CN212505822U - Construction device for offshore low-pier cantilever cast-in-place bent cap - Google Patents
Construction device for offshore low-pier cantilever cast-in-place bent cap Download PDFInfo
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- CN212505822U CN212505822U CN202021161148.0U CN202021161148U CN212505822U CN 212505822 U CN212505822 U CN 212505822U CN 202021161148 U CN202021161148 U CN 202021161148U CN 212505822 U CN212505822 U CN 212505822U
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Abstract
The utility model discloses a construction equipment of cast-in-place bent cap of marine low pier cantilever relates to bent cap construction technical field, and this construction equipment includes: the device comprises a first cross beam, a second cross beam, a hanging rod, a longitudinal beam, a supporting piece and a template; the two first cross beams are longitudinally arranged on the bearing platform in parallel at intervals along the bridge, two ends of each first cross beam extend to the outside of the bearing platform, second cross beams are arranged below two ends of each first cross beam and on two sides of the bearing platform, the second cross beams are connected with the first cross beams through a plurality of hanging rods, and the distance between each second cross beam and the corresponding first cross beam can be adjusted through the hanging rods; the longitudinal beams are arranged in parallel along the transverse direction of the bridge at intervals, and two ends of each longitudinal beam are respectively arranged on the two second cross beams along the longitudinal direction of the bridge; the longitudinal beam is provided with a supporting piece, and the supporting piece is provided with a template for forming the bent cap. The utility model discloses a construction equipment installation and demolish all portably, and construction cost is cheap.
Description
Technical Field
The utility model relates to a bent cap construction technical field, in particular to construction equipment of cast-in-place bent cap of marine low pier cantilever.
Background
The capping beam is also called a cap beam and refers to a beam of reinforced concrete or less concrete provided on the top of the framed pier or pier for supporting, distributing and transferring the load of the superstructure. Its main function is to support the bridge superstructure and transfer all loads to the substructure. Just because of the vital role played by the bent cap in the bridge, the bent cap construction in the bridge is the key part of the bridge construction.
In the existing capping beam construction technology, a construction method of a cast-in-place capping beam comprises the following steps: the full framing method, the hoop method, the pin rod penetrating method, the steel pipe pile method and the like. For cast-in-place bent cap of low pier (pier height is less than or equal to 0.5m) on the sea, due to the particularity of the construction conditions, the construction methods have obvious defects: the full framing has to have a good foundation base, and is not suitable for offshore cantilever cast-in-place bent cap construction; the anchor ear method and the pin penetrating rod method are mainly suitable for the construction of the cantilever cast-in-place bent cap of the high pier and are not suitable for the construction of the cantilever cast-in-place bent cap of the low pier on the sea; the construction period of the steel pipe pile method is long, the problem that the steel pipe pile is difficult to pull out in the later period is faced, and the steel pipe pile is inconvenient to detach and uneconomical.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a construction equipment of cast-in-place bent cap of marine low pier cantilever to construction equipment is not applicable to the construction of the cast-in-place bent cap of marine cantilever in solving correlation technique, or construction equipment installs and dismantles inconvenient and the high technical problem of construction cost.
In a first aspect, a construction device for a cast-in-place capping beam of an offshore low-pier cantilever is provided, which comprises:
the two first cross beams are longitudinally arranged on the bearing platform in parallel at intervals along the bridge, two ends of each first cross beam extend to the outside of the bearing platform, second cross beams are arranged below two ends of each first cross beam and on two sides of the bearing platform, the second cross beams are connected with the first cross beams through a plurality of hanging rods, and the distance between each second cross beam and the corresponding first cross beam can be adjusted through the hanging rods;
the longitudinal beams are arranged in parallel along the transverse direction of the bridge at intervals, and two ends of each longitudinal beam are respectively arranged on the two second cross beams along the longitudinal direction of the bridge; the longitudinal beam is provided with a supporting piece, and the supporting piece is provided with a template for forming the bent cap.
In some embodiments, the suspension rod includes a screw and nuts disposed at two ends of the screw, and two ends of the screw respectively penetrate through the first cross beam and the second cross beam and connect the first cross beam and the second cross beam through the nuts.
In some embodiments, the second beams below two ends of the same first beam are symmetrically arranged on two sides of the bearing platform.
In some embodiments, one end of each second cross beam close to the bearing platform abuts against the bearing platform.
In some embodiments, each of the second beams is provided with one hanger rod at both ends and in the middle, and the hanger rods at both ends have the same distance to the hanger rod in the middle.
In some embodiments, the construction apparatus further comprises:
and the four steel pipe piles are symmetrically arranged on four corners of a bearing platform of the bridge pier, and every two steel pipe piles support one first cross beam.
In some embodiments, the supporting member is a triangular support truss fixed on the longitudinal beam, the formwork includes a bottom formwork and side formworks arranged on two sides of the bottom formwork, the bottom formwork and the side formworks enclose a cavity for casting the cover beam, and the bottom formwork and the side formworks are fixed on the triangular support truss.
The embodiment of the utility model provides a construction equipment of cast-in-place bent cap of marine low pier cantilever, through setting up two first crossbeams, every first crossbeam spanes on the cushion cap, and both ends all extend to the cushion cap outside, and every first crossbeam both ends below just is equipped with the second crossbeam in the cushion cap both sides, and the second crossbeam passes through a plurality of jibs with first crossbeam to be connected, and the distance between second crossbeam and the first crossbeam can be adjusted to the jib. Set up many longerons on the second crossbeam, be equipped with support piece on the longeron, be equipped with the template that is used for the shaping bent cap on the support piece, before concreting in the template, adjust the jib and make the template stop in suitable position, whole construction equipment installation convenient to use is applicable to the construction of marine cantilever cast-in-place bent cap. After the bent cap shaping in the template, adjust the jib and wholly transfer second crossbeam, longeron, support piece and template, the template drops from shaping bent cap below, and the form removal is also simple convenient. The whole construction efficiency is high, and the cost is low.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a construction device for a marine low pier cantilever cast-in-place bent cap provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1 (with the sideforms and the bottom form omitted);
FIG. 3 is a cross-sectional view B-B of FIG. 1 (with the sideforms and the bottom form omitted);
fig. 4 is a top view of the steel pipe pile and the first beam assembled on the bearing platform according to the embodiment of the present invention; (ii) a
Fig. 5 is a flow chart of a construction method of a marine low pier cantilever cast-in-place bent cap provided by the embodiment of the utility model;
in the figure: 1. a first cross member; 2. a second cross member; 3. a boom; 31. a screw; 32. a nut; 4. a stringer; 5. a support member; 6. a template; 61. a bottom template; 62. a sideform; 7. steel pipe piles; 8. a bearing platform; 9. and (4) a boss.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a construction equipment of cast-in-place bent cap of marine low pier cantilever, it can solve construction equipment unsuitable for the construction of the cast-in-place bent cap of marine cantilever among the prior art, or construction equipment installs and dismantles inconvenient and the high technical problem of construction cost.
Referring to fig. 1, a construction apparatus for a cast-in-place bent cap of a cantilever of a low pier on the sea includes: a first cross beam 1, a second cross beam 2, a boom 3, a longitudinal beam 4, a support 5 and a formwork 6.
Two first crossbeams 1 set up on cushion cap 8 along the vertical parallel interval of bridge, and every 1 both ends of first crossbeam extend to the cushion cap 8 outsidely, and every 1 both ends below of first crossbeam just is equipped with second crossbeam 2 in cushion cap 8 both sides, and second crossbeam 2 is connected through a plurality of jibs 3 with first crossbeam 1, and distance between second crossbeam 2 and the first crossbeam 1 can be adjusted to jib 3.
The longitudinal beams 4 are arranged in parallel at intervals along the transverse direction of the bridge, and two ends of each longitudinal beam 4 are respectively arranged on the two second cross beams 2 along the longitudinal direction of the bridge. The longitudinal beam 4 is provided with a support piece 5, and the support piece 5 is provided with a template 6 for forming the bent cap.
Compared with the prior art, the embodiment of the utility model provides a construction equipment of cast-in-place bent cap of marine low pier cantilever, through setting up two first crossbeams 1, every first crossbeam 1 spanes on cushion cap 8, and both ends all extend to cushion cap 8 outsidely, and 1 both ends below of every first crossbeam just are equipped with second crossbeam 2 in cushion cap 8 both sides, and second crossbeam 2 is connected through a plurality of jibs 3 with first crossbeam 1, and jib 3 can adjust the distance between second crossbeam 2 and the first crossbeam 1. Set up many longerons 4 on the second crossbeam 2, be equipped with support piece 5 on the longeron 4, be equipped with the template 6 that is used for the shaping bent cap on the support piece 5, before concreting in template 6, adjust jib 3 and make template 6 stop in suitable position, whole construction equipment installation convenient to use is applicable to the construction of marine cantilever cast-in-place bent cap. After 6 lid roof beams in template shaping, adjust jib 3 and wholly transfer second crossbeam 2, longeron 4, support piece 5 and template 6, template 6 drops from shaping bent cap below, and the form removal is also simple convenient. The whole construction efficiency is high, and the cost is low.
As an alternative embodiment, referring to fig. 1 and 3, the suspension rod 3 includes a screw 31 and nuts 32 disposed at two ends of the screw 31, and two ends of the screw 31 respectively penetrate through the first cross beam 1 and the second cross beam 2 to connect the first cross beam 1 and the second cross beam 2 through the nuts 32. Through the nut 32 at adjusting screw 31 both ends, the interval between first crossbeam 1 of regulation that can be quick and second crossbeam 2 to the position of adjustment template 6, simple structure, convenient to use. Preferably, the screw 31 is finish-rolled deformed steel.
As an alternative embodiment, referring to fig. 1, the second beams 2 below two ends of the same first beam 1 are symmetrically arranged on two sides of the bearing platform 8, so that the two ends of the first beam 1 are stressed in a balanced manner and do not overturn to one side.
As an optional implementation mode, one end of each second cross beam 2 close to the bearing platform 8 abuts against the bearing platform 8, the supporting function of the bearing platform 8 can be effectively utilized, and the first cross beam 1 can be prevented from being subjected to large bending deformation under the stress action.
As an alternative embodiment, referring to fig. 1, each second beam 2 is provided with a suspension rod 3 at both ends and in the middle, and the distances from the suspension rods 3 at both ends to the suspension rods 3 in the middle are equal. Equivalently, same root second crossbeam 2 lifts by crane through three jib 3, and wherein jib 3 distributes along the length direction of second crossbeam 2, and the jib 3 at 2 both ends of second crossbeam is the symmetry setting for jib 3 at 2 middle parts of second crossbeam, makes 2 atress balances of second crossbeam.
As an alternative embodiment, referring to fig. 1, 2 and 4, the construction apparatus further includes four steel pipe piles 7, the four steel pipe piles 7 are symmetrically disposed at four corners of a bearing platform 8 of the pier, and each two steel pipe piles 7 support one first beam 1. The steel pipe pile 7 can adjust and heighten the first cross beam 1 to meet construction requirements. Meanwhile, the first cross beam 1 is supported by every two steel pipe piles 7, so that the stress balance of the first cross beam 1 can be ensured. Specifically, the diameter of the steel pipe pile 7 is larger than the width of the first beam 1, so that the steel pipe pile 7 can sufficiently support the first beam 1.
As an alternative embodiment, the supporting member 5 is a triangular supporting truss fixed on the longitudinal beam 4, the formwork 6 includes a bottom formwork 61 and sideforms 62 arranged on both sides of the bottom formwork 61, the bottom formwork 61 and the sideforms 62 enclose a cavity for casting the cover beam, and the bottom formwork 61 and the sideforms 62 are fixed on the triangular supporting truss. In actual construction, the bearing platform 8 is provided with a boss 9 for supporting the forming cover beam, and a through hole suitable for the boss 9 is arranged in the middle of the bottom template 61.
As an alternative embodiment, each of the first beam 1 and the second beam 2 includes two H-shaped steels arranged side by side. The double-spliced H-shaped steel can ensure that the first beam 1 and the second beam 2 have enough supporting strength, and a through hole mounting suspender 3 is arranged between the two H-shaped steels.
The embodiment of the utility model provides a still provide a construction method of cast-in-place bent cap of marine low pier cantilever, including following step:
step S1, two first beams 1 are arranged on the bearing platform 8 in parallel at intervals along the longitudinal direction of the bridge, two ends of each first beam 1 extend to the outside of the bearing platform 8, second beams 2 are arranged below two ends of each first beam 1 in parallel, and a plurality of suspenders 3 are arranged between the second beams 2 and the first beams 1.
Step S2, a plurality of longitudinal beams 4 are arranged in parallel along the transverse direction of the bridge at intervals, two ends of each second cross beam 2 are respectively arranged on two second cross beams 2 along the longitudinal direction of the bridge, a support 5 is arranged on each longitudinal beam 4, a template 6 is arranged on each support 5, and the distance between each second cross beam 2 and the corresponding second cross beam 2 is adjusted by using the suspension rods 3 so that the template 6 reaches a preset position.
Step S3, concrete is poured on the template 6, and after the concrete is solidified to reach the preset strength and form a capping beam, the second beam 2 is lowered by using the suspender 3 to enable the template 6 to be separated from the capping beam.
Step S4, the formwork 6, the support 5, the longitudinal beam 4, the second cross beam 2, the boom 3, and the first cross beam 1 are removed.
Compared with the prior art, the embodiment of the utility model provides a construction method of cast-in-place bent cap of marine low pier cantilever, through setting up two first crossbeams 1, every first crossbeam 1 spanes on cushion cap 8, and both ends all extend to cushion cap 8 outsidely, and 1 both ends below of every first crossbeam just are equipped with second crossbeam 2 in cushion cap 8 both sides, and second crossbeam 2 is connected through a plurality of jibs 3 with first crossbeam 1, and distance between second crossbeam 2 and the first crossbeam 1 can be adjusted to jib 3. Set up many longerons 4 on the second crossbeam 2, be equipped with support piece 5 on the longeron 4, be equipped with the template 6 that is used for the shaping bent cap on the support piece 5, before concreting in template 6, adjust jib 3 and make template 6 stop in suitable position, whole construction equipment installation convenient to use. After 6 lid roof beams in template shaping, adjust jib 3 and wholly transfer second crossbeam 2, longeron 4, support piece 5 and template 6, template 6 drops from shaping bent cap below, and the form removal is also simple convenient. The whole construction efficiency is high, and the cost is low.
As an optional implementation manner, the hanger rod 3 includes a screw 31 and nuts 32 disposed at two ends of the screw 31, two ends of the screw 31 are respectively inserted into the first beam 1 and the second beam 2, the first beam 1 and the second beam 2 are connected by using the nuts 32, and the distance between the first beam 1 and the second beam 2 is adjusted by rotating the nuts 32 so that the template 6 reaches a preset position, which is simple in structure and convenient to use.
As an optional implementation manner, one end of each second cross beam 2 close to the bearing platform 8 is abutted against the bearing platform 8, so that the supporting function of the bearing platform 8 can be effectively utilized, and the first cross beam 1 can be prevented from being subjected to large bending deformation under the action of stress.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a construction equipment of cast-in-place bent cap of low pier cantilever on sea which characterized in that includes:
the bridge structure comprises two first cross beams (1), wherein the two first cross beams are longitudinally arranged on a bearing platform at intervals in parallel along a bridge, two ends of each first cross beam (1) extend to the outside of the bearing platform, second cross beams (2) are arranged below two ends of each first cross beam (1) and on two sides of the bearing platform, the second cross beams (2) are connected with the first cross beams (1) through a plurality of hanging rods (3), and the distance between the second cross beams (2) and the first cross beams (1) can be adjusted through the hanging rods (3);
the longitudinal beams (4) are arranged in parallel at intervals along the transverse direction of the bridge, and two ends of each longitudinal beam (4) are respectively arranged on the two second cross beams (2) along the longitudinal direction of the bridge; and a support piece (5) is arranged on the longitudinal beam (4), and a template (6) for forming the bent cap is arranged on the support piece (5).
2. The construction equipment of the offshore low pier cantilever cast-in-place bent cap of claim 1, wherein:
the hanger rod (3) comprises a screw rod (31) and nuts (32) arranged at two ends of the screw rod (31), wherein two ends of the screw rod (31) are respectively penetrated through the first cross beam (1) and the second cross beam (2) and are connected with the first cross beam (1) and the second cross beam (2) through the nuts (32).
3. The construction equipment of the offshore low pier cantilever cast-in-place bent cap of claim 1, wherein: the second cross beams (2) below the two ends of the first cross beam (1) are symmetrically arranged on the two sides of the bearing platform.
4. The construction equipment of the offshore low pier cantilever cast-in-place bent cap of claim 1, wherein: one end of each second cross beam (2) close to the bearing platform is abutted against the bearing platform.
5. The construction equipment of the offshore low pier cantilever cast-in-place bent cap of claim 1, wherein:
every second crossbeam (2) all is provided with one at both ends and middle part jib (3), and jib (3) at both ends are to jib (3) distance of middle part equal.
6. The apparatus for constructing an offshore low pier cantilever cast-in-place cap beam according to claim 1, further comprising:
the four steel pipe piles (7) are symmetrically arranged at four corners of a bearing platform of the bridge pier, and every two steel pipe piles (7) support one first cross beam (1).
7. The construction equipment of the offshore low pier cantilever cast-in-place bent cap of claim 1, wherein:
support piece (5) are the triangular support truss, the triangular support truss is fixed on longeron (4), template (6) include die block board (61) and set up side form board (62) in die block board (61) both sides, die block board (61) with side form board (62) enclose into the die cavity of pouring the bent cap, die block board (61) with side form board (62) are fixed on the triangular support truss.
8. The construction equipment of the offshore low pier cantilever cast-in-place bent cap of claim 1, wherein:
every first crossbeam (1) and second crossbeam (2) all include two H shaped steel that set up side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161148.0U CN212505822U (en) | 2020-06-19 | 2020-06-19 | Construction device for offshore low-pier cantilever cast-in-place bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161148.0U CN212505822U (en) | 2020-06-19 | 2020-06-19 | Construction device for offshore low-pier cantilever cast-in-place bent cap |
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| Publication Number | Publication Date |
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| CN212505822U true CN212505822U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021161148.0U Active CN212505822U (en) | 2020-06-19 | 2020-06-19 | Construction device for offshore low-pier cantilever cast-in-place bent cap |
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| CN (1) | CN212505822U (en) |
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