizontal hole 204, horizontal hole and the longitudinal fluting 203 at two ends run through.On prefabricated units, also arrange suspension ring (not shown) is installed.
Figure 21 is prefabricated ∏ shape member schematic diagram; The inside of described prefabricated ∏ shape type member 211 has the longitudinal perforated holes 212 parallel with surface, and longitudinally hole end arranges longitudinal fluting 213.On prefabricated units, also arrange suspension ring (not shown) is installed.In practical application, ∏ shape member can be used as the assembly of floor and body of wall, or the assembly of vertical wall and cross wall; Each several part extension elongation adopts and adapts to the length that building structure requires.
Figure 22, Figure 23 are pregroove member schematic diagram; The vertical rib inside of described pregroove member 221 has the longitudinal perforated holes 222 parallel with surface along its length, and longitudinally hole end arranges longitudinal fluting 223.On prefabricated units, also arrange suspension ring (not shown) is installed.
Figure 24 is prefabricated band hole member schematic diagram; In described prefabricated band hole wall body construction 241 both sides, hole bodies of wall, have longitudinal perforation hole 242, top, hole coupling beam has some vertical holes 244 that do not run through, and at the bottom of hole, apart from external surface, is generally not less than 20mm; Bottom, hole body of wall (while having door opening on body of wall, there is no this part body of wall) has some vertical holes 245 that run through; Wall body construction 241 tops, prefabricated band hole and longitudinal hole place, bottom arrange longitudinal fluting 243.On prefabricated units, also arrange suspension ring (not shown) is installed.
Figure 25 is precast beam unit schematic diagram, and beam 251 has and connects hole 252 along depth of beam direction within the scope of bearing, connects hole two ends longitudinal fluting 253 is set.On prefabricated units, also arrange suspension ring (not shown) is installed.
Figure 26 is beam support place precast wall body member schematic diagram; The inside of precast wall body 261 has the longitudinal perforated holes 262 parallel with surface, and longitudinally hole two ends arrange longitudinal fluting 263; Body of wall 261 receives 264 in beam support position.On prefabricated units, also arrange suspension ring (not shown) is installed.
Claims (10)
1. a precast concrete hollow unit, is characterized in that having along its length several longitudinal perforated holes parallel with surface in these prefabricated units, in longitudinal hole end, is provided with longitudinal fluting.
2. precast concrete hollow unit according to claim 1, is characterized in that, described precast hollow member is the flat board for body of wall or building (room) lid.
3. precast concrete hollow unit according to claim 1, is characterized in that, described prefabricated units are T shape, L, cross wall column.
4. precast concrete hollow unit according to claim 1, is characterized in that, described prefabricated units are ∏ shape member.
5. precast concrete hollow unit according to claim 1, is characterized in that, described prefabricated units are trough slab, and described longitudinal hole and described longitudinal hole are arranged on vertical rib place.
6. precast concrete hollow unit according to claim 1, is characterized in that, described precast hollow member is the wallboard that has hole, and described wallboard comprises hole, top, hole coupling beam, both sides, hole body of wall.
7. according to the precast concrete hollow unit described in claim 1,2,3,4,5,6, it is characterized in that, described longitudinal fluting retains concrete at the side plate face of precast plate.
8. according to the precast concrete hollow unit described in claim 1,2,3,4,5,6, it is characterized in that, broad ways has several and does not connect horizontal hole with longitudinal hole runs through mutually in described precast hollow member, and described longitudinal fluting runs through mutually with the horizontal hole of component ends.
9. according to the precast hollow member described in claim 1,2,3,4,5,6, it is characterized in that, the longitudinal fluting position of described precast hollow member is provided with embedded bar, and exposed parts is U-shaped, L shaped etc.
10. according to the precast hollow member described in claim 1,2,3,4,5,6, it is characterized in that, the reinforcing bar in described precast hollow member adopts reinforcing cage, and described reinforcing cage comprises a plurality of longitudinal stirrups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|---|---|
| CN201210271013.3A CN103572884B (en) | 2012-07-31 | 2012-07-31 | A kind of hollow precast concrete member |
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| Publication Number | Publication Date |
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| CN103572884A true CN103572884A (en) | 2014-02-12 |
| CN103572884B CN103572884B (en) | 2016-08-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018614A (en) * | 2014-06-23 | 2014-09-03 | 付佩茹 | Precast concrete assembling plate and preparation and monolithic architecture construction method thereof |
| CN104032860A (en) * | 2014-05-15 | 2014-09-10 | 中国建筑股份有限公司 | Assembly-type mixed coupled wall system and construction method thereof |
| CN110469047A (en) * | 2019-07-03 | 2019-11-19 | 西安理工大学 | A kind of recoverable function assembled Bidirectional self-locking type shear wall and its prefabricated panel |
| 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 |
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| 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 |
| CN203096922U (en) * | 2012-07-31 | 2013-07-31 | 初明进 | Precast concrete hollow member |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| GB2379902A (en) * | 2001-09-25 | 2003-03-26 | 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 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032860A (en) * | 2014-05-15 | 2014-09-10 | 中国建筑股份有限公司 | Assembly-type mixed coupled wall system and construction method thereof |
| CN104018614A (en) * | 2014-06-23 | 2014-09-03 | 付佩茹 | Precast concrete assembling plate and preparation and monolithic architecture 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 |
| CN110469047A (en) * | 2019-07-03 | 2019-11-19 | 西安理工大学 | A kind of recoverable function assembled Bidirectional self-locking type shear wall and its prefabricated panel |
| 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 |
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| CN103572884B (en) | 2016-08-03 |
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