CN103628618A - Precast concrete hollow component, and manufacturing method thereof - Google Patents
Precast concrete hollow component, and manufacturing method thereof Download PDFInfo
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- CN103628618A CN103628618A CN201210301316.5A CN201210301316A CN103628618A CN 103628618 A CN103628618 A CN 103628618A CN 201210301316 A CN201210301316 A CN 201210301316A CN 103628618 A CN103628618 A CN 103628618A
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Abstract
The invention relates to a precast concrete hollow component, and a manufacturing method thereof, and belongs to the technical field of precast reinforced concrete structural components. The precast concrete hollow component comprises a precast wall plate component, a floor component, a T-shaped wall post component, an L-shaped wall post component, a cross wall post component and a wall body component provided with a hole; the precast concrete hollow component is internally provided with a plurality of longitudinal through holes along the length direction, and a plurality of horizontal non-through holes communicated with the longitudinal through holes along the width direction, wherein the longitudinal through holes are arranged parallelly to each other, and the horizontal non-through holes are arranged parallelly to each other. The manufacturing method comprises following steps: combining templates, such as a bottom die, a top die, a side die, a steel pipe inner die and the like, on a production field of precast slabs; arranging reinforcing meshes; then pouring concrete; drawing out a steel pipe after the strength of the concrete reaches to a certain degree; and dismounting the templates after the concrete reaches to an expected strength degree. The precast concrete hollow component can be used in multilayered, high-rise shear wall and frame-shear wall building structures, thus improving industrial level of the building structures, improving structural behaviors and saving sources.
Description
Technical field
The present invention relates to a kind of precast concrete hollow unit and preparation method, belong to prefabricated reinforced concrete structure component technology field.
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 workmanship impact, bring the problems such as building performance, quality and durability.
The primary structure member of precast concrete is made in factory, and production efficiency is high, quality good, and saving resource is conducive to sustainable development, and adopting precast concrete is industrialization of construction industry developing direction.The deadweight of precast concrete hollow unit is little, and easy transportation and installation, apply very extensive.
Concreting in the hole of precast hollow member, as vertical applied force member, is formed to cast in place and precast construction and can build highrise building.In prefabricated assembled concrete structure, 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.
Summary of the invention
The object of the invention is to improve the industrialized level of building structure, solve the deficiency of cast-in-place concrete structure and prefabricated assembling type reinforced concrete structure, a kind of precast concrete hollow unit and preparation method are provided.
The precast concrete hollow unit that the present invention proposes, comprise prefabricated panel member, floor member, T shape wall column component, L wall column component, cross wall column component and band hole wall body construction, described band hole wall body construction comprises hole, top, hole coupling beam, both sides, hole body of wall; In described precast hollow member, have along its length longitudinal perforation hole that several are parallel to each other, broad ways have several be communicated with longitudinal hole be parallel to each other laterally do not connect hole.
The horizontal hole lengths of described prefabricated units both sides is identical, meets the anchoring requirement of stretching into reinforcing bar wherein; Or the horizontal hole lengths of described prefabricated units one side is to stretch into the twice that the anchoring of reinforcing bar wherein requires, and the horizontal hole lengths of opposite side is to stretch into the anchoring requirement of reinforcing bar wherein.
Reinforcing bar in described precast hollow member adopts reinforcing cage, and described reinforcing cage comprises a plurality of lateral ties.
Described longitudinal hole cross section is circular, and described horizontal hole cross section is rectangle.
Described prefabricated units both sides respectively arrange that longitudinally connects a hole, and each longitudinal hole is connected with several horizontal holes.
Horizontal or longitudinal side embedded bar of described prefabricated units, exposed portions serve is L shaped or U-shaped etc.
Longitudinal side of described prefabricated units and transverse side are matsurface.
Longitudinal hole of described prefabricated units and laterally hole surface are matsurface.
The present invention proposes a kind of preparation method of precast concrete hollow unit, it is characterized in that, comprise the following steps: that (1) is on precast plate production site, adopt bed die, backform, side form and Duo Gen make template for making the length of preformed hole to steel pipe internal mold and short steel pipe internal mold; Wherein backform with on side form, have and long to the steel pipe hole identical with short steel pipe geomery; Part is long has the perforated holes vertical with its axis on steel pipe, and void shape size is identical with short steel pipe.
(2) side form, backform and bed die are combined, arranged steel mesh reinforcement, by how, with the long hole that passes a side backform to steel pipe, pass the gap between two-layer steel mesh reinforcement, through the hole of opposite side backform; To follow short steel pipe through the hole of a side side form, through the gap between two-layer steel mesh reinforcement and long hole on steel pipe more.
(3) concreting in the space that side form, backform and bed die form is extracted short steel pipe out and is formed and laterally do not connect hole after concrete reaches some strength, extracts out longly to steel pipe, to form longitudinal perforation hole.
(4) treat that concrete reaches expection intensity and removes bed die, backform, side form, forms described precast concrete hollow unit.
The present invention compared with prior art has following advantage.
(1) industrialized level is high: precast concrete hollow unit of the present invention is that batch production is produced, and 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 precast unit preparation method of the present invention, in factory, 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 etc.
(3) transportation, easy for installation.In the prefabricated units that the present invention adopts, have hole, lightweight, easy transportation and installation.
(4) prefabricated units seam is easy to connect, reliable.By arrange reinforcing bar in hole, concreting between hole and prefabricated units, making the rear pouring concrete between longitudinal hole, horizontal hole and prefabricated units is an integral body, improves the reliability connecting between prefabricated units, easy construction, avoids the problems such as operational phase gaping of joints.
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.
Accompanying drawing explanation
Fig. 1 is the prefabricated planar plate members schematic diagram of the present invention, and 1 is precast concrete hollow unit, and 2 is longitudinally to connect hole, and 3 for laterally not connecting hole, and 5 for installing suspension ring.
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 longitudinally hole is circular hole, and laterally hole is rectangular opening.
Fig. 4 is the prefabricated T shape of the present invention wall column component schematic diagram.
Fig. 5 is the schematic cross-section in Fig. 4.
Fig. 6 is the prefabricated L shaped wall column component schematic diagram of the present invention.
Fig. 7 is the schematic cross-section in Fig. 6.
Fig. 8 is the prefabricated cross wall column component schematic diagram of the present invention.
Fig. 9 is the schematic cross-section in Fig. 8.
Figure 10 is prefabricated band of the present invention hole wall body construction schematic diagram, and 4 is body of wall above hole does not connect hole, and 6 is the perforation hole of body of wall under hole.
Figure 11 is the schematic cross-section in Figure 10.
Figure 12 is the prefabricated units schematic diagram of band side column of the present invention.
Figure 13 is the template schematic diagram of prefabricated units in the embodiment of the present invention, take prefabricated planar plate members as example.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
The preparation method of embodiment 1, as Figure 13, comprises the following steps: (1), on precast plate production site, adopts bed die 21, side form 22, and backform 23 and Duo Gen make template for making the length of preformed hole to steel pipe internal mold 24 and short steel pipe internal mold 25; Wherein backform 23 with on side form 22, have and long to steel pipe 24 hole identical with short steel pipe 25 geomeries; Part is long has the horizontal hole vertical with its axis on steel pipe, void shape size is identical with short steel pipe, long have three classes to steel pipe according to the situation of punching, one class has horizontal perforated holes, as having, 241, one classes in Figure 13 laterally do not connect hole, as 242 in Figure 13, one class does not have perforate, as 243 in Figure 13.
(2) bed die 21, side form 22 and backform 23 are combined, arranged steel mesh reinforcement (not shown), by how, with the long hole 26 that passes a side backform to steel pipe 24, pass the gap between two-layer steel mesh reinforcement, through the hole 26 of opposite side backform; By how with short steel pipe 25 through the hole 27 of a side side form, through the gap of two-layer steel mesh reinforcement and some length to the hole 28 on steel pipe.
(3) concreting (not shown) in the space forming at bed die 21, side form 22 and backform 23 is extracted 25 formation of short steel pipe out and is not laterally connected hole 3 after concrete reaches some strength, extracts length out and forms longitudinally perforation hole 2 to steel pipe 24.
(4) treat that concrete reaches expection intensity and removes bed die, backform, side form, forms described precast reinforced concrete structure.
According to above-mentioned similar method, can produce prefabricated reinforced concrete T shape wall column component, L shaped wall column component and cross wall column component, as shown in Fig. 4 ~ Fig. 9.In practical application, each limb of wall column component adopts that to adapt to the limb that building structure requires long, and the length of wall column component is generally got the floor height of building, and each limb thickness generally and body of wall uniform thickness.
According to above-mentioned similar method, can produce precast concrete band hole wall body construction, see Figure 10, Figure 11, band hole prefabricated units 1 both sides, hole body of wall has several and longitudinally connects hole 2, be attached thereto the logical hole 3 that laterally do not connect with several, laterally hole is at least connected with a longitudinal hole; Top, hole coupling beam has some vertical holes 4 that do not connect, 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 the vertical hole 6 of some perforations.On member, be provided with suspension ring 5 are installed.
Prefabricated reinforced concrete band side column wall body construction of the present invention is shown in Figure 12, comprise wallboard and side column, on wallboard, have along its length several and longitudinally connect hole 2, width has that several are parallel to each other does not laterally connect hole 3, and laterally hole at least interconnects with a longitudinal hole.On prefabricated units, be provided with suspension ring 5 are installed.
Claims (9)
1. a precast concrete hollow unit, comprise prefabricated panel member, floor member, T shape wall column component, L wall column component, cross wall column component and band hole wall body construction, described band hole wall body construction comprises hole, top, hole coupling beam, both sides, hole body of wall; It is characterized in that, in described precast hollow member, have along its length longitudinal perforation hole that several are parallel to each other, broad ways have several be communicated with longitudinal hole be parallel to each other laterally do not connect hole.
2. precast concrete hollow unit according to claim 1, is characterized in that, the horizontal hole lengths of described prefabricated units both sides is identical, meets the anchoring requirement of stretching into reinforcing bar wherein; Or the horizontal hole lengths of described prefabricated units one side is to stretch into the twice that the anchoring of reinforcing bar wherein requires, and the horizontal hole lengths of opposite side is to stretch into the anchoring requirement of reinforcing bar wherein.
3. described precast concrete hollow unit according to claim 1, is characterized in that, the reinforcing bar in described precast hollow member adopts reinforcing cage, and described reinforcing cage comprises a plurality of lateral ties.
4. precast reinforced concrete structure according to claim 1, is characterized in that, described longitudinal hole cross section is circular, and described horizontal hole cross section is rectangle.
5. precast reinforced concrete structure according to claim 1, is characterized in that, described prefabricated units both sides respectively arrange that longitudinally connects a hole, and each longitudinal hole is connected with several horizontal holes.
6. precast reinforced concrete structure according to claim 1, is characterized in that, horizontal or longitudinal side embedded bar of described prefabricated units, and exposed portions serve is L shaped or U-shaped.
7. precast reinforced concrete structure according to claim 1, is characterized in that, longitudinal side of described prefabricated units and transverse side are matsurface.
8. precast reinforced concrete structure according to claim 1, is characterized in that, longitudinal hole of described prefabricated units and laterally hole surface are matsurface.
9. a preparation method for precast concrete hollow unit, is characterized in that, comprises the following steps:
(1) on precast plate production site, adopt bed die, backform, side form and Duo Gen make template for making the length of preformed hole to steel pipe internal mold and short steel pipe internal mold; Wherein backform with on side form, have and long to the steel pipe hole identical with short steel pipe geomery; Part is long has the perforated holes vertical with its axis on steel pipe, and void shape size is identical with short steel pipe;
(2) side form, backform and bed die are combined, arranged steel mesh reinforcement, by how, with the long hole that passes a side backform to steel pipe, pass the gap between two-layer steel mesh reinforcement, through the hole of opposite side backform; To follow short steel pipe through the hole of a side side form, through the gap between two-layer steel mesh reinforcement and long hole on steel pipe more;
(3) concreting in the space that side form, backform and bed die form is extracted short steel pipe out and is formed and laterally do not connect hole after concrete reaches some strength, extracts out longly to steel pipe, to form longitudinal perforation hole;
(4) treat that concrete reaches expection intensity and removes bed die, backform, side form, forms described precast concrete hollow unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210301316.5A CN103628618A (en) | 2012-08-23 | 2012-08-23 | Precast concrete hollow component, and manufacturing method thereof |
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| CN201210301316.5A CN103628618A (en) | 2012-08-23 | 2012-08-23 | Precast concrete hollow component, and manufacturing method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531508A (en) * | 2014-12-25 | 2015-04-22 | 中船重工环境工程有限公司 | Anaerobic digestion tank and assembly method thereof |
| CN105908899A (en) * | 2016-04-21 | 2016-08-31 | 吉林省健林建筑科技有限公司 | Core-grouted assembly-type concrete column and construction method of same |
| CN106426523A (en) * | 2016-12-05 | 2017-02-22 | 南通联泷建筑材料有限公司 | Multifunctional stereoscopic combined transformation die |
| CN107035045A (en) * | 2017-06-02 | 2017-08-11 | 吉林建筑大学 | A kind of precast concrete bidirectional hollow plate and preparation method thereof |
| CN107060172A (en) * | 2017-06-12 | 2017-08-18 | 中国航天建设集团有限公司 | Two-way cavity armoured concrete slab with and preparation method thereof |
| CN107700749A (en) * | 2017-09-30 | 2018-02-16 | 沈阳建筑大学 | The structure and assembly method of through ribbed prefabricated one-way slabs entirely |
| CN109940734A (en) * | 2019-03-07 | 2019-06-28 | 河北建设集团股份有限公司 | A kind of processing and its splicing process for prefabricated board |
| CN113146809A (en) * | 2021-05-17 | 2021-07-23 | 吉林建筑大学设计研究院有限责任公司 | Core-pulling mold of hollow concrete wallboard, preparation method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104531508A (en) * | 2014-12-25 | 2015-04-22 | 中船重工环境工程有限公司 | Anaerobic digestion tank and assembly method thereof |
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| CN105908899A (en) * | 2016-04-21 | 2016-08-31 | 吉林省健林建筑科技有限公司 | Core-grouted assembly-type concrete column and construction method of same |
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| CN106426523B (en) * | 2016-12-05 | 2019-05-10 | 南通联泷装配式建筑科技有限公司 | A kind of multifunctional stereo combined transformation mold |
| CN107035045A (en) * | 2017-06-02 | 2017-08-11 | 吉林建筑大学 | A kind of precast concrete bidirectional hollow plate and preparation method thereof |
| CN107060172A (en) * | 2017-06-12 | 2017-08-18 | 中国航天建设集团有限公司 | Two-way cavity armoured concrete slab with and preparation method thereof |
| CN107060172B (en) * | 2017-06-12 | 2023-10-27 | 中国航天建设集团有限公司 | Bidirectional cavity reinforced concrete slab and manufacturing method thereof |
| CN107700749A (en) * | 2017-09-30 | 2018-02-16 | 沈阳建筑大学 | The structure and assembly method of through ribbed prefabricated one-way slabs entirely |
| CN109940734A (en) * | 2019-03-07 | 2019-06-28 | 河北建设集团股份有限公司 | A kind of processing and its splicing process for prefabricated board |
| CN113146809A (en) * | 2021-05-17 | 2021-07-23 | 吉林建筑大学设计研究院有限责任公司 | Core-pulling mold of hollow concrete wallboard, preparation method and application |
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Application publication date: 20140312 |
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