CN218880610U - Steel-concrete longitudinal combination continuous beam body and bridge deck construction structure for full-hanging basket construction - Google Patents
Steel-concrete longitudinal combination continuous beam body and bridge deck construction structure for full-hanging basket construction Download PDFInfo
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- CN218880610U CN218880610U CN202223378547.4U CN202223378547U CN218880610U CN 218880610 U CN218880610 U CN 218880610U CN 202223378547 U CN202223378547 U CN 202223378547U CN 218880610 U CN218880610 U CN 218880610U
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Abstract
The utility model discloses a steel-concrete longitudinal combination continuous beam girder body and decking construction structures of basket construction hang entirely, including hanging the basket, hang the basket and include the main truss, vice truss, main suspension system, vice suspension system, template system, walk line system and anchoring system, walk the vertical direction removal that line system set up on continuous beam and follow continuous beam, the main truss is installed on walking the line system, the main truss passes through the anchor of the same continuous beam of anchoring system, the main truss is connected with vice truss, main suspension system installs on the main truss, vice suspension system installs on vice truss. The utility model has the advantages that: the traditional hanging basket structure is improved, the auxiliary truss and the auxiliary hanging system are added, and the lifting operation of the steel beam segment and the concrete bridge deck is realized; the hoisting of heavy steel beam sections is avoided, the materials required by the cradle are reduced, and the construction cost is saved; the steel beam and the bridge deck are integrally constructed, so that the cross action of various machines is avoided, and the construction efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the technique of bridge construction and specifically relates to a hang reinforced concrete longitudinal combination continuous beam roof beam body and decking construction structures of basket construction entirely.
Background
With the rapid development of economy in China, the investment on infrastructure construction is more and more. In the common three-span prestressed concrete continuous beam, the longitudinal mixed beam formed by replacing partial concrete beam sections of the midspan with steel beams can effectively reduce the dead weight of the structure, increase the span of the bridge and improve the stress condition of the full bridge at the same time, and is particularly suitable for bridge positions with small side-to-midspan ratio.
When the conventional steel-concrete longitudinal combined continuous beam bridge is constructed, after the No. 0 concrete block is constructed, a concrete section is constructed by hanging and pouring a main beam hanging basket. After the concrete section is constructed, the midspan steel box girder closure section is generally connected with the concrete in a hoisting mode after the midspan steel box girder is hoisted. The method can only be used for the situation that the span of the midspan steel beam section is small, and the hoisting weight cannot be too large. Aiming at the condition that the span of a midspan steel beam section is longer, a steel-concrete longitudinal combination continuous beam body and a bridge deck construction structure constructed by a full hanging basket are needed, and the problem of steel-concrete longitudinal combination continuous beam construction is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel reinforced concrete longitudinal combination continuous beam body and decking construction structures of hanging basket construction entirely according to above-mentioned prior art's is not enough, through setting up main truss, auxiliary truss, main suspension system, vice suspension system, template system, walking line system and anchoring system, not only can be used for reinforced concrete to hang section construction of watering, can also be used to midspan steel box roof beam and close a dragon's section construction.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a reinforced concrete of hanging basket construction is vertically combined continuous beam roof beam body and decking construction structures which characterized in that entirely: the hanging basket comprises a hanging basket body, wherein the hanging basket body comprises a main truss, an auxiliary truss, a main hanging system, an auxiliary hanging system, a template system, a walking system and an anchoring system, the walking system is arranged on a continuous beam and moves along the longitudinal direction of the continuous beam, the main truss is installed on the walking system, the main truss is anchored with the continuous beam through the anchoring system, the main truss is connected with the auxiliary truss, the main hanging system is installed on the main truss, and the auxiliary hanging system is installed on the auxiliary truss.
The auxiliary truss comprises an overhead traveling crane track beam and an inclined strut beam, one end of the overhead traveling crane track beam is connected with the main truss, and the other end of the overhead traveling crane track beam is connected with the main truss through the inclined strut beam; the auxiliary hanging system comprises an overhead traveling crane, an auxiliary hanging rod and a shoulder pole beam, the overhead traveling crane is installed on the overhead traveling crane track beam and moves along the length direction of the overhead traveling crane track beam, and two ends of the auxiliary hanging rod are respectively connected with the overhead traveling crane and the shoulder pole beam.
The walking system comprises a track, a rear roller, a front sliding plate and a jack, wherein the track is arranged on the continuous beam, the rear roller and the front sliding plate are both arranged on the track and are respectively connected with the main truss, one end of the jack is fixed on the track, the other end of the jack is connected with the front sliding plate, and the jack drives the front sliding plate to move on the track so as to drive the rear roller to move on the track.
The template system comprises a bottom die platform, an inner die and an outer die, wherein the inner die and the outer die are supported and fixed through a support.
The main hanging system comprises a front upper cross beam, a bottom die, a front upper cross beam and a sliding beam, wherein the front upper cross beam is installed on the main truss, one end of the front hanging system is connected with the front upper cross beam, the other end of the front hanging system is connected with the bottom die platform, one end of the sliding beam is connected with the front upper cross beam, and the other end of the sliding beam is connected with the sliding beam.
The anchoring system is a rear anchor distribution beam which is anchored with the continuous beam through a rear anchor rod.
The main truss includes the rhombus framework of two relative settings, the rhombus framework is formed just by down preceding down tube, lower chord member, back down tube and four members of last preceding pole end to end in proper order connecting node between the member is node box, back node box, four node boxes of last node box and preceding node box down in proper order, go up the node box with be connected with the montant down between the node box.
The utility model has the advantages that:
1. the traditional hanging basket structure is improved, the auxiliary truss and the auxiliary hanging system are added, and the lifting operation of the steel beam segments and the concrete bridge deck is realized;
2. the hoisting of the steel beam sections with heavy weight is avoided, the materials required by the hanging basket are reduced, and the construction cost is saved;
3. the steel beam and the bridge deck are integrally constructed, so that the cross action of various machines is avoided, and the construction efficiency is improved;
4. the hanging basket is simple in structural design and convenient to disassemble, and materials can be recycled.
Drawings
FIG. 1 is an overall schematic view of a construction structure of a reinforced concrete longitudinal combination continuous beam body and a bridge deck for full cradle construction of the utility model;
FIG. 2 is a schematic longitudinal section view of a construction structure of a reinforced concrete longitudinal combination continuous beam body and a bridge deck for full cradle construction in the construction of a reinforced concrete suspension casting section;
FIG. 3 is a schematic cross-sectional view of the construction structure of the reinforced concrete longitudinal combined continuous beam body and the bridge deck for the full cradle construction of the utility model when constructing the reinforced concrete suspension casting section;
FIG. 4 is a schematic longitudinal section view of the construction structure of the full hanging basket construction of the utility model when spanning the closure section of the steel box girder;
FIG. 5 is a schematic view of a construction structure of a full hanging basket construction, in which a reinforced concrete longitudinal combined continuous beam body and a bridge deck are constructed by using a lifting template of an auxiliary hanging system;
FIG. 6 is a schematic view of the construction method of the construction structure of the reinforced concrete longitudinal combination continuous beam body and the bridge deck for the full cradle construction of the utility model, step S2;
FIG. 7 is a schematic view of the construction method of the construction structure of the reinforced concrete longitudinal combination continuous beam body and the bridge deck for the full cradle construction of the utility model, step S3;
FIG. 8 is a schematic view of the construction method of the construction structure of the reinforced concrete longitudinal combination continuous beam body and the bridge deck for the full cradle construction of the utility model, step S4;
FIG. 9 is a schematic view of the construction method of the construction structure of the steel-concrete longitudinal combined continuous beam body and the bridge deck for the full cradle construction of the utility model in step S5;
FIG. 10 is a schematic view of the construction method of the construction structure of the reinforced concrete longitudinal combined continuous beam body and the bridge deck for the full cradle construction of the utility model at step S6;
FIG. 11 is a schematic view of the construction method of the construction structure of the reinforced concrete longitudinal combination continuous beam body and the bridge deck for the full cradle construction of the utility model at step S8;
FIG. 12 is an enlarged view of A in FIG. 7;
fig. 13 is an enlarged view of B in fig. 8.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1 to 13, reference numerals 1 to 37 in the drawings denote a main truss 1, a sub-truss 2, a main suspension system 3, a sub-suspension system 4, a formwork system 5, a running system 6, an anchoring system 7, a crane rail beam 8, a raker beam 9, a crane 10, a sub-boom 11, a shoulder pole beam 12, a front slide plate 13, a jack 14, a bottom formwork platform 15, a front upper beam 16, a bottom formwork front suspension 17, a slide beam front suspension 18, a slide beam 19, a diamond frame 20, a lower front diagonal 21, a lower chord 22, a rear diagonal 23, an upper front rod 24, a lower node box 25, a rear node box 26, an upper node box 27, a front node box 28, a vertical rod 29, a formwork 30, a steel-concrete joint section 31, a guide connection plate 32, a bracket 33, a steel beam section 34, a prefabricated bridge deck 35, a cable 36, and a rear anchor distribution beam 37, respectively.
Example (b): as shown in fig. 1 to 13, the present embodiment relates to a construction structure of a steel-concrete longitudinal combination continuous beam body and a bridge deck for full basket hanging construction, which mainly comprises a basket, wherein the basket comprises a main truss 1, an auxiliary truss 2, a main hanging system 3, an auxiliary hanging system 4, a template system 5, a traveling system 6 and an anchoring system 7, the traveling system 6 is arranged on the continuous beam and moves along the longitudinal direction of the continuous beam, the main truss 1 is installed on the traveling system 6, the main truss 1 is anchored with the continuous beam through the anchoring system 7, the main truss 1 is connected with the auxiliary truss 2, the main hanging system 3 is installed on the main truss 1, and the auxiliary hanging system 4 is installed on the auxiliary truss 2. When the reinforced concrete cantilever casting section is constructed, the main truss 1, the main suspension system 3, the template system 5, the traveling system 6 and the anchoring system 7 need to be used, namely the auxiliary truss 2 and the auxiliary suspension system 4 are not needed to be configured, and of course, as shown in fig. 5, the auxiliary truss 2 and the auxiliary suspension system 4 can also be configured, and the template 30 is lifted and hung by the auxiliary suspension system 4. When a steel box girder closure section is spanned in construction, a main truss 1, an auxiliary truss 2, a main hanging system 3, an auxiliary hanging system 4, a template system 5, a walking system 6 and an anchoring system 7 are required to be utilized.
As shown in fig. 1-13, the main truss 1 includes two opposite rhombic frames 20, the rhombic frame 20 is formed by sequentially connecting four rods, namely a lower front diagonal 21, a lower chord 22, a rear diagonal 23 and an upper front diagonal 24 end to end, the connecting nodes between the rods are sequentially four node boxes, namely a lower node box 25, a rear node box 26, an upper node box 27 and a front node box 28, and a vertical rod 29 is connected between the upper node box 27 and the lower node box 25.
As shown in fig. 1 to 13, the sub-truss 2 includes a crown rail beam 8 and a raker beam 9, and one end of the crown rail beam 8 is connected to the main truss 1 (lower front diagonal 21) and the other end thereof is connected to the main truss 1 (front node box 28) via the raker beam 9. The auxiliary hanging system 4 comprises a crown block 10, an auxiliary hanging rod 11 and a shoulder pole beam 12, wherein the crown block 10 is installed on the crown block track beam 8 and moves along the length direction of the crown block track beam 8, and two ends of the auxiliary hanging rod 11 are respectively connected with the crown block 10 and the shoulder pole beam 12.
As shown in fig. 1-13, the traveling system 6 comprises a rail, a rear roller, a front sliding plate 13 and a jack 14, the rail is arranged on the continuous beam, the rear roller and the front sliding plate 13 are both arranged on the rail and are respectively connected with the main truss 1 (a rear node box 26 and a lower node box 25), one end of the jack 14 is fixed on the rail, the other end of the jack is connected with the front sliding plate 13, and the jack 14 drives the front sliding plate 13 to move on the rail so as to drive the rear roller to move on the rail.
As shown in fig. 1 to 13, the formwork system 5 includes a bottom formwork platform 15, an inner formwork and an outer formwork, both of which are supported and fixed by a bracket. The main hanging system 3 comprises a front upper cross beam 16, a bottom die front hanger 17 and a sliding beam front hanger 18, wherein the front upper cross beam 16 is installed on the main truss 1, two ends of the front upper cross beam 16 are respectively connected with two diamond-shaped frameworks 20, one end of the bottom die front hanger 17 is connected with the front upper cross beam 16, the other end of the bottom die front hanger is connected with the bottom die platform 15, one end of the sliding beam front hanger 18 is connected with the front upper cross beam 16, the other end of the sliding beam front hanger is connected with a sliding beam 19, the sliding beam 19 comprises an inner sliding beam and an outer sliding beam, the inner sliding beam is used for supporting a support corresponding to the inner die, and the outer sliding beam is used for supporting a support corresponding to the outer die. Furthermore, the anchoring system 7 is a rear anchor distribution beam 37, the rear anchor distribution beam 37 being anchored with the continuous beam by means of rear anchor rods.
As shown in fig. 1 to 13, the present embodiment also has the following construction method:
s1: and (3) constructing the reinforced concrete suspended pouring section of the continuous beam by using the main truss 1, the main hanging system 3, the template system 5, the walking system 6 and the anchoring system 7 of the hanging basket from the No. 0 block until the construction is performed before the reinforced concrete combined section 31. As shown in fig. 5, the sub-truss 2 and the sub-suspension system 4 may be installed on the cradle, and the formwork 30 of the reinforced concrete suspended-cast section may be hoisted by the sub-suspension system 4.
S2: the sub-truss 2 and the sub-suspension system 4 are installed on the cradle, the shoulder pole beam 12 of the sub-suspension system 4 and the steel beam segment 34 as the steel-concrete joint section 31 are anchored, and the steel-concrete joint section 31 is lifted by the sub-suspension system 4.
S3: the steel-concrete combining section 31 is guided and temporarily fixed by a guide fixing structure. The guide fixing structure comprises two guide connecting plates 32 and two cables 36, the two guide connecting plates 32 are correspondingly arranged, the two cables 36 are respectively arranged on two sides of the end part of the reinforced concrete suspended casting section, one side of each guide connecting plate 32 is anchored with the reinforced concrete suspended casting section, a guide hole is formed in the other side of each guide connecting plate, one end of each cable 36 is connected with the reinforced concrete combined section 31, the other end of each cable passes through the guide hole of the guide connecting plate 32, the reinforced concrete combined section 31 is guided by pulling the cables 36, so that the reinforced concrete combined section 31 is in place, and the cables 36 can temporarily fix the reinforced concrete combined section 31.
S4: a bracket 33 is welded to the top end of the side portion of the steel-concrete joint section 31 as a hanging stress point, and the connection between the sub-hanging system 4 and the steel-concrete joint section 31 is released to connect the main hanging system 3 to the bracket 33.
S5: and lifting the prefabricated bridge deck 35 to the top of the reinforced concrete combined section 31 by using the auxiliary hanging system 4, and pouring concrete on the reinforced concrete combined section 31 to complete the construction of the section.
S6: the hanging basket walks towards a previous section, anchors the carrying pole beam 12 of the auxiliary hanging system 4 and the steel beam section 34, and adopts the auxiliary hanging system 4 to lift the steel beam section 34 in place.
S7: the steel beam sections 34 are welded or bolted to each other, thereby connecting the steel beam sections 34 to each other.
S8: after the longitudinal connection of the steel girder segments 34 is completed, the prefabricated bridge deck 35 is hoisted to the top of the steel girder segments 34 by using the secondary hoisting system 4.
S9: after all the prefabricated bridge deck slabs 35 are lifted and positioned, concrete is cast in place, and construction of the section is completed.
S10: and repeating the steps S6 to S9 until the construction of the mid-span steel box girder closure section is completed.
The embodiment also has the following beneficial effects: the traditional hanging basket structure is improved, the auxiliary truss and the auxiliary hanging system are added, and the lifting operation of the steel beam segment and the concrete bridge deck is realized; the hoisting of the steel beam sections with heavy weight is avoided, the materials required by the hanging basket are reduced, and the construction cost is saved; the steel beam and the bridge deck are integrally constructed, so that the cross action of various machines is avoided, and the construction efficiency is improved; hang basket structural design simple, it is convenient to dismantle, can realize the recycle of material.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (7)
1. The utility model provides a reinforced concrete of hanging basket construction is vertically combined continuous beam roof beam body and decking construction structures which characterized in that entirely: the hanging basket comprises a main truss, an auxiliary truss, a main hanging system, an auxiliary hanging system, a template system, a walking system and an anchoring system, wherein the walking system is arranged on a continuous beam and moves along the longitudinal direction of the continuous beam, the main truss is installed on the walking system, the main truss is anchored with the continuous beam through the anchoring system, the main truss is connected with the auxiliary truss, the main hanging system is installed on the main truss, and the auxiliary hanging system is installed on the auxiliary truss.
2. The full cradle construction steel-concrete longitudinal combination continuous beam body and bridge deck construction structure of claim 1, characterized in that: the auxiliary truss comprises an overhead traveling crane track beam and an inclined strut beam, one end of the overhead traveling crane track beam is connected with the main truss, and the other end of the overhead traveling crane track beam is connected with the main truss through the inclined strut beam; the auxiliary hanging system comprises an overhead traveling crane, an auxiliary hanging rod and a carrying pole beam, the overhead traveling crane is installed on the overhead traveling crane track beam and moves along the length direction of the overhead traveling crane track beam, and two ends of the auxiliary hanging rod are respectively connected with the overhead traveling crane and the carrying pole beam.
3. The full cradle construction steel-concrete longitudinal combination continuous beam body and bridge deck construction structure of claim 1, characterized in that: the walking system comprises a track, a rear roller, a front sliding plate and a jack, wherein the track is arranged on the continuous beam, the rear roller and the front sliding plate are both arranged on the track and are respectively connected with the main truss, one end of the jack is fixed on the track, the other end of the jack is connected with the front sliding plate, and the jack drives the front sliding plate to move on the track so as to drive the rear roller to move on the track.
4. The full cradle construction reinforced concrete longitudinal combination continuous beam body and bridge deck construction structure of claim 1, wherein: the template system comprises a bottom die platform, an inner die and an outer die, wherein the inner die and the outer die are supported and fixed through a support.
5. The full cradle construction reinforced concrete longitudinal combination continuous beam body and bridge deck construction structure of claim 4, wherein: the main hanging system comprises a front upper cross beam, a bottom die, a front upper cross beam and a sliding beam, wherein the front upper cross beam is installed on the main truss, one end of the front hanging system is connected with the front upper cross beam, the other end of the front hanging system is connected with the bottom die platform, one end of the sliding beam is connected with the front upper cross beam, and the other end of the sliding beam is connected with the sliding beam.
6. The full cradle construction steel-concrete longitudinal combination continuous beam body and bridge deck construction structure of claim 1, characterized in that: the anchoring system is a rear anchor distribution beam which is anchored with the continuous beam through a rear anchor rod.
7. The full cradle construction steel-concrete longitudinal combination continuous beam body and bridge deck construction structure of claim 1, characterized in that: the main truss includes two relative rhombus frameworks that set up, the rhombus framework is by down preceding down tube, lower chord member, back down tube and four member of last preceding pole end to end in proper order and form just connected node between the member is node box, back node box, four node boxes of last node box and preceding node box down in proper order, go up the node box with be connected with the montant down between the node box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223378547.4U CN218880610U (en) | 2022-12-16 | 2022-12-16 | Steel-concrete longitudinal combination continuous beam body and bridge deck construction structure for full-hanging basket construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223378547.4U CN218880610U (en) | 2022-12-16 | 2022-12-16 | Steel-concrete longitudinal combination continuous beam body and bridge deck construction structure for full-hanging basket construction |
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| CN218880610U true CN218880610U (en) | 2023-04-18 |
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| CN202223378547.4U Active CN218880610U (en) | 2022-12-16 | 2022-12-16 | Steel-concrete longitudinal combination continuous beam body and bridge deck construction structure for full-hanging basket construction |
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| CN (1) | CN218880610U (en) |
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