CN210507094U - Cable tower lower beam embedded steel bar supporting system - Google Patents
Cable tower lower beam embedded steel bar supporting system Download PDFInfo
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- CN210507094U CN210507094U CN201920995574.5U CN201920995574U CN210507094U CN 210507094 U CN210507094 U CN 210507094U CN 201920995574 U CN201920995574 U CN 201920995574U CN 210507094 U CN210507094 U CN 210507094U
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Abstract
The utility model provides a pre-buried rod iron braced system of cable tower bottom end rail, include: the concrete shear wall comprises two oppositely arranged concrete shear walls, wherein a pre-buried steel bar penetrates through each concrete shear wall, the end part of each pre-buried steel bar between the two concrete shear walls is exposed out of the side wall of each concrete shear wall, a primary bearing beam is arranged on the upper side of each pre-buried steel bar, and a secondary distribution beam is arranged on the upper side of each primary bearing beam. Through set up buried sleeve in the concrete shear wall, set up the sleeve pipe reinforcing bar at buried sleeve lateral wall, and wear to establish buried excellent steel in advance at buried sleeve pipe, set up one-level spandrel girder and second grade distribution roof beam on buried excellent steel in advance, not through very high efficiency of construction, and through buried sleeve pipe, the setting mode of sleeve pipe reinforcing bar and buried excellent steel in advance, the structural stability of one-level spandrel girder and second grade distribution roof beam has been improved, thereby atress safety and stability when can also improve bottom end rail concrete construction operation effectively.
Description
Technical Field
The utility model relates to a cable tower bottom end rail construction technical field particularly, relates to a pre-buried rod iron braced system of cable tower bottom end rail.
Background
At present, with the continuous innovation of the current construction field technology, many bridges are designed into cable-tower cable-stayed bridge structures, in the construction of cable-stayed bridge cable towers and lower beams, because a tower base box body below the lower beam is close to a tower limb, a bowl-buckle scaffold mode is independently adopted for construction of a main tower lower beam supporting system in the traditional construction technology, a large number of embedded parts need to be arranged on a shear wall or on the inner side inclined plane part of the tower limb, the construction difficulty is large, the inclined plane upper support is erected and dismantled, the stability is poor, a large number of human resources need to be consumed, the construction period is easy to delay, the construction is unsafe, the erected height is high, a large number of surrounding materials are needed, and the three-dimensional cross multi-station construction is. And the traditional south pool support technology is limited by the erection condition, the support body is stressed unevenly, and a lot of uncontrollable hidden dangers are generated to the pouring quality of the large-volume concrete of the lower cross beam.
Disclosure of Invention
In view of this, the utility model provides a pre-buried rod iron braced system of cable tower bottom end rail aims at solving the problem of atress safety and stability when improving bottom end rail concrete construction operation.
In one aspect, the utility model provides a pre-buried rod iron braced system of cable tower bottom end rail, include: the concrete shear wall comprises two oppositely arranged concrete shear walls, wherein a pre-buried steel bar penetrates through each concrete shear wall, the end part of each pre-buried steel bar between the two concrete shear walls is exposed out of the side wall of each concrete shear wall, a primary bearing beam is arranged on the upper side of each pre-buried steel bar, and a secondary distribution beam is arranged on the upper side of each primary bearing beam.
Furthermore, the embedded steel bars are arranged side by side in the horizontal direction and are arranged in the direction perpendicular to the arrangement direction of the concrete shear wall.
Furthermore, an embedded sleeve is arranged in the concrete shear wall, the direction of the embedded sleeve is the same as that of the embedded steel bar, and the embedded steel bar penetrates through the embedded sleeve.
Furthermore, sleeve reinforcing steel bars are arranged on the outer side wall of the embedded sleeve.
Further, the sleeve reinforcing steel bar is arranged along the direction perpendicular to the embedded sleeve.
Further, the embedded sleeve is connected with the reinforcing mesh.
Furthermore, the first-stage bearing beam and the embedded steel bar are arranged along the horizontal direction and are vertically intersected.
Furthermore, the secondary distribution beam and the primary bearing beam are arranged along the horizontal direction and are vertically intersected.
Furthermore, a bottom die distribution beam is arranged on the upper side of the secondary distribution beam.
Furthermore, the bottom die distribution beam and the secondary distribution beam are arranged along the horizontal direction and are vertically intersected.
Compared with the prior art, the beneficial effects of the utility model reside in that, through set up buried sleeve in the concrete shear wall, set up the sleeve pipe reinforcing bar at buried sleeve lateral wall, and wear to establish buried bar in advance at buried sleeve, set up one-level spandrel girder and second grade distribution roof beam on buried bar in advance, not through very high efficiency of construction, and through buried sleeve, the set up mode of sleeve pipe reinforcing bar and buried bar in advance, the structural stability of one-level spandrel girder and second grade distribution roof beam has been improved, thereby atress safety and stability when can also improve bottom end rail concrete construction operation effectively.
Further, the utility model provides a pre-buried rod iron braced system of cable tower bottom end rail can solve simultaneously pre-buried steel sheet and add the pre-buried reinforcing bar and add the loaded down with trivial details work that the steel corbel supported, solved the inclined plane and supported a large amount of built-in fittings installation, demolishs, solves the inclined plane construction degree of difficulty simultaneously, the utility model provides a shear force wall pre-buried rod iron corbel supports after concrete placement accomplishes, only need demolish girder steel and rod iron corbel support can, and girder steel rod reuse. If the steel bar bracket is used permanently, the embedded steel pipe and the steel bar can be welded and fixed.
Furthermore, in order to facilitate construction and reduce cost of the embedded steel bar support of the force wall provided by the embodiment, the material provided by the embodiment is a common steel pipe, and the embedded steel pipe, the steel bar, the main bar and the template are fixed into a whole in advance, so that labor and material cost for increasing the reinforcing steel bar are fully saved, and the concrete pouring time can be shortened in the construction progress. Bringing certain economic and social benefits for enterprises. The system has the advantages of high turnover utilization rate and single-person operation by single weight. And reworking is reduced, and the working efficiency is greatly improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a front view of a cable tower lower beam embedded steel bar supporting system provided by the embodiment of the present invention;
fig. 2 is a top view of a cable tower lower beam embedded steel bar supporting system provided by the embodiment of the present invention;
fig. 3 is a sectional view taken along a-a in fig. 2.
In the drawings, the names of the parts corresponding to the reference numerals are as follows: the method comprises the following steps of 1-concrete shear wall, 2-embedded sleeve, 3-sleeve reinforcing steel bar, 4-embedded steel bar, 5-primary bearing beam, 6-secondary distribution beam and 7-bottom die distribution beam.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, the embodiment provides a cable tower lower beam embedded steel bar supporting system, which includes: the concrete shear wall comprises two oppositely arranged concrete shear walls 1, wherein a pre-embedded steel bar 4 penetrates through each concrete shear wall 1, the end part, between the two concrete shear walls 1, of each pre-embedded steel bar 4 is exposed out of the side wall of each concrete shear wall 1, a primary bearing beam 5 is arranged on the upper side of each pre-embedded steel bar 4, and a secondary distribution beam 6 is arranged on the upper side of each primary bearing beam 5.
Specifically, the embedded steel bars 4 are arranged side by side in the horizontal direction, and the embedded steel bars 4 are arranged in the direction perpendicular to the arrangement direction of the concrete shear wall 1.
Specifically, an embedded sleeve 2 is arranged in the concrete shear wall 1, the embedded sleeve 2 and the embedded steel bar 4 are arranged in the same direction, and the embedded steel bar 4 is arranged in the embedded sleeve 2 in a penetrating mode.
Specifically, the outer side wall of the embedded sleeve 2 is provided with a sleeve reinforcing steel bar 3. The sleeve reinforcing steel bar 3 is arranged along the direction vertical to the embedded sleeve 2.
It can be seen that, through set up buried sleeve 2 in concrete shear force wall 1, set up sleeve pipe reinforcing bar 3 at buried sleeve 2 lateral wall, and wear to establish buried rod iron 4 in buried sleeve 2, set up one-level spandrel girder 5 and second grade distribution roof beam 6 on buried rod iron 4 in advance, not only very high efficiency of construction, and through buried sleeve 2, the setting mode of sleeve pipe reinforcing bar 3 and buried rod iron 4 in advance, the structural stability of one-level spandrel girder 5 and second grade distribution roof beam 6 has been improved, thereby atress safety and stability when can also improve bottom end rail concrete construction operation effectively.
Specifically, sleeve reinforcing steel bars 3 are welded around the embedded sleeve 2, and the embedded sleeve 2 is used with the embedded steel bar 4 in a matched mode. The embedded steel pipe 2 is welded with the sleeve reinforcing steel bars 3 at equal intervals (the sleeve reinforcing steel bars 3 are preferably phi 20 steel bars, the length of the sleeve reinforcing steel bars is 300mm), the whole position is welded around, and the embedded steel pipe 2 and the main steel bars in the shear wall 1 are fixed in a spot welding mode.
Specifically, the pre-buried casing 2 is connected to a mesh reinforcement. The reinforcing mesh is preferably a reinforcing mesh inside the concrete shear wall 1. The reinforcing mesh is arranged to enhance the structural stability of the embedded casing 2.
Specifically, the first-stage bearing beam 5 and the embedded steel bar 4 are arranged along the horizontal direction and are vertically intersected.
Specifically, the secondary distribution beam 6 and the primary load-bearing beam 5 are arranged in the horizontal direction and vertically intersect with each other.
Specifically, a bottom die distribution beam 7 is arranged on the upper side of the secondary distribution beam 6. The bottom die distribution beam 7 and the secondary distribution beam 6 are arranged along the horizontal direction and are vertically intersected.
In specific implementation, the diameter of the embedded sleeve 2 is determined according to the calculated diameter of the embedded steel rod 4, and the diameter of the embedded sleeve just meets the requirement that the embedded steel rod 4 is sleeved in principle.
Specifically, the length of the embedded sleeve 2 is also determined according to the calculated embedded depth, and the cover plate is welded on the inner end section of the embedded sleeve 2, so that the concrete is prevented from flowing into the sleeve during pouring and influencing the normal penetration of the embedded steel bar 4.
Particularly, the outer end (the one end that contacts with the template promptly) of buried sleeve 2 is through mechanical cutting, guarantees the cross-section incision parallel and level, does benefit to it and contacts better with the steel form.
Specifically, the sponge grout stopping strip is enclosed at the end of the cross section of the outer end of the embedded sleeve 2, and then the shaped steel formwork is installed to perform concrete pouring.
Specifically, the embedded steel bars 4 sequentially penetrate into the embedded sleeves 2 after the concrete shear wall 1 is poured and the formwork is removed.
Specifically, the embedded sleeves 2 are uniformly arranged at equal intervals along the transverse position of the concrete shear wall 1 in a horizontal position from one end to the other end of the shear wall according to the calculation result.
Specifically, on the concrete shear walls 1 on two sides, the embedded sleeves 2 are symmetrically arranged.
Specifically, the embedded steel bars 4 are arranged in one-to-one correspondence with the embedded sleeves 2 according to a matching principle.
Specifically, after the embedded steel bar 4 and the embedded sleeve 2 are installed correspondingly, a primary bearing beam 5 is welded and fixed on the embedded steel bar 4 of the unilateral shear wall 1, the primary bearing beam 5 is preferably made of 25# B I-steel and is respectively in spot welding with the embedded steel bar 4 of the unilateral shear wall 1, and the purpose that the primary bearing beam 5 and the embedded steel bar are fixed mutually is achieved. And the first-stage bearing beams 5 are symmetrically fixed on the shear wall 1 on the other side.
Specifically, after the primary bearing beams 5 are fixed, the secondary distribution beams 6 are uniformly arranged between the two primary bearing beams 5 along the longitudinal position of the concrete shear wall 1, and the distance between the secondary distribution beams 6 is determined according to design calculation and is uniformly arranged.
Specifically, the second-level distribution beam 6 is made of 20# channel steel, and two end frames are welded and fixed on the first-level bearing beams 1 on two sides.
Specifically, after the second-stage distribution beam 6 is fixed, the bottom die distribution beam 7 is arranged, and further, the lower beam bottom die is laid and constructed according to design calculation data and a construction scheme.
Above-mentioned embodiment pre-buried rod iron braced system of cable tower bottom end rail can solve pre-buried steel sheet simultaneously and add the pre-buried reinforcing bar and add the loaded down with trivial details work that the steel corbel supported, solved the inclined plane and supported a large amount of built-in fittings installation, demolishs, solve the inclined plane construction degree of difficulty simultaneously, the utility model provides a pre-buried rod iron corbel of shear force wall supports after concrete placement accomplishes, only need demolish girder steel and rod iron corbel support can, and girder steel rod reuse. If the steel bar bracket is used permanently, the embedded steel pipe and the steel bar can be welded and fixed.
Specifically, in order to make the construction of being convenient for, reduce cost that the pre-buried rod iron of the power wall that this embodiment provided supported, the material that this embodiment provided is ordinary steel pipe to in advance with pre-buried steel pipe, reinforcing bar and main muscle and template fixed as an organic whole, this has just fully saved the manual work and the material cost that increase reinforcing bar produced, in the construction progress, also can advance concrete placement time. Bringing certain economic and social benefits for enterprises. The system has the advantages of high turnover utilization rate and single weight and can be operated by one person. And reworking is reduced, and the working efficiency is greatly improved.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a pre-buried rod iron braced system of cable tower bottom end rail which characterized in that includes: the concrete shear wall comprises two oppositely arranged concrete shear walls, wherein a pre-buried steel bar penetrates through each concrete shear wall, the end part of each pre-buried steel bar between the two concrete shear walls is exposed out of the side wall of each concrete shear wall, a primary bearing beam is arranged on the upper side of each pre-buried steel bar, and a secondary distribution beam is arranged on the upper side of each primary bearing beam.
2. The cable tower lower beam embedded steel bar supporting system according to claim 1, wherein a plurality of embedded steel bars are arranged side by side in the horizontal direction, and the embedded steel bars are arranged in the direction perpendicular to the arrangement direction of the concrete shear wall.
3. The embedded steel bar supporting system of the cable tower lower cross beam as claimed in claim 1, wherein an embedded sleeve is arranged in the concrete shear wall, the embedded sleeve and the embedded steel bar are arranged in the same direction, and the embedded steel bar is arranged in the embedded sleeve in a penetrating manner.
4. The cable tower lower beam embedded steel bar supporting system as claimed in claim 3, wherein a sleeve reinforcing steel bar is arranged on the outer side wall of the embedded sleeve.
5. The cable tower lower beam embedded steel bar supporting system according to claim 4, wherein the sleeve reinforcing steel bars are arranged in a direction perpendicular to the embedded sleeves.
6. The cable-tower lower beam embedded steel bar support system according to claim 3, wherein the embedded sleeves are connected with a steel mesh.
7. The cable tower lower beam embedded steel bar supporting system according to claim 1, wherein the first-stage bearing beam and the embedded steel bar are horizontally arranged and vertically intersected.
8. The cable tower lower beam embedded steel bar supporting system according to claim 1, wherein the secondary distribution beam and the primary bearing beam are arranged in the horizontal direction and vertically intersected.
9. The cable tower lower beam embedded steel bar support system according to any one of claims 1 to 8, wherein a bottom die distribution beam is arranged on the upper side of the secondary distribution beam.
10. The cable tower lower beam embedded steel bar supporting system according to claim 9, wherein the bottom die distribution beam and the secondary distribution beam are arranged in a horizontal direction and vertically intersected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995574.5U CN210507094U (en) | 2019-06-28 | 2019-06-28 | Cable tower lower beam embedded steel bar supporting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995574.5U CN210507094U (en) | 2019-06-28 | 2019-06-28 | Cable tower lower beam embedded steel bar supporting system |
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| CN210507094U true CN210507094U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920995574.5U Active CN210507094U (en) | 2019-06-28 | 2019-06-28 | Cable tower lower beam embedded steel bar supporting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482171A (en) * | 2021-07-30 | 2021-10-08 | 中核华辰建筑工程有限公司 | Group pre-buried structure and installation construction method |
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2019
- 2019-06-28 CN CN201920995574.5U patent/CN210507094U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482171A (en) * | 2021-07-30 | 2021-10-08 | 中核华辰建筑工程有限公司 | Group pre-buried structure and installation construction method |
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