CN104612133B - The concrete precast pile of a kind of glass fibre muscle and reinforcing bar hybrid reinforcement - Google Patents
The concrete precast pile of a kind of glass fibre muscle and reinforcing bar hybrid reinforcement Download PDFInfo
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- CN104612133B CN104612133B CN201510020857.4A CN201510020857A CN104612133B CN 104612133 B CN104612133 B CN 104612133B CN 201510020857 A CN201510020857 A CN 201510020857A CN 104612133 B CN104612133 B CN 104612133B
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Abstract
The invention belongs to concrete precast pile technical field, particularly the concrete precast pile of a kind of glass fibre muscle and reinforcing bar hybrid reinforcement. Concrete precast pile in the present invention comprises that two ends are provided with the pile body of anchor plate, described pile body inside is provided with steel reinforcement framework cage, described steel reinforcement framework cage comprises deformed bar, glass fibre muscle and tie hoop, and described deformed bar and glass fibre muscle are arranged on the same face of cylinder taking pile body center line as axis jointly; The two ends of described deformed bar are fixedly connected with the anchor plate that is arranged on pile body two ends respectively, and described deformed bar and tie hoop are welded together, and described glass fibre muscle and tie hoop colligation link together. Concrete precast pile in the present invention not only has the advantages such as high anti-bending strength, good endurance, anti-seismic performance be good, and can be applicable to preferably the region high to horizontal loading requirement; Meanwhile, cost of the present invention low, save steel, construction and convenient transportation.
Description
Technical field
The invention belongs to concrete precast pile technical field, particularly a kind of glass fibre muscle and reinforcing bar are mixedClose the concrete precast pile of arrangement of reinforcement.
Background technology
Concrete precast pile, refers to a kind of elongate concrete that adopts first prestressing force and centrifugal casting to makePrefabricated components. For improving the performance of prefabricated pile, in such stake, can arrange by the main muscle of reinforcing bar and tie hoopThe framework of steel reinforcement forming. Concrete precast pile has the raw quality of industrial scale and is easy to guarantee, single pileBearing capacity is high, to fast, the on-the-spot advantage such as pollution-free of engineering geologic condition strong adaptability, speed of application. ButIt is the durability that concrete precast pile exists pile body anti-bending strength poor and reinforced concrete structureProblem, these defects seriously limited prestressed concrete pipe pile as horizontal support pile large in engineeringSizable application.
Summary of the invention
The object of the invention is, in order to overcome deficiency of the prior art, provides a kind of high anti-bending strength, resistance toThe concrete precast pile that property is good, anti-seismic performance is good for a long time, the concrete precast pile in the present invention can be preferablyBe applicable to the region high to horizontal loading requirement, the concrete precast pile in the present invention can be served as levelSupport pile uses; Meanwhile, cost of the present invention low, save steel, construction and convenient transportation.
For achieving the above object, the present invention has adopted following technical scheme:
A concrete precast pile for glass fibre muscle and reinforcing bar hybrid reinforcement, comprises that two ends are provided withThe pile body of anchor plate, described pile body inside is provided with steel reinforcement framework cage, and described steel reinforcement framework cage comprises in advance shouldPower reinforcing bar, glass fibre muscle and tie hoop, described deformed bar and glass fibre muscle are arranged jointlyOn the same face of cylinder taking pile body center line as axis; The two ends of described deformed bar respectively withThe anchor plate that is arranged on pile body two ends is fixedly connected, and described deformed bar and tie hoop are welded to connectTogether, described glass fibre muscle and tie hoop colligation link together.
Preferably, the quantity of described glass fibre muscle is equal to or less than the quantity of deformed bar; Work as glassWhen the quantity of fiber bar equals the quantity of deformed bar, glass fibre muscle and deformed bar are along circumferenceDirection interleaved is arranged; In the time that the quantity of glass fibre muscle is less than the quantity of deformed bar, glassFiber bar is dispersed between deformed bar.
Preferably, described glass fibre muscle is non-prestressing tendon.
Preferably, the quantity ratio between described deformed bar and glass fibre muscle is 1.4～1.6.
Further, described steel reinforcement framework cage also comprises and is arranged on deformed bar and glass fibre muscle inner sideThe welding hoop of putting more energy into, described deformed bar and the welding hoop of putting more energy into is welded together, described glassFiber bar and welding put more energy into hoop colligation link together.
Preferably, described steel reinforcement framework cage is also provided with colligation section reinforcing bar, described colligation section reinforcing bar and glassFiber bar parallel arrangement, and colligation section reinforcing bar and glass fibre muscle be by together with tied silk colligation, described inColligation section reinforcing bar and tie hoop or welding are put more energy into bind round and are welded together.
Further, described steel reinforcement framework cage also comprises structure muscle, described structure muscle and glass fibre muscle orDeformed bar colligation links together.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1), the present invention has set up the glass fibre muscle being crisscross arranged with the main muscle of reinforcing bar in steel reinforcement framework cage.The material of described glass fibre muscle is fiberglass reinforced plastics (GFRP), and fiberglass reinforced plastics isBy resin and the compound new material forming of glass fibre, it has anticorrosion with respect to regular reinforcementProperty, tensile strength is high, shock resistance good, be convenient to cutting and the remarkable advantage such as lightweight.
In the present invention, adopt the hybrid reinforcement design of presstressed reinforcing steel reinforcing bar and glass fibre muscle, whereinPresstressed reinforcing steel reinforcing bar mainly bears vertical load, and glass fibre muscle is non-prestressing tendon, mainly bears waterFlat load, thus the deformed bar in the present invention and glass fibre muscle work in coordination, make concrete pre-System stake had both had advantages of the high vertical bearing capacity of prestressed concrete support pile, resistance to impacting, while tool againHave that glass fibre muscle self tensile strength is high, corrosion resistance good, shock resistance is strong and the advantage such as lightweight,Therefore the level that the concrete precast pile in the present invention can significantly improve prestressed concrete prefabricated pile is heldCarry the characteristics such as power, anti-bending bearing capacity and durability, it is right compared with high seismic fortification intensity area even can to meetThe performance requirement of pile foundation.
2), applied range of the present invention, concrete strength of pile is high, Compressive Bearing Capacity is high; Hybrid reinforcementDesign, has greatly improved pile body anti-bending strength; The present invention can be applicable to industry and civil buildings, subwayThe deep foundation pit support of platform, the side slope of the infrastructure such as Ye Ke highway, railway and bridge is safeguarded and bridge pierThe field extensive uses such as foundation construction. Because the corrosion resistance of glass fibre muscle is good, of the present inventionSupport pile also can be in field extensive uses such as harbour foundation construction, bridge spanning the sea foundation constructions.
3), the present invention has adopted the combination of glass fibre muscle and deformed bar, thereby has made concrete pre-The cost of system stake reduces, and has also saved great deal of steel.
4), the present invention constructs, produces and transport more for convenience. Current construction of prefabricated piles technology, productionTechnology and to transport technology very ripe, can directly be applied in the present invention completely.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the cross-sectional profile schematic diagram of Fig. 1.
Fig. 3 is the arrangement schematic diagram of 14 presstressed reinforcing steels and 10 glass fibre muscle.
Fig. 4 is the glass fibre muscle and the syndeton schematic diagram that welds the hoop of putting more energy in the present invention.
Fig. 5 is anchor system schematic diagram.
In figure, the implication of label symbol is as follows:
10-pile body, 11-anchor plate, 110-anchor system, 111-anchor hole
112-muscle groove 113-stretch-draw hole 12-pile protection hoop excessively
20-steel reinforcement framework cage, 21-deformed bar, 22-glass fibre muscle
23-tie hoop 24-welding is put more energy into and is bound round 25-colligation section reinforcing bar, 26-tied silk
Detailed description of the invention
Below in conjunction with the accompanying drawing in the present invention, to the technical scheme in the embodiment of the present invention carry out clear,Intactly describe, obviously, described embodiment is only the present invention's part embodiment, instead of completeThe embodiment of portion.
As shown in Figure 1, the concrete precast pile of a kind of glass fibre muscle and reinforcing bar hybrid reinforcement, comprises twoEnd is provided with the pile body 10 of anchor plate 11, and described pile body 10 inside are provided with steel reinforcement framework cage 20, instituteState steel reinforcement framework cage 20 and comprise deformed bar 21, glass fibre muscle 22 and tie hoop 23, described inDeformed bar 21 and glass fibre muscle 22 are set parallel to each other, and the two is arranged in jointly with in pile bodyHeart line is on the same face of cylinder of axis; The length of described deformed bar 21 is greater than glass fibre muscle22 length, the two ends of deformed bar 21 are solid with the anchor plate 11 that is arranged on pile body 10 two ends respectivelyFixed connection, described deformed bar 21 is welded together with tie hoop 23, described glass fibreMuscle 22 links together with tie hoop 23 colligations; Described glass fibre muscle 22 is non-prestressing tendon.
Pile body in Fig. 1 is hollow, and pile body also can adopt solid certainly.
In the time of deformed bar 21 and glass fibre muscle 22 hybrid reinforcement, the quantity of the two can reference tableNumerical value in 1 is chosen:
Table 1 arrangement of reinforcement list
In the time that the quantity of glass fibre muscle 22 equals the quantity of deformed bar 21, the two can according to asMode shown in Fig. 2 is arranged, and glass fibre muscle 22 and deformed bar 21 are along the circumferential direction to each otherEvery staggered; In the time that the quantity of glass fibre muscle 22 is less than the quantity of deformed bar 21, the two canTo arrange according to mode as shown in Figure 3, glass fibre muscle 22 is dispersed between deformed bar 21.
As shown in Figure 2, described steel reinforcement framework cage 20 also comprises and is arranged on deformed bar 21 and glass fibersThe welding of dimension muscle 22 inner sides is put more energy into and is bound round 24, and described deformed bar 21 is put more energy into and bound round 24 companies of welding with weldingBe connected together, described glass fibre muscle 22 and welding hoop 24 colligations of putting more energy into link together.
As shown in Figure 4, described steel reinforcement framework cage 20 is also provided with colligation section reinforcing bar 25, described colligation sectionReinforcing bar 25 and glass fibre muscle 22 parallel arrangements, and colligation section reinforcing bar 25 passes through with glass fibre muscle 22Together, described colligation section reinforcing bar 25 is put more energy into and is bound round 24 welderings with tie hoop 23 or welding in tied silk 26 colligationsBe connected together in succession.
Certainly, described steel reinforcement framework cage 20 can also be provided with structure muscle, described structure muscle and glass fibersDimension muscle or deformed bar colligation link together.
Described deformed bar 21 is in the time of anchoring, and the end of deformed bar 21 is fixed on anchor plate 11Anchor system 110 on, as shown in Figure 5, described anchor system 11 by anchor hole 111, cross muscle groove112, stretch-draw hole 113 forms; The end of deformed bar 21 is passed successively stretch-draw hole 113, is crossed muscle groove112 and be fixed on anchor hole 111, to realize and being connected of anchor plate 11.
Claims (6)
1. a concrete precast pile for glass fibre muscle and reinforcing bar hybrid reinforcement, comprises that two ends all arrangeHave the pile body (10) of anchor plate (11), described pile body (10) inside is provided with steel reinforcement framework cage (20),It is characterized in that: described steel reinforcement framework cage (20) comprises deformed bar (21), glass fibre muscle (22)And tie hoop (23), described deformed bar (21) and glass fibre muscle (22) are arranged in jointlyOn the same face of cylinder taking pile body center line as axis; The two ends of described deformed bar (21) respectivelyBe fixedly connected with the anchor plate (11) that is arranged on pile body (10) two ends, described deformed bar (21)Be welded together with tie hoop (23), described glass fibre muscle (22) and tie hoop (23)Colligation links together;
The quantity of described glass fibre muscle (22) is equal to or less than the quantity of deformed bar (21); WhenWhen the quantity of glass fibre muscle (22) equals the quantity of deformed bar (21), glass fibre muscle (22)And along the circumferential direction interleaved arrangement of deformed bar (21); When the quantity of glass fibre muscle (22)While being less than the quantity of deformed bar (21), glass fibre muscle (22) is dispersed in deformed bar (21)Between.
2. the concrete of a kind of glass fibre muscle according to claim 1 and reinforcing bar hybrid reinforcement is pre-System stake, is characterized in that: described glass fibre muscle (22) is non-prestressing tendon.
3. the concrete of a kind of glass fibre muscle according to claim 1 and reinforcing bar hybrid reinforcement is pre-System stake, is characterized in that: the quantity between described deformed bar (21) and glass fibre muscle (22)Ratio is 1.4～1.6.
4. according to a kind of glass fibre muscle described in claim 1～3 any one and reinforcing bar hybrid reinforcementConcrete precast pile, is characterized in that: described steel reinforcement framework cage (20) also comprises and is arranged on prestress steelThe welding of muscle (21) and glass fibre muscle (22) the inner side hoop (24) of putting more energy into, described deformed bar (21)Be welded together with the welding hoop (24) of putting more energy into, described glass fibre muscle (22) and the welding hoop of putting more energy into(24) colligation links together.
5. the concrete of a kind of glass fibre muscle according to claim 4 and reinforcing bar hybrid reinforcement is pre-System stake, is characterized in that: described steel reinforcement framework cage (20) is also provided with colligation section reinforcing bar (25), instituteState colligation section reinforcing bar (25) and glass fibre muscle (22) parallel arrangement, and colligation section reinforcing bar (25) withGlass fibre muscle (22) passes through tied silk (26) colligation together, described colligation section reinforcing bar (25) and spiral shellRevolve stirrup (23) or weld the hoop (24) of putting more energy into and be welded together.
6. the concrete of a kind of glass fibre muscle according to claim 4 and reinforcing bar hybrid reinforcement is pre-System stake, is characterized in that: described steel reinforcement framework cage (20) also comprises structure muscle described structure muscle and glassGlass fiber bar or deformed bar colligation link together.
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| CN201510020857.4A CN104612133B (en) | 2015-01-15 | 2015-01-15 | The concrete precast pile of a kind of glass fibre muscle and reinforcing bar hybrid reinforcement |
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| CN201510020857.4A CN104612133B (en) | 2015-01-15 | 2015-01-15 | The concrete precast pile of a kind of glass fibre muscle and reinforcing bar hybrid reinforcement |
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| CN104612133B true CN104612133B (en) | 2016-05-25 |
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| CN106192993A (en) * | 2016-07-14 | 2016-12-07 | 河海大学 | Modified GFRP muscle and reinforcing bar Concrete Structure anticorrosion stake and preparation method |
| CN106087979B (en) * | 2016-07-28 | 2019-04-23 | 安徽省建筑科学研究设计院 | A kind of steel reinforcement framework cage in concrete precast pile |
| CN106869137A (en) * | 2017-02-27 | 2017-06-20 | 淮北宇鑫新型材料有限公司 | One kind mixing steel reinforcement cage and foundation pit supporting pile |
| CN107130598A (en) * | 2017-06-07 | 2017-09-05 | 安徽省建筑科学研究设计院 | A kind of glass fibre rib concrete pile containing optical fiber |
| CN107130589A (en) * | 2017-06-07 | 2017-09-05 | 安徽省建筑科学研究设计院 | A kind of asymmetric compound armored concrete poured support stake |
| CN108330989A (en) * | 2018-04-17 | 2018-07-27 | 安徽省建筑科学研究设计院 | A kind of Ω types foundation pit supporting pile and its connection structure |
| CN108442360A (en) * | 2018-04-19 | 2018-08-24 | 安徽省建筑科学研究设计院 | A kind of concrete support pile including carbon fiber arrangement of reinforcement |
| CN108411903B (en) * | 2018-04-19 | 2024-04-05 | 安徽省建筑科学研究设计院 | Concrete support pile comprising basalt fiber reinforced bars |
| CN113931168B (en) * | 2021-10-19 | 2023-03-14 | 安徽省公路桥梁工程有限公司 | Connecting structure of precast pile configured with glass fiber reinforcement and construction method of connecting structure |
| CN114108677A (en) * | 2021-12-10 | 2022-03-01 | 安徽省公路桥梁工程有限公司 | Precast pile with glass fiber reinforced bars and pile forming and connecting mode |
| CN115126159A (en) * | 2022-06-24 | 2022-09-30 | 保利长大工程有限公司 | Glass fiber pile foundation reinforcement cage and construction method thereof |
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| JP2609157B2 (en) * | 1989-08-07 | 1997-05-14 | 鹿島建設株式会社 | Construction method of corrosion resistant pile |
| KR101222070B1 (en) * | 2010-06-23 | 2013-01-15 | 한국건설기술연구원 | Ocean Pile having FRP Pipe for Splash Zone Corrosion Protection and Construction Method thereof |
| KR20120040529A (en) * | 2010-10-19 | 2012-04-27 | 고려대학교 산학협력단 | Hybrid reinforced concrete structure using frp bar and steel bar |
| CN202543913U (en) * | 2012-04-28 | 2012-11-21 | 从卫民 | Prestressed supporting cantilever pile provided with reinforced plastic stirrup |
| CN102644277A (en) * | 2012-04-28 | 2012-08-22 | 从卫民 | Supporting cantilever pile with prestress steel bowstring and reinforced plastic rod composite structure |
| CN102644280A (en) * | 2012-04-28 | 2012-08-22 | 从卫民 | Retaining cantilever pile with reinforced plastic stirrups |
| CN102644281A (en) * | 2012-04-28 | 2012-08-22 | 从卫民 | Prestressed supporting cantilever pile with reinforcing plastic stirrups |
| CN204475313U (en) * | 2015-01-15 | 2015-07-15 | 安徽省建筑科学研究设计院 | The concrete precast pile of a kind of glass fiber-reinforced polymer and reinforcing bar hybrid reinforcement |
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Address after: Lake Road in Shushan District of Hefei City, Anhui Province, No. 567 230000 Patentee after: ANHUI INSTITUTE OF BUILDING RESEARCH & DESIGN Address before: 230001 No. 28 South Road, Hefei, Anhui Patentee before: ANHUI INSTITUTE OF BUILDING RESEARCH & DESIGN |
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