CN115341471A - Construction method of pre-embedded steel bar method support system - Google Patents
Construction method of pre-embedded steel bar method support system Download PDFInfo
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- CN115341471A CN115341471A CN202210933967.XA CN202210933967A CN115341471A CN 115341471 A CN115341471 A CN 115341471A CN 202210933967 A CN202210933967 A CN 202210933967A CN 115341471 A CN115341471 A CN 115341471A
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- embedded steel
- steel bar
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- rod
- supporting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a construction method of a pre-buried steel bar method support system, which comprises the following steps: and a step of mounting a support frame with a construction maintenance space in the middle on the transverse I-beam of the suspended part at the side edge of the cover beam template to form a pre-embedded steel bar method support system. Because the support frame supports the suspended part of the side edge of the bent cap template and forms a construction maintenance space channel, the problem that the construction maintenance space cannot be formed when the existing safety protection device is arranged is solved, and construction maintenance of the suspended part of the side edge of the bent cap template is facilitated through the construction maintenance space channel.
Description
Technical Field
The invention relates to a construction method of a pre-embedded steel bar method support system, and belongs to the technical field of building construction.
Background
When concrete is poured in the overhead operation in the construction method of the bent cap embedded steel bar method support system on the bridge pier, in order to enable the construction method of the bent cap embedded steel bar method support system to obtain stable support and enable the concrete to be cured and formed, the support system needs to be erected at the bottom of the construction method of the bent cap embedded steel bar method support system for supporting.
In a construction method of a bridge bent cap embedded steel bar method supporting system with the Chinese patent publication No. CN112627055A, a supporting and adjusting device and a bridge bent cap construction method are adopted, and the technology for supporting the side suspended part of the construction method of the bent cap embedded steel bar method supporting system is as follows: although the safety protection device can support the side suspended part of the construction method of the bent cap embedded steel bar method support system, the problem that a construction maintenance space cannot be formed once the safety protection device is arranged exists, during construction, concrete is poured into the construction method of the bent cap embedded steel bar method support system, and in order to enable the construction method of the bent cap embedded steel bar method support system to limit concrete before the concrete is cured, the construction method of the bent cap embedded steel bar method support system needs to be guaranteed not to be damaged, and then construction maintenance needs to be carried out on the side suspended part of the construction method of the bent cap embedded steel bar method support system.
Disclosure of Invention
In order to solve the technical problem, the invention provides a construction method of a support system by a steel bar embedded method.
The invention is realized by the following technical scheme.
The invention provides a construction method of a pre-buried steel bar method support system, which comprises the following steps: and a step of mounting a support frame with a construction maintenance space in the middle on the transverse I-beam of the suspended part at the side edge of the cover beam template to form a pre-embedded steel bar method support system.
The pre-buried steel bar method support system comprises:
two pre-embedded steel bars which are respectively pre-embedded and fixed on two bridge piers,
the dispersion support plate is used for connecting the two embedded steel bars;
and the supporting component is arranged on the embedded steel bar to support the cover beam template.
The dispersion backup pad is a plurality of that interval distribution both ends all are connected the installation with pre-buried rod iron, and the dispersion backup pad of a plurality of interval distributions is connected with two pre-buried rod irons and is formed channel-section steel supporting platform.
The support assembly includes: install the sand section of thick bamboo on pre-buried rod iron, the sand section of thick bamboo is a plurality of on pre-buried rod iron at the interval, and two sand sections of same cross section are arranged in two pre-buried rod iron tops with arranging.
The support assembly further comprises: the bottom of the longitudinal steel I-beam is corresponding to the tops of two sand cylinders in the same row on the two embedded steel bars, and the longitudinal steel I-beams are distributed on the two sand cylinders in different cross-section rows at intervals; a plurality of longitudinal I-shaped steel beams are connected into a whole through the opposite-penetrating screw rods.
The support assembly further comprises: the transverse I-beams are distributed on the longitudinal I-beam, and the transverse I-beams are spaced on the longitudinal I-beam.
The support assembly further comprises: the middle bottom of the bent cap template is arranged on a plurality of transverse I-beams positioned in the middle of the longitudinal I-beam, the bottom of the bent cap template is provided with a support frame, the bottom of the support frame is arranged with the transverse I-beams, and the support frame with a construction maintenance space in the middle is in contact with the suspended part of the side edge of the bent cap template for supporting.
The support frame includes: a bottom plate mounted with the transverse I-beam;
the inclined plate is in contact with the suspended part on the side edge of the bent cap template, and an inclined included angle space is formed between the inclined plate and the bottom plate;
the two ends of the inner support rod and the outer support rod are correspondingly connected with the inclined plate and the bottom plate, and the inner support rod and the outer support rod are spaced, so that a construction and maintenance space channel is formed among the inner support rod, the inclined plate and the bottom plate, and a construction and maintenance space channel is also formed among the inner support rod, the outer support rod, the inclined plate and the bottom plate.
The outer support bar includes: the top of the upper section of the outer supporting rod is hinged with the inclined plate, and the bottom of the lower section of the outer supporting rod is hinged with the bottom plate; the inclined plate is hinged with the bottom plate; the inner supporting rod is a telescopic body which can be stretched, the non-telescopic part of the inner supporting rod is hinged with a telescopic driving piece, and the other end of the driving piece is rotatably hinged at the hinged position of the upper section of the outer supporting rod and the middle part of the lower section of the outer supporting rod.
The invention has the beneficial effects that: because the support frame supports bent cap template side unsettled part and forms out construction maintenance space passageway, solved current safety device and accomplished the problem that can not form construction maintenance space setting up, be convenient for construct the maintenance through construction maintenance space passageway to bent cap template side unsettled part.
Drawings
FIG. 1 is a schematic view of the installation of a transverse section of a pre-embedded steel bar method support system of the invention;
in the figure: 1-bridge pier; 2, pre-embedding a steel bar; 3-a sand cylinder; 4-longitudinal i-beam; 5-opposite-penetrating screw; 6-transverse I-beam; 7-a capping beam template; 8-a support frame; 81-a bottom plate; 82-a sloping plate; 821-upper section of outer support rod; 822-lower section of outer strut; 83-inner support bar; 84-outer support rods; 85-a driving member; 9-dispersing the support plates.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1.
The application discloses a pre-buried rod iron method support system includes:
the embedded steel bars 2 fixed on the bridge piers 1 are embedded in advance, the embedded steel bars 2 at least correspond to two bridge piers 1 respectively, and the embedded steel bars 2 integrally provide stress support.
Install sand cylinder 3 on pre-buried rod iron 2, sand cylinder 3 is a plurality of at the interval on pre-buried rod iron 2, and what show in figure 1 is because the cross section so can only show one sand cylinder 3 at a pre-buried rod iron 2, and sand and gravel are filled to sand cylinder 3 inside.
The sand cylinder comprises longitudinal I-shaped steel beams 4 arranged on sand cylinders 3, the bottoms of the longitudinal I-shaped steel beams 4 correspond to the tops of two sand cylinders 3 in the same row on two embedded steel bars 2, the longitudinal I-shaped steel beams 4 are distributed on the two sand cylinders 3 in different transverse rows at intervals, and one longitudinal I-shaped steel beam 4 can be seen from the tops of the two sand cylinders 3 in the same row due to the fact that the longitudinal I-shaped steel beams 4 are indicated in the figure 1.
The longitudinal I-shaped steel beams 4 are connected to form an integral through screw rod 5, the through screw rods 5 are distributed at intervals and penetrate through the longitudinal I-shaped steel beams 4, the through screw rod 5 is combined with nuts, gaskets and the like to be screwed and tightened to form an integral, and the through screw rod 5 is only shown to be a plurality of spaced sections in figure 1 because the cross section is schematic.
The transverse I-beams 6 are distributed on the plurality of longitudinal I-beam 4, and the plurality of transverse I-beams 6 are arranged on the longitudinal I-beam 4 at intervals.
The middle bottom of the cover beam template 7 is arranged on a plurality of transverse I-shaped beams 6 positioned in the middle of the longitudinal I-shaped steel beam 4, the suspended parts of the side edges of the cover beam template 7 are supported by a support frame 8 with a construction maintenance space in the middle, and the bottom surfaces of the support frames 8 are arranged with the transverse I-shaped beams 6.
The support frame 8 includes: a base plate 81 mounted with the cross i-beam 6;
the inclined plate 82 is in contact with the suspended part on the side edge of the bent cap template 7, and the inclined plate 82 and the bottom plate 81 form an inclined included angle space;
the two ends of the inner support rod 83 and the outer support rod 84 are correspondingly connected with the inclined plate 82 and the bottom plate 81, and the inner support rod 83 and the outer support rod 84 are spaced, so that a construction and maintenance space channel is formed among the inner support rod 83, the inclined plate 82 and the bottom plate 81, and a construction and maintenance space channel is also formed among the inner support rod 83, the outer support rod 84, the inclined plate 82 and the bottom plate 81. The problem of current safety device can not form construction maintenance space setting up the completion, be convenient for construct the maintenance to bent cap pre-buried rod iron method support system construction method side unsettled part through construction maintenance space passageway is solved.
The outer support bar 84 includes: the middle part of the outer support rod is hinged with an upper section 821 of the outer support rod and a lower section 822 of the outer support rod through a hinge shaft, the top of the upper section 821 of the outer support rod is hinged with the inclined plate 82 through the hinge shaft, and the bottom of the lower section 822 of the outer support rod is hinged with the bottom plate 81 through the hinge shaft;
the sloping plate 82 and the bottom plate 81 are rotatably hinged through a hinge shaft; the inner supporting rods 83 can be distributed at intervals, the inner supporting rods 83 are telescopic bodies formed by telescopic hydraulic rods or telescopic air pressure rods, the non-telescopic parts of the inner supporting rods 83 are rotatably hinged with telescopic driving pieces 85 through hinged shafts, the driving pieces 85 are telescopic bodies formed by telescopic hydraulic rods or telescopic air pressure rods, the other ends of the driving pieces 85 are rotatably hinged at the hinged positions of the upper sections 821 of the outer supporting rods and the middle parts of the lower sections 822 of the outer supporting rods through hinged shafts, the driving pieces 85 drive the upper sections 821 of the outer supporting rods and the lower sections 822 of the outer supporting rods to rotate relatively, meanwhile, the inner supporting rods 83 are correspondingly stretched to achieve contact adjustment of the supporting frames 8 on the suspended parts of the sides of the capping beam templates 7, the slight inclination generated when pouring concrete into the suspended parts of the sides of the capping beam templates 7 is adapted, and the construction method 7 of the beam pre-embedded steel rod method supporting system is supplemented during construction.
The dispersion backup pad 9 of connecting two pre-buried rod irons 2, dispersion backup pad 9 is that the interval distribution both ends all are connected a plurality of installation with pre-buried rod iron 2, the dispersion backup pad 9 of a plurality of interval distributions is connected with two pre-buried rod irons 2 and forms channel-section steel supporting platform, can construct maintenance and overhaul the bottom through channel-section steel supporting platform, when single pre-buried rod iron 2 receives the local excessive force that upper portion was applyed alone, on dispersion backup pad 9 disperses another pre-buried rod iron 2, realize that local excessive atress carries out the dispersion support, the solution has single pier that pierces through the core rod iron alone and correspond to run through fixed can not carry out the problem that the dispersion was supported to local excessive atress.
The sand cylinder 3, the longitudinal I-shaped steel beam 4, the penetrating screw 5, the transverse I-shaped beam 6, the cover beam template 7 and the support frame 8 form a support assembly for supporting the cover beam template 7 on the embedded steel bar 2.
A construction method of the embedded steel bar method support system comprises the following steps:
the method comprises the following steps: two embedded steel bars 2 are correspondingly embedded and constructed on the corresponding bridge piers 1;
step two: two ends of a longitudinal I-shaped steel beam 4 are arranged on two embedded steel bars 2 through a sand cylinder 3;
step three: a transverse I-beam 6 is laid and installed on the longitudinal I-beam 4, and a bent cap template 7 is installed on the transverse I-beam 6 in the middle of the longitudinal I-beam 4;
step four: a support frame 8 with a construction maintenance space in the middle is arranged on a transverse I-shaped beam 6 of the suspended part of the side edge of the bent cap template 7, the support frame 8 supports the suspended part of the side edge of the bent cap template 7 and forms a construction maintenance space channel, the problem that the construction maintenance space cannot be formed when the existing safety protection device is arranged is solved, and construction maintenance of the suspended part of the side edge of the construction method of the bent cap embedded steel bar method support system is facilitated through the construction maintenance space channel.
The technology is derived from the third-stage construction project of the first-stage project in the core area of the Chongqing along the mountain freight transportation channel (new-figure road).
Claims (8)
1. A construction method of a pre-buried steel bar method supporting system is characterized by comprising the following steps: and a step of mounting a support frame (8) with a construction maintenance space in the middle on the transverse I-beam (6) of the suspended part of the side edge of the bent cap template (7) to form a support system by a pre-embedded steel bar method.
2. The construction method of the embedded steel bar method supporting system according to claim 1, wherein the embedded steel bar method supporting system comprises:
is composed of two pre-embedded steel bars (2) which are pre-embedded and fixed on two bridge piers (1) respectively,
the dispersion supporting plate (9), the dispersion supporting plate (9) connects the two embedded steel bars (2);
and the supporting component is arranged on the embedded steel bar (2) to support the bent cap template (7).
3. The construction method of the embedded steel bar method support system according to claim 2, wherein the support assembly comprises: install sand section of thick bamboo (3) on pre-buried rod iron (2), sand section of thick bamboo (3) are a plurality of on pre-buried rod iron (2) for the interval, and two sand sections (3) of same cross section are located two pre-buried rod iron (2) tops with arranging.
4. The construction method of the embedded steel bar method support system according to claim 3, wherein the support assembly further comprises: the sand cylinder structure is characterized in that the sand cylinder structure comprises longitudinal I-shaped steel beams (4) arranged on the sand cylinders (3), the bottoms of the longitudinal I-shaped steel beams (4) correspond to the tops of two sand cylinders (3) in the same row on two embedded steel bars (2), and the longitudinal I-shaped steel beams (4) are distributed on the two sand cylinders (3) in different transverse rows at intervals; a plurality of longitudinal I-shaped steel beams (4) are connected into a whole through opposite-penetrating screw rods (5).
5. The construction method of the embedded steel bar method support system according to claim 4, wherein the support assembly further comprises: the transverse I-beams (6) are distributed on the longitudinal I-beam (4), and the transverse I-beams (6) are spaced on the longitudinal I-beam (4).
6. The construction method of the embedded steel bar method support system according to claim 5, wherein the support assembly further comprises: the middle bottom of the supporting frame is provided with a cover beam template (7) arranged on a plurality of transverse I-beams (6) positioned in the middle of the longitudinal I-beam (4), and a supporting frame (8) arranged on the bottom surface of the supporting frame and the transverse I-beams (6), and the supporting frame (8) with a construction maintenance space in the middle is in contact support with the suspended part on the side edge of the cover beam template (7).
7. The construction method of the embedded steel bar method support system according to claim 6, wherein the support frame (8) comprises: a bottom plate (81) mounted with the transverse I-beam (6);
the inclined plate (82) is in contact with the suspended part of the side edge of the bent cap template (7), and the inclined plate (82) and the bottom plate (81) form an inclined included angle space;
the two ends of the inner supporting rod (83) and the outer supporting rod (84) are correspondingly connected with the inclined plate (82) and the bottom plate (81), and the inner supporting rod (83) and the outer supporting rod (84) have intervals.
8. The construction method of the embedded steel bar method supporting system according to claim 7, wherein the outer supporting rod (84) comprises: the middle part of the outer support rod is hinged with an upper section (821) of the outer support rod and a lower section (822) of the outer support rod, the top of the upper section (821) of the outer support rod is hinged with the inclined plate (82), and the bottom of the lower section (822) of the outer support rod is hinged with the bottom plate (81); the inclined plate (82) is hinged with the bottom plate (81); the inner supporting rod (83) is an extensible telescopic body, the non-extensible part of the inner supporting rod (83) is hinged with an extensible driving piece (85), and the other end of the driving piece (85) is rotatably hinged at the hinged position of the middle part of the upper section (821) of the outer supporting rod and the lower section (822) of the outer supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210933967.XA CN115341471A (en) | 2022-08-04 | 2022-08-04 | Construction method of pre-embedded steel bar method support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210933967.XA CN115341471A (en) | 2022-08-04 | 2022-08-04 | Construction method of pre-embedded steel bar method support system |
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| Publication Number | Publication Date |
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| CN115341471A true CN115341471A (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210933967.XA Pending CN115341471A (en) | 2022-08-04 | 2022-08-04 | Construction method of pre-embedded steel bar method support system |
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| Country | Link |
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| CN (1) | CN115341471A (en) |
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- 2022-08-04 CN CN202210933967.XA patent/CN115341471A/en active Pending
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