CN203475413U - Pile foundation steel reinforcement cage structure - Google Patents
Pile foundation steel reinforcement cage structure Download PDFInfo
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- CN203475413U CN203475413U CN201320528060.1U CN201320528060U CN203475413U CN 203475413 U CN203475413 U CN 203475413U CN 201320528060 U CN201320528060 U CN 201320528060U CN 203475413 U CN203475413 U CN 203475413U
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- reinforcing cage
- pile foundation
- steel reinforcement
- reinforcement cage
- cage
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Abstract
The utility model discloses a pile foundation steel reinforcement cage structure and relates to assembly technologies of pile foundation steel reinforcement cages. The pile foundation steel reinforcement cage structure comprises a jig frame (1) and a steel reinforcement cage (2). The steel reinforcement cage (2) comprises a first steel reinforcement cage segment (3), a second steel reinforcement cage segment (4), first longitudinal reinforcing steel bars (31), second longitudinal reinforcing steel bars (41) and sleeves (6) with the interiors provided with internal threads. The two ends of each of the sleeves (6) are connected with the corresponding first longitudinal reinforcing steel bar (31) and the corresponding second longitudinal reinforcing steel bar (41) through the threads. The jig frame (1) comprises a base (7) and arc-shaped supporting plates (8). Supporting columns (9) are connected to the lower portions of the two ends of each arc-shaped supporting plate (8), and the bottom ends of the supporting columns (9) are fixed on the base (7). The pile foundation steel reinforcement cage structure is convenient and fast to install, higher in structural stability, short in construction period and strong in quality controllability. Moreover, butt joints of the steel reinforcement cage are continuous and are high in precision.
Description
Technical field
The utility model relates to the package technique of pile foundation steel bar cage, specifically a kind of pile foundation steel bar cage structure.
Background technology
Development along with bridge technology, bridge across footpath progressively increases greatly, major diameter, overlength pile foundation steel bar cage are more and more employed in design, the features such as pile foundation steel bar cage also has that diameter is large thereupon, Heavy Weight, length is long, bar splice is many, merogenesis docks often.Because the on-the-spot installation period of reinforcing cage of major diameter, overlength pile foundation is long, therefore when assembling pile foundation steel bar cage, reinforcing cage precipitates too much problem at the bottom of easily there is producing collapse hole, hole, and the problem that has hidden danger of quality.
Simultaneously, existing pile foundation steel bar cage is processing and fabricating on precast beam pedestal normally, and without standard moulding bed, after processing, reinforcing cage carries out again next procedure, but there is following shortcoming in this operation: 1. the moulding bed that there is no fixed standard, reinforcing cage colligation and assembling process are comparatively complicated, and the reinforcing cage of making is uneven on the whole, and the reinforcing cage quality of making is low; 2. precast beam pedestal space is less, higher apart from ground, and constructor's working environment is dangerous.3. reinforcing cage material needs hoisting transportation to precast beam pedestal, and the process Occupation time of transportation is longer.
Summary of the invention
One of them object of the present utility model is in order to overcome the weak point of background technology, and a kind of pile foundation steel bar cage structure is provided.
To achieve these goals, the technical solution of the utility model is: pile foundation steel bar cage structure, comprise moulding bed and set up the reinforcing cage on moulding bed, described reinforcing cage comprises the first sections reinforcing cage and the second sections reinforcing cage of adjacent layout, the first sections reinforcing cage comprises some the first longitudinal reinforcements that are round, the second sections reinforcing cage comprises some the second longitudinal reinforcements that are round, it is characterized in that: described reinforcing cage also comprises that inside establishes female sleeve, the two ends of the two ends of described the first longitudinal reinforcement and the second longitudinal reinforcement are equipped with external screw thread, the two ends of described sleeve are threaded with the first longitudinal reinforcement and the second longitudinal reinforcement respectively, described moulding bed comprises base and a plurality of arc pallet mating with the outer wall of reinforcing cage, and the bottom, two ends of each arc pallet is connected with support column, and the bottom of support column is fixed on base.
In technique scheme, the utility model is applicable to the long L >=27m of stake, stake footpath φ >=1m pile foundation steel bar cage construction works, it can effectively solve super long pile base reinforcing cage processing difficulties, and long causing of installation period precipitated too much and the construction quality hidden danger occurring at the bottom of collapse hole, hole.
The utility model is convenient and swift when mounted, and structural stability is higher, and not only short construction period, quality controllability are strong, and the banjo fixing butt jointing of reinforcing cage is continuous, and banjo fixing butt jointing precision is high.
The shell of described sleeve is provided with rolling decorative pattern.
In technique scheme, rolling decorative pattern can make the convenient rotational sleeve of staff.
The upper end of described arc pallet is provided with some spaced apart reinforcement bar standing grooves.
In technique scheme, reinforcement bar standing groove can make reinforcing cage better be fixed on arc pallet.
Described base comprises two base plates that are arranged in parallel, and the bottom of support column is fixed on base plate.
In technique scheme, base is divided into two base plates that are arranged in parallel, can make cost of the present utility model lower.
One or more in described base plate, arc pallet and support column are angle steel.
In technique scheme, angle steel can further reduce cost of the present utility model.
The utility model is prefabricated continuously in precasting yard batch production, its short construction period, and quality controllability is strong; Adopt segmented prefabricatedly, utilize last sections for fixed form, continuously, banjo fixing butt jointing precision is high in joint docking; Reinforcing bar adopts sleeve to connect, and it is more convenient to process, and operates simpler.
The utility model is not only simple to operate, and overall structure is unified, meets unified standard.Moulding bed can be installed on the ground, can construct on the ground, and compared with prior art, working environment is broad, has good security performance.After assembling steel reinforcement cage completes, once lift to beam pedestal, can reduce cost of transportation.The utility model also has advantages of compactness simple for structure, cheap for manufacturing cost and easy to use.
Compared with prior art, its advantage is the utility model:
1. because reinforcing cage is that batch production is prefabricated continuously in precasting yard, short construction period, quality controllability is strong;
2. because the utility model employing is segmented prefabricated, utilize last sections for fixed form, banjo fixing butt jointing is continuous, and banjo fixing butt jointing precision is high;
3. reinforcing bar adopts sleeve to connect, and technique is advanced, quick and easy for installation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of moulding bed described in the utility model.
1-moulding bed in figure, 2-reinforcing cage, 3-the first sections reinforcing cage, 31-the first longitudinal reinforcement, 4-second stage reinforcing cage, 41-the second longitudinal reinforcement, 5-the 3rd sections reinforcing cage, 6-sleeve, 7-base, 71-base plate, 8-arc pallet, 9-support column.
The specific embodiment
Below in conjunction with accompanying drawing, describe performance of the present utility model in detail, but they do not form to restriction of the present utility model, only for example.By explanation, make advantage of the present utility model more know and easily understand simultaneously.
Consult accompanying drawing known: as shown in Figure 1, pile foundation steel bar cage structure, comprise moulding bed 1 and set up the reinforcing cage 2 on moulding bed 1, described reinforcing cage 2 comprises the first sections reinforcing cage 3 and the second sections reinforcing cage 4 of adjacent layout, the first sections reinforcing cage 3 comprises some the first longitudinal reinforcements 31 that are round, the second sections reinforcing cage 4 comprises some the second longitudinal reinforcements 23 that are round, it is characterized in that: described reinforcing cage 2 also comprises that inside establishes female sleeve 6, the two ends of the two ends of described the first longitudinal reinforcement 31 and the second longitudinal reinforcement 41 are equipped with external screw thread, the two ends of described sleeve 6 are threaded with the first longitudinal reinforcement 31 and the second longitudinal reinforcement 42 respectively, described moulding bed 1 comprises base 7 and a plurality of arc pallet 8 mating with the outer wall of reinforcing cage, and the bottom, two ends of each arc pallet 8 is connected with support column 9, and the bottom of support column 9 is fixed on base 7.
The utility model is applicable to the long L >=27m of stake, stake footpath φ >=1m pile foundation steel bar cage construction works, it can not only effectively solve super long pile base reinforcing cage processing difficulties, and can solve that installation period is long causes at the bottom of collapse hole, hole precipitation too much and the construction quality hidden danger occurring.
The shell of described sleeve 5 is provided with rolling decorative pattern.Rolling decorative pattern can make the convenient rotational sleeve of staff.The upper end of described arc pallet 8 is provided with some spaced apart reinforcement bar standing grooves.Reinforcement bar standing groove can make reinforcing cage better be fixed on arc pallet.
Described base 7 comprises two base plates that are arranged in parallel 71, and the bottom of support column 9 is fixed on base plate 71.One or more in described base plate 71, arc pallet 8 and support column 9 are angle steel.Angle steel can further reduce cost of the present utility model.
The utility model comprises the following steps:
1. process levelling of the land, sclerosis, according to function zoning, reinforcing cage 2 length and traffic, require processing place to carry out smooth; Processing place adopts concrete to harden, and weathering is set;
2. arrange moulding bed, adopt the mode of pre-buried or expansion bolt, the moulding bed 1 with base 7 and arc pallet 8 is fixed on the ground;
3. the processing of reinforcing bar, carries out tack and the processing of roll extrusion external screw thread to the end of reinforcing bar, and the reinforcing bar straightening in advance not straight to end, and the end face of reinforcing bar otch should be vertical with axis, guarantees not have the shape of a hoof or deflection;
4. three sections reinforcing cages are processed continuously in the processing of sections reinforcing cage on moulding bed, and the sections reinforcing cage of adjacent layout is carried out to the check of silk head and joint test, and the reinforcing bar on adjacent sections reinforcing cage connects by sleeve;
5. the processing of pile foundation steel bar cage, the first sections reinforcing cage 3 and second stage reinforcing cage 4 are taken apart at link position place, and using the first segment of the first sections reinforcing cage 3 as reinforcing cage 2, then the second sections reinforcing cage 4 and the 3rd sections reinforcing cage 5 linking together of take is basis, process next sections reinforcing cage, the rest may be inferred, completes the processing of sections reinforcing cage according to above step;
6. the depositing, transport of sections reinforcing cage, leaves the above-mentioned sections reinforcing cage processing on smooth, dry place in order, and the reinforcing bar facing mutually on sections reinforcing cage is painted mark so that field joint hangs up sign board simultaneously on each sections reinforcing cage; After reinforcing cage jointing splits, reinforcing steel bars exposed screw thread must adopt protective sleeve protection, prevents screw thread damage;
7. the transferring and docking of sections reinforcing cage, sections reinforcing cage adopts special hanger lift transhipment, prevents from being out of shape; Sections reinforcing cage when mounted, adopts gantry crane, crawler crane or other loop wheel machine merogenesis to transfer, and adopts mechanical connection spreading sections reinforcing cage; Sections reinforcing cage is located its top after transferring and putting in place, reinforcing cage skew, floating while preventing pour concrete.
The utility model is prefabricated continuously in precasting yard batch production, its short construction period, and quality controllability is strong; Adopt segmented prefabricatedly, utilize last sections for fixed form, continuously, banjo fixing butt jointing precision is high in joint docking; Reinforcing bar adopts sleeve to connect, and it is more convenient to process, and operates simpler.
The utility model is simple in structure, and cost is lower, quick and easy for installation, and structural stability is higher, and not only short construction period, quality controllability are strong, and the banjo fixing butt jointing of reinforcing cage is continuous, and banjo fixing butt jointing precision is high.
The utility model has following points for attention when making:
1. the shape of arc pallet 2 must arrange according to reinforcing cage size, reinforcing cage main reinforce position.
2. according to length of reinforcing cage, on-the-spot installation period, construction period, one to two reinforcing cage moulding bed is rationally set.
3. indeformable for guaranteeing in the prefabricated process of reinforcing cage, moulding bed arranges according to being no more than 2m spacing.
When 4. reinforcing bar moulding bed is installed fixedly, use transit control axis, level gauge elevation control, guarantees that the axis of steel bar positioning frame is on the same line.
Reinforcing bar described in the utility model in the points for attention that add man-hour is:
1. the reinforcing bar in advance straightening not straight to end, by rules requirement, the end face of otch should be vertical with axis, must not have the shape of a hoof or deflection.
2. a silk processing length is length silk, and one be 1/2 of standard type length sleeve, and other end is standard type length sleeve, its tolerance is+2P(P is pitch).
3. the silk head of passed examination should be protected, and in its termination, add band protective cap or tighten with sleeve, and neat by specification classify and pile up.
Reinforcing cage processing points for attention described in the utility model:
1. after main muscle installation, carry out again the coiling of spiral bar, in the scope of each sections reinforcing cage joint section each 2.0m of two ends, wouldn't arrange spiral bar, after treating that on-the-spot reinforcing cage joint docking is checked and accepted, then carry out colligation.
2. for preventing that reinforcing cage from hanging in peace and transportation, be out of shape, except the hoop of putting more energy into by the φ 32 of designing requirement arrangement, can also in per pass is put more energy into hoop, weld triangular form brace rod.
3. reinforcing cage prefabricated with groove after, carry out the installation of sound detecting pipe.The merogenesis length of sound detecting pipe is consistent with the merogenesis situation of reinforcing cage.Between sound detecting pipe and reinforcing cage, every 2m left and right, with " U " type card, be fixed.Stopper plug sealing for detector tube upper port, lower end bulkhead welded seal, forbids cement paste or foreign material to enter in pipe, guarantee filling concrete after pipeline unimpeded.
Other unaccounted part all belongs to prior art.
Claims (5)
1. pile foundation steel bar cage structure, comprise moulding bed (1) and set up the reinforcing cage (2) on moulding bed (1), described reinforcing cage (2) comprises the first sections reinforcing cage (3) and the second sections reinforcing cage (4) of adjacent layout, the first sections reinforcing cage (3) comprises some the first longitudinal reinforcements (31) that are round, the second sections reinforcing cage (4) comprises some the second longitudinal reinforcements (23) that are round, it is characterized in that: described reinforcing cage (2) also comprises that inside establishes female sleeve (6), the two ends of the two ends of described the first longitudinal reinforcement (31) and the second longitudinal reinforcement (41) are equipped with external screw thread, the two ends of described sleeve (6) are threaded with the first longitudinal reinforcement (31) and the second longitudinal reinforcement (42) respectively, described moulding bed (1) comprises base (7) and a plurality of arc pallet mating with the outer wall of reinforcing cage (8), the bottom, two ends of each arc pallet (8) is connected with support column (9), and the bottom of support column (9) is fixed on base (7).
2. pile foundation steel bar cage structure according to claim 1, is characterized in that: the shell of described sleeve (5) is provided with rolling decorative pattern.
3. pile foundation steel bar cage structure according to claim 1, is characterized in that: the upper end of described arc pallet (8) is provided with some spaced apart reinforcement bar standing grooves.
4. pile foundation steel bar cage structure according to claim 1, is characterized in that: described base (7) comprises two base plates that are arranged in parallel (71), and the bottom of support column (9) is fixed on base plate (71).
5. according to the pile foundation steel bar cage structure described in any one claim in claim 1 to 4, it is characterized in that: one or more for angle steel in described base plate (71), arc pallet (8) and support column (9).
Priority Applications (1)
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CN201320528060.1U CN203475413U (en) | 2013-08-28 | 2013-08-28 | Pile foundation steel reinforcement cage structure |
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CN201320528060.1U CN203475413U (en) | 2013-08-28 | 2013-08-28 | Pile foundation steel reinforcement cage structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103437344A (en) * | 2013-08-28 | 2013-12-11 | 中交二公局第一工程有限公司 | Pile foundation reinforcing cage structure and construction technology thereof |
CN111496145A (en) * | 2020-04-30 | 2020-08-07 | 河北建设勘察研究院有限公司 | Movable tool for manufacturing large-diameter overlong reinforcement cage and using method thereof |
-
2013
- 2013-08-28 CN CN201320528060.1U patent/CN203475413U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103437344A (en) * | 2013-08-28 | 2013-12-11 | 中交二公局第一工程有限公司 | Pile foundation reinforcing cage structure and construction technology thereof |
CN111496145A (en) * | 2020-04-30 | 2020-08-07 | 河北建设勘察研究院有限公司 | Movable tool for manufacturing large-diameter overlong reinforcement cage and using method thereof |
CN111496145B (en) * | 2020-04-30 | 2022-04-08 | 中冀建勘集团有限公司 | Movable tool for manufacturing large-diameter overlong reinforcement cage and using method thereof |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20140312 Termination date: 20210828 |