CN203096922U - Precast concrete hollow member - Google Patents
Precast concrete hollow member Download PDFInfo
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- CN203096922U CN203096922U CN 201220373385 CN201220373385U CN203096922U CN 203096922 U CN203096922 U CN 203096922U CN 201220373385 CN201220373385 CN 201220373385 CN 201220373385 U CN201220373385 U CN 201220373385U CN 203096922 U CN203096922 U CN 203096922U
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- precast concrete
- concrete hollow
- hole
- hollow unit
- longitudinal fluting
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Abstract
The utility model relates to a precast concrete hollow member, which belongs to the technical field of precast concrete structures and is provided with a plurality of longitudinal thorough holes parallel with the surface along the length direction, wherein longitudinal grooves are formed at end parts of the longitudinal holes. The precast concrete hollow member has the advantages of improving the connecting reliability among precast concrete members, improving the industrial level of building structures and saving sources and can be used in various wall bodies and floors.
Description
Technical field
The utility model belongs to the prefabricated reinforced concrete structure technical field, relates in particular to a kind of precast concrete hollow unit that is applicable to cast in place and precast construction.
Background technology
Field fabrication is many in the monolithic reinforced concrete structure work progress, and wet trade is many, and intermediate links such as a large amount of form work engineerings, scaffolding work are arranged, waste resource, contaminated environment; Practitioner's quality, job site environment etc. are very big to the build guality influence, bring 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 height, quality are good, saves the resource and the energy, helps sustainable development.Adopting precast concrete is the direction of industrialization of construction industry development.
Have horizontal joint, vertical abutment joint etc. in the precast concrete between prefabricated units, the stress performance of seam has determined integrality performance of the structure.Existing precast concrete seam crossing new-old concrete bonding surface is a weak link, has influenced stress performance, and is easy to cracking, and influence is normally used.
In order to reduce the weight of member, hole generally is set in prefabricated units forms precast hollow slab.Connection in the existing technology between the precast hollow member is still weak link.
Summary of the invention
The purpose of this utility model is to improve the industrialized level of building structure, solves the weak deficiency of seam connection between traditional prefabricated units, and a kind of precast concrete hollow unit is provided.The precast unit that the utility model proposes significantly improves the globality of precast concrete, improves the performance of building structure; Realize batch production production, reduced cost, saved the resource and the energy.
Have several vertical perforated holes parallel in the precast concrete hollow unit that the utility model proposes along its length with the surface, at vertical place, hole end longitudinal fluting is set, makes precast concrete hollow unit end recesses and projection vertical hole cross section that is interspersed be circle, rectangle etc.; At least one vertical hole end is provided with longitudinal fluting, and vertical hole end regions is enlarged; Described longitudinal fluting lateral view is trapezoidal, rectangle, hexagon, spindle, semicircle etc.
Described precast concrete hollow unit is the flat board that is used for body of wall or superstructure or roof system.
Described precast concrete hollow unit is T shape or L shaped or cross wall column.
Described precast concrete hollow unit is a ∏ shape member.
Described precast concrete hollow unit is a trough slab, and described vertical hole is arranged on vertical rib place.
Described precast concrete hollow unit has the wallboard at hole, and described wallboard comprises hole, top, hole coupling beam, both sides, hole body of wall.
The longitudinal fluting of described precast concrete hollow unit keeps concrete at the one or both sides of precast plate plate face.
Described precast concrete hollow unit broad ways has several and parallelly with the surface does not connect horizontal hole; Laterally hole runs through a vertical hole at least; At least one horizontal hole is unlikely to component ends and runs through longitudinal fluting; Laterally the hole cross section is circle, rectangle etc.
The longitudinal fluting position of described precast concrete hollow unit is provided with embedded bar, and exposed parts is a U-shaped, L shaped etc.
The reinforcing bar of described precast concrete hollow unit adopts reinforcing cage, and reinforcing cage comprises a plurality of vertical stirrups, generally is arranged in the raised areas between the longitudinal fluting.
In some structures, abnormity components such as arc, sector can be occurred, also precast unit of the present utility model can be adopted.
The bearing system of body of wall load-carrying members (for example shear wall structure, basement, material storage container, retaining wall, tunnel, pipeline etc.) is generally by plane body of wall, floor, compositions such as L type, T type, cross node and hole, corresponding overall structure can be decomposed into unit such as flat board, T type wall column, L wall column, cross wall column and band hole member, perhaps ∏ shape member can form fabricated construction with the back that is prefabricated in the factory, each unit to assembled on site.The precast unit that the utility model proposes comprises precast concrete flat board (being used for body of wall and floor), precast concrete L type, T type, cross wall column, precast concrete band hole wallboard, precast concrete ∏ shape member etc. wherein are with the hole wallboard to comprise both sides of the edge, hole member and top coupling beam.The precast concrete hollow unit that employing the utility model proposes can guarantee the connection integrity at wall body structure bed joint, horizontal primary structure member bearing place, significantly improves the performance that improves structure.
The precast unit that the utility model proposes can be used for floor, roof panel, pipeline top board or base plate, tunnel top board or base plate and other horizontal primary structure members; Can be used for vertical members such as body of wall, for example 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 utility model compared with prior art has following advantage.
(1) industrialized level height: precast unit production efficiency height, quality be good, save resource, help sustainable development.
(2) standardization level height: shear wall structure and other body of wall load-carrying members are by the plane body of wall, L type, T type and cross node and compositions such as hole, floor; Corresponding, make concrete plane wall body construction, plane floor member, band hole wall body construction according to unified specification, structure, and L type, T type, cross wall column component or ∏ shape member etc.
(3) transportation, easy for installation.Have hole in the prefabricated units that the utility model proposes, in light weight, easy transportation and installation.
(4) the prefabricated units seam is easy to connect, reliable.Behind concreting between prefabricated units, vertically between the back pouring concrete and prefabricated units in the hole, the back pouring concrete in the groove is an integral body, improve the reliability that connection is connected with prefabricated horizontal flexural member bearing place between the precast wall body components layer greatly, easy construction.
Description of drawings
Fig. 1 is a prefabricated planar plate members schematic diagram of the present utility model.
Fig. 2-the 1st, A-A schematic cross-section among Fig. 1.
Fig. 2-the 2nd, B-B schematic cross-section among Fig. 1.
Fig. 3 is a prefabricated planar plate members schematic diagram of the present utility model, and precast plate one end has longitudinal fluting.
Fig. 4-the 1st, C-C schematic cross-section among Fig. 3.
Fig. 4-the 2nd, D-D schematic cross-section among Fig. 3.
Fig. 5 is a precast concrete hollow unit schematic diagram of the present utility model, and longitudinal fluting keeps concrete in a side of precast plate.
Fig. 6-the 1st, E-E schematic cross-section among Fig. 5.
Fig. 6-the 2nd, F-F schematic cross-section among Fig. 5.
Fig. 7 is a precast concrete hollow unit schematic diagram of the present utility model, and longitudinal fluting keeps concrete in the two sides of precast plate.
Fig. 8-the 1st, G-G schematic cross-section among Fig. 7.
Fig. 8-the 2nd, H-H schematic cross-section among Fig. 7.
Fig. 9 is a precast concrete hollow unit schematic diagram of the present utility model, and the member two ends have and do not connect horizontal hole, run through longitudinal fluting.
Figure 10-the 1st, I-I schematic cross-section among Fig. 9.
Figure 10-the 2nd, J-J schematic cross-section among Fig. 9.
Figure 11 is a precast concrete hollow unit schematic diagram of the present utility model, has a plurality of horizontal holes that do not connect in the member.
Figure 12-the 1st, K-K schematic cross-section among Figure 11.
Figure 12-the 2nd, L-L schematic cross-section among Figure 11.
Figure 12-the 3rd, M-M schematic cross-section among Figure 11.
Figure 13 is a precast concrete hollow unit schematic diagram of the present utility model, and longitudinal fluting one side is provided with embedded bar.
Figure 14 is a precast concrete hollow unit schematic diagram of the present utility model, and the longitudinal fluting both sides are provided with embedded bar.
Figure 15 is a prefabricated T shape wall column component schematic diagram of the present utility model.
Figure 16 is a prefabricated T shape wall column component schematic diagram of the present utility model, has in the member and does not connect horizontal hole.
Figure 17 is a prefabricated L shaped wall column component schematic diagram of the present utility model.
Figure 18 is a prefabricated L shaped wall column component schematic diagram of the present utility model, has in the member and does not connect horizontal hole.
Figure 19 is a prefabricated cross wall column component schematic diagram of the present utility model.
Figure 20 is a prefabricated cross wall column component schematic diagram of the present utility model, has in the member and does not connect horizontal hole.
Figure 21 is a prefabricated ∏ shape member schematic diagram of the present utility model.
Figure 22 is a pregroove member schematic diagram of the present utility model.
Figure 23 is the schematic cross-section among Figure 22.
Figure 24 is a prefabricated band of the present utility model hole member schematic diagram.
Figure 25 is a precast beam unit schematic diagram of the present utility model.
Figure 26 is a beam support of the present utility model place precast wall body member schematic diagram.
The specific embodiment
Embodiment 1 is a prefabricated planar plate members schematic diagram of the present utility model, shown in Fig. 1, Fig. 2-1 and Fig. 2-2, has at least one vertical perforated holes 12 in the prefabricated planar plate members 11 along its length, and vertically the hole two ends are provided with longitudinal fluting 13.The width of longitudinal fluting vertically gos deep into test specimen length 100mm ~ 400mm generally greater than vertical hole diameter along prefabricated units.When prefabricated planar plate members was used as body of wall, length was generally got the building floor height, and width is generally got 300 modulus, and thickness equals thickness of wall body.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
The preparation method of embodiment 1 may further comprise the steps: 1) arrange the template of prefabricated flat board on production site, arrange steel mesh reinforcement; On the backform at its middle plateform two ends preformed hole is arranged, the diameter of preformed hole is identical with the external diameter of steel pipe internal mold; The backform formation groove shapes that concaves in the preformed hole zone; 2) arrange the steel pipe internal mold that is used to make vertical perforated holes, the steel pipe internal mold passes the centre of the preformed hole and the steel mesh reinforcement of dull and stereotyped backform; 3) concreting in the space that template constitutes before hardening of concrete, is extracted the steel pipe internal mold out, forms vertical perforated holes; Treat concrete reach the expection intensity after stripping, form prefabricated planar plate members.
Described prefabricated planar plate members also can be produced the precast plate of vertical perforated holes according to existing production method, leaves groove with cast-cutting saw in vertical hole end, forms described prefabricated planar plate members.
Can produce the precast concrete hollow unit of following type according to above-mentioned similar method.
Fig. 3, Fig. 4-1 and Fig. 4-2 are the prefabricated planar plate members that a side end has longitudinal fluting; Have the vertical perforated holes 32 parallel with the surface in the prefabricated planar plate members 31 along its length, vertically hole one end is provided with longitudinal fluting 33.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
Fig. 5, Fig. 6-1 and Fig. 6-2 keep concrete precast concrete hollow unit for the side plate face of longitudinal fluting; The inside of precast concrete hollow unit 51 has the vertical perforated holes 52 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 53, and a side of groove 53 keeps concrete 54.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
Fig. 7, Fig. 8-1 and Fig. 8-2 keep concrete precast concrete hollow unit for the biside plate face of longitudinal fluting; The inside of precast concrete hollow unit 71 has the vertical perforated holes 72 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 73, and the both sides of groove 73 keep concrete seven 4.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
The precast concrete hollow unit that Fig. 9, Figure 10-1 and Figure 10-2 do not connect horizontal hole for the member two ends have, laterally hole runs through mutually with longitudinal fluting; The inside of precast concrete hollow unit 91 has the vertical perforated holes 92 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 93; The member two ends have and do not connect horizontal hole 94, run through with longitudinal fluting 93.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
Figure 11, Figure 12-1, Figure 12-2 and Fig. 2-3 for member two ends and middle part have several do not connect horizontal hole the precast concrete hollow unit, the horizontal hole in two ends runs through mutually with longitudinal fluting; The inside of precast concrete hollow unit 111 has the vertical perforated holes 112 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 113; Member two ends and middle part have and do not connect horizontal hole 114, and the horizontal hole and the longitudinal fluting 93 at two ends run through.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
Figure 13 is the precast concrete hollow unit of longitudinal fluting one side embedded bar; The inside of precast concrete hollow unit 131 has the vertical perforated holes 132 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 133; Longitudinal fluting one side embedded bar 134, exposed portions serve are U-shaped or L shaped etc.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
Figure 14 is the precast concrete hollow unit of longitudinal fluting both sides embedded bar; The inside of precast concrete hollow unit 141 has the vertical perforated holes 142 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 143; Longitudinal fluting both sides embedded bar 144, exposed portions serve are U-shaped or L shaped etc.Also be provided with on the prefabricated units 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 vertical perforated holes 152 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 153.Also be provided with on the prefabricated units suspension ring (not shown) is installed.It is long that three limbs of T shape wall column adopt the limb that adapts to the building structure requirement in the practical application; 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 vertical perforated holes 162 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 163; Have in the member and do not connect horizontal hole 164, the horizontal hole and the longitudinal fluting 163 at two ends run through.Also be provided with on the prefabricated units 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 vertical perforated holes 172 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 173.Also be provided with on the prefabricated units suspension ring (not shown) is installed.It is long that two limbs of L shaped wall column adopt the limb that adapts to the building structure requirement in the practical application; 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 vertical perforated holes 182 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 183; Have in the member and do not connect horizontal hole 184, the horizontal hole and the longitudinal fluting 183 at two ends run through.Also be provided with on the prefabricated units 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 vertical perforated holes 192 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 193.Also be provided with on the prefabricated units suspension ring (not shown) is installed.It is long that each limb of cross wall column adopts the limb that adapts to the building structure requirement in the practical application; 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 vertical perforated holes 202 parallel with the surface along its length, and vertically the hole two ends are provided with longitudinal fluting 203; Have in the member and do not connect horizontal hole 204, the horizontal hole and the longitudinal fluting 203 at two ends run through.Also be provided with on the prefabricated units 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 vertical perforated holes 212 parallel with the surface, and vertically the hole end is provided with longitudinal fluting 213.Also be provided with on the prefabricated units suspension ring (not shown) is installed.∏ shape member can be used as the assembly of floor and body of wall in the practical application, the assembly of perhaps vertical wall and cross wall; The 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 vertical perforated holes 222 parallel with the surface along its length, and vertically the hole end is provided with longitudinal fluting 223.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
Figure 24 is a prefabricated band hole member schematic diagram; Have vertical perforation hole 242 in the body of wall of both sides, wall body construction 241 hole, described prefabricated band hole, top, hole coupling beam has some vertical holes 244 that do not run through, and generally is not less than 20mm apart from external surface at the bottom of the hole; Bottom, hole body of wall (when having door opening on the body of wall, not having this part body of wall) has some vertical holes 245 that run through; Wall body construction 241 tops, prefabricated band hole and the vertical hole in bottom place are provided with longitudinal fluting 243.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
Figure 25 is the precast beam unit schematic diagram, and beam 251 has perforation hole 252 along the depth of beam direction in the bearing scope, connects the hole two ends longitudinal fluting 253 is set.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
Figure 26 is a beam support place precast wall body member schematic diagram; The inside of precast wall body 261 has the vertical perforated holes 262 parallel with the surface, and vertically the hole two ends are provided with longitudinal fluting 263; Body of wall 261 receives 264 in the beam support position.Also be provided with on the prefabricated units suspension ring (not shown) is installed.
Claims (10)
1. a precast concrete hollow unit is characterized in that, has several vertical perforated holes parallel with the surface in this precast concrete hollow unit along its length, and the place is provided with longitudinal fluting in vertical hole end.
2. precast concrete hollow unit according to claim 1 is characterized in that, described precast concrete hollow unit is the flat board that is used for body of wall or superstructure.
3. precast concrete hollow unit according to claim 1 is characterized in that, described precast concrete hollow unit is T shape or L shaped or cross wall column.
4. precast concrete hollow unit according to claim 1 is characterized in that, described precast concrete hollow unit is a ∏ shape member.
5. precast concrete hollow unit according to claim 1 is characterized in that, described precast concrete hollow unit is a trough slab, and described vertical hole and described vertical hole are arranged on vertical rib place.
6. precast concrete hollow unit according to claim 1 is characterized in that, described precast concrete hollow unit is the wallboard that has the hole, and described wallboard comprises hole, top, hole coupling beam, both sides, hole body of wall.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described precast concrete hollow units, it is characterized in that described longitudinal fluting keeps concrete at the one or both sides of precast concrete hollow unit plate face.
8. according to claim 1 or 2 or 3 or 4 or 5 or 6 described precast concrete hollow units, it is characterized in that, broad ways has several and does not connect horizontal hole with vertical hole runs through mutually in the described precast concrete hollow unit, and described longitudinal fluting runs through mutually with the horizontal hole of component ends.
9. according to claim 1 or 2 or 3 or 4 or 5 or 6 described precast concrete hollow units, it is characterized in that the longitudinal fluting position of described precast concrete hollow unit is provided with embedded bar, exposed parts is a U-shaped or L shaped.
10. according to claim 1 or 2 or 3 or 4 or 5 or 6 described precast concrete hollow units, it is characterized in that the reinforcing bar in the described precast concrete hollow unit adopts reinforcing cage, described reinforcing cage comprises a plurality of vertical stirrups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373385 CN203096922U (en) | 2012-07-31 | 2012-07-31 | Precast concrete hollow member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373385 CN203096922U (en) | 2012-07-31 | 2012-07-31 | Precast concrete hollow member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203096922U true CN203096922U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220373385 Expired - Fee Related CN203096922U (en) | 2012-07-31 | 2012-07-31 | Precast concrete hollow member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203096922U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572884A (en) * | 2012-07-31 | 2014-02-12 | 初明进 | Prefabricated concrete hollow component |
| CN106223473A (en) * | 2016-07-29 | 2016-12-14 | 初明进 | A kind of precast reinforced concrete structure method of attachment |
-
2012
- 2012-07-31 CN CN 201220373385 patent/CN203096922U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572884A (en) * | 2012-07-31 | 2014-02-12 | 初明进 | Prefabricated concrete hollow component |
| CN106223473A (en) * | 2016-07-29 | 2016-12-14 | 初明进 | A kind of precast reinforced concrete structure method of attachment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20150731 |
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| EXPY | Termination of patent right or utility model |