CN217149894U - Bottom die supporting structure for large longitudinal slope cast-in-situ continuous beam - Google Patents
Bottom die supporting structure for large longitudinal slope cast-in-situ continuous beam Download PDFInfo
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- CN217149894U CN217149894U CN202220206353.7U CN202220206353U CN217149894U CN 217149894 U CN217149894 U CN 217149894U CN 202220206353 U CN202220206353 U CN 202220206353U CN 217149894 U CN217149894 U CN 217149894U
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Abstract
The utility model relates to a cast-in-place roof beam construction technical field discloses a be used for cast-in-place continuous beam die block bearing structure in big longitudinal gradient, detain the support including locating the dish on the concrete foundation after the sclerosis, the dish is detained the top on the central line of support and is held in the palm the upper surface and be equipped with vertical I-steel. The utility model provides a support stability that prior art exists low, the potential safety hazard in the construction is high, can't guarantee the parabola type, be difficult to with the die block fixed etc. not enough.
Description
Technical Field
The utility model relates to a cast-in-place roof beam construction technical field specifically is a be used for cast-in-place continuous beam die block bearing structure of big longitudinal gradient.
Background
The cast-in-place continuous beam has the advantages that due to the fact that the parabolic line type of the beam bottom and the longitudinal slope of the bridge are overlapped, the longitudinal slope of the beam bottom is larger than 10%, the cast-in-place continuous beam is constructed by adopting a full-hall support, how to avoid stress concentration is considered in the construction process, the support is prevented from collapsing, and what design is adopted includes the installation angle, the handling measures and the distribution intervals of the back edge, how to arrange the encrypted horizontal inclined rods, the transverse inclined rods and the longitudinal inclined rods so as to enhance the stability of the support, and potential safety hazards in construction are reduced.
The traditional cast-in-place beam full-hall support adopts square timber as a distribution beam and also adopts section steel/I-steel as the distribution beam, the square timber can adjust the parabola type at the bottom of the beam, but the mechanical property is poor, steel has better mechanical property but can not be bent, the parabola type can not be ensured, and the square timber is difficult to fix with a bottom die.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of prior art, the utility model provides a be used for cast-in-place continuous beam die block bearing structure in big longitudinal gradient, the potential safety hazard in the support stability that solves prior art existence is low, the construction is high, can't guarantee the parabola type, be difficult to with the die block fixed etc. not enough.
The utility model provides a technical scheme that above-mentioned problem adopted is:
the utility model provides a be used for cast-in-place continuous beam die block bearing structure in big longitudinal slope, detains the support including locating the dish on the concrete foundation after the sclerosis, the top on detaining the central line of support is held in the palm the upper surface and is equipped with vertical I-steel to the dish.
The coil buckling support is used as a main bearing component of a cast-in-place beam supporting system, various forces in the cast-in-place beam construction process are transmitted to the bottom foundation, and the longitudinal I-shaped steel provides a supporting surface for the small ribs of the template. Thereby strengthened dish and detained support stability, reduced the potential safety hazard in the construction, be convenient for guarantee the parabola type, be convenient for moreover fixed with the die block. The cast-in-place beam has higher safety guarantee, and cast-in-place beam slab staggering is smaller, and the line type is smoother.
As a preferable technical scheme, the bottom of the longitudinal I-shaped steel is connected with a concrete foundation in a welding mode.
The welding connection fixing effect is good, and the operation is convenient.
As a preferable technical scheme, a triangular notch is formed in the bottom of the longitudinal I-shaped steel, and the bottom of the longitudinal I-shaped steel is connected with the concrete foundation through the triangular notch in a welding mode.
The triangular notch further ensures the welding effect.
As a preferable technical scheme, the size and the angle of the triangular notch can be adjusted according to the bottom line type of the large longitudinal slope cast-in-place continuous beam.
This is convenient for be applicable to different slope cast-in-place roof beams.
As a preferable technical scheme, the top of the longitudinal I-shaped steel is provided with a transverse I-shaped steel.
This is convenient for further guarantee template small rib intensity, improves dish and detains support stability.
As a preferable technical scheme, the longitudinal i-beam and the transverse i-beam are connected by welding.
The welding connection fixing effect is good, and the operation is convenient.
As a preferable technical scheme, the transverse H-shaped steel beams are arranged at equal intervals.
This is convenient for the atress is even, has further strengthened the dish and has detained support stability.
As a preferable technical scheme, the bamboo plywood is arranged on the top of the transverse I-shaped steel.
The bamboo plywood is convenient for carry on spacingly to horizontal I-steel.
As a preferred technical scheme, square timbers are arranged at the joint of adjacent bamboo plywood.
This facilitates prevention of slippage of the template under lateral force components under conditions of large longitudinal slopes.
As a preferred technical scheme, the plate buckle support comprises a vertical rod, a cross rod and an inclined rod which are connected with each other.
This structure of being convenient for adjustment dish knot support to be applicable to more extensive construction scene.
Compared with the prior art, the utility model, following beneficial effect has:
(1) the utility model discloses dish detains support is for as the main load component of cast-in-place roof beam braced system, with various power transmission to the bottom basis in the cast-in-place roof beam work progress on, vertical I-steel provides the holding surface for the template rib. Thereby enhancing the stability of the disc buckle bracket, reducing the potential safety hazard in construction, being convenient for ensuring the parabola shape and being convenient for fixing with the bottom die; the safety guarantee is higher, the cast-in-place beam slab staggering platform is smaller, and the line type is smoother;
(2) the utility model has good welding, connecting and fixing effects and convenient operation;
(3) the triangular notch of the utility model further ensures the welding effect;
(4) the utility model is convenient for being applied to cast-in-situ beams with different gradients;
(5) the utility model is convenient for uniform stress, and further enhances the stability of the disc buckle bracket;
(6) the bamboo plywood of the utility model is convenient for limiting the transverse I-shaped steel;
(7) the utility model is convenient to prevent the sliding of the template under the condition of large longitudinal slope caused by the transverse component force;
(8) the utility model discloses be convenient for adjust the structure that the dish detained the support to be applicable to more extensive construction scene.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is one of the enlarged partial views of FIG. 1;
FIG. 3 is a second enlarged view of the portion of FIG. 1;
FIG. 4 is a cross-sectional view taken along plane D-D of FIG. 1;
fig. 5 is a top view of fig. 1.
Reference numbers and corresponding part names in the drawings: 1. the bamboo plywood comprises longitudinal I-shaped steel, 2 transverse I-shaped steel, 3 bamboo plywood, 4 square wood, 11 triangular notches, 51 upright rods, 52 cross rods, 53 inclined rods.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Example 1
As shown in fig. 1 to 5, a bottom die supporting structure for a large longitudinal slope cast-in-place continuous beam comprises a disc buckle support arranged on a hardened concrete foundation, wherein a longitudinal i-steel 1 is arranged on the upper surface of a jacking support on the central line of the disc buckle support.
The coil buckling support is used as a main bearing component of a cast-in-place beam supporting system, various forces in the cast-in-place beam construction process are transmitted to the bottom foundation, and the longitudinal I-shaped steel 1 provides a supporting surface for the small ribs of the template. Thereby strengthened dish and detained support stability, reduced the potential safety hazard in the construction, be convenient for guarantee the parabola type, be convenient for moreover fixed with the die block. The cast-in-place beam has higher safety guarantee, and cast-in-place beam slab staggering is smaller, and the line type is smoother.
As a preferable technical scheme, the bottom of the longitudinal I-shaped steel 1 is connected with a concrete foundation in a welding mode.
The welding connection fixing effect is good, and the operation is convenient.
As a preferable technical scheme, the bottom of the longitudinal I-shaped steel 1 is provided with a triangular notch 11, and the bottom of the longitudinal I-shaped steel 1 is connected with the concrete foundation through the triangular notch 11 in a welding mode.
The triangular cut-out 11 further ensures the welding effect.
As a preferable technical scheme, the size and the angle of the triangular notch 11 can be adjusted according to the bottom line type of the large longitudinal slope cast-in-place continuous beam.
This is convenient for be applicable to different slope cast-in-place roof beams.
As a preferable technical scheme, the top of the longitudinal I-shaped steel 1 is provided with a transverse I-shaped steel 2.
This is convenient for further guarantee template small rib intensity, improves dish and detains support stability.
As a preferred technical scheme, the longitudinal i-beam 1 and the transverse i-beam 2 are welded and connected.
The welding connection fixing effect is good, and the operation is convenient.
As a preferable technical scheme, the transverse h-shaped steel 2 is arranged at equal intervals.
This is convenient for the atress is even, has further strengthened the dish and has detained support stability.
As a preferable technical scheme, the bamboo plywood 3 is arranged on the top of the transverse I-shaped steel 2.
The bamboo plywood 3 is convenient for carry on spacingly to horizontal I-steel 2.
As a preferable technical scheme, square timbers 4 are arranged at the joint of adjacent bamboo plywood 3.
This facilitates prevention of slippage of the template under lateral force components under conditions of large longitudinal slopes.
As a preferred technical scheme, the coiling buckle bracket comprises a vertical rod 51, a cross rod 52 and an inclined rod 53 which are connected with each other.
This structure of being convenient for adjustment dish knot support to be applicable to more extensive construction scene. Preferably, the diagonal rods 53 further include a longitudinal diagonal rod, a transverse diagonal rod, and a horizontal diagonal rod, which are collectively referred to as a vertical diagonal rod.
Example 2
As shown in fig. 1 to fig. 5, as a further optimization of embodiment 1, this embodiment includes all the technical features of embodiment 1, and in addition, this embodiment further includes the following technical features:
the utility model discloses a be used for cast-in-place continuous beam die block bearing structure of big longitudinal gradient. And (3) cutting the longitudinal distribution beam, namely the I-shaped steel, and adjusting the rigid distribution beam line type to adapt to the beam bottom large longitudinal slope and the parabolic line type. The transverse I-shaped steel 2 is used as a template small rib, and has the characteristics of large bearing capacity and good stability. The square timber 4 is used for connecting the bamboo plywood 3 with the formwork support system, so that the formwork does not generate displacement deformation under the conditions of large longitudinal slope and large transverse component force. The utility model discloses a study support die block support system, design out the die block support system that load is big, stability is good, when some beam bottoms of construction are the cast-in-place roof beam of big longitudinal gradient curve line type, can solve the problem that die block support system I-steel and die block can't be installed. Compared with a traditional cast-in-place beam bottom die supporting system, the cast-in-place beam bottom die supporting system has better stability and higher safety guarantee, the cast-in-place beam slab staggering platform is smaller, and the line type is smoother.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model discloses a dish is detained frame pipe, vertical I-steel 1, horizontal I-steel 2, square timber 4, bamboo offset plate 3, frame pipe.
The spiral buckling frame pipe is formed by combining an upright rod 51, a cross rod 52, an inclined rod 53, a jacking and the like, the spiral buckling frame upright rod adopts a 60 multiplied by 3.2mm socket joint type spiral buckle, and the cross rod and the inclined rod adopt a 48 multiplied by 2.5mm spiral buckling frame which is used as a main bearing component of a cast-in-place beam supporting system and transmits various forces to a bottom foundation in the cast-in-place beam construction process.
The longitudinal I-steel 1 is processed from No. 10I-steel and has the function of providing a supporting surface for the small ribs of the template.
The transverse I-steel 2 is 10# I-steel and is used as a small rib of a bottom die of the cast-in-place beam, supports the bottom die and controls the deflection of the bottom die.
The square timber 4 is 10 × 10cm square timber 4, and is used for connecting and fixing the bottom die and the longitudinal distribution beam and providing a connecting point for the bottom die template and the support system.
The bamboo plywood 3 is a 15mm thick bamboo plywood 3 and is used as a bottom formwork when concrete is poured on the cast-in-place beam.
Preferably, the bottom die supporting structure for the large longitudinal slope cast-in-place continuous beam is characterized in that a disc buckle support is erected on the hardened base and is provided with vertical, transverse and vertical inclined rods for improving the stability of the support. And arranging longitudinal I-beams 1 on the top support central line of the disc buckling support, notching the I-beams by the longitudinal I-beams 1 according to the bottom line type of the cast-in-place beam, notching according to a triangular notch (triangular notch 11), welding the I-beams after the notch is cut, and welding and fixing the joints of the I-beams. And transverse I-beams 2 are arranged above the longitudinal I-beam 1 at equal intervals, and the transverse I-beams 2 are connected with the longitudinal I-beam 1 in a spot welding manner. 10cm square timber 4 is transversely arranged on the longitudinal I-shaped steel 1, 1.5cm 1.2m 2.44m bamboo plywood 3 is arranged on the transverse I-shaped steel 2 and the transverse square timber 4, and joints of the bamboo plywood 3 are arranged at the transverse square timber 4 and fixed.
Preferably, the longitudinal distance between the cast-in-place beam plate buckle brackets is 1.2m, the transverse distance below the web plate is 0.6m, the transverse distance below the bottom plate is 1.2m, the encryption at the concrete solid section is 0.6m, and the step pitch is 1.5 m. The coiling buckle support is provided with vertical, horizontal and vertical diagonal rods for improving the stability of the support.
Preferably, the longitudinal I-beam 1 cuts the I-beam according to the bottom line type of the cast-in-place beam, the size and the angle of the cut can be adjusted according to the large longitudinal slope and the parabola shape of the beam bottom, and the cast-in-place beam is suitable for cast-in-place beams with different slopes.
Preferably, the transverse I-beams 2 are arranged at intervals of 30 × 30cm, and the transverse I-beams 2 are connected with the longitudinal I-beams 1 in an electric welding mode. The transverse I-shaped steel 2 is adopted instead of the square timber 4, so that the strength of the small rib of the template is ensured, and the stability of the bracket is improved. The length of the welding spot or the welding seam can be adjusted according to the size of the longitudinal slope, so that the capability of bearing partial horizontal component force of the support system is enhanced
Preferably, 10 × 10cm square timbers 4 are transversely arranged on the longitudinal I-steel 1, the square timbers 4 are arranged at intervals of 1.2m, and 1.2m is the size of the bamboo plywood 3, so that the bamboo plywood 3 cannot form stable connection with the I-steel, the square timbers 4 are arranged at the joints of the bamboo plywood 3, and the sliding of the formwork due to transverse component force under the condition of large longitudinal slope is prevented.
In specific implementation, the following steps can be adopted:
the first step is as follows: and (3) erecting a plate buckle support on the hardened foundation, wherein the longitudinal distance of the cast-in-place beam plate buckle support is 1.2m, the transverse distance below the web plate is 0.6m, the transverse distance below the bottom plate is 1.2m, the encryption at the concrete solid section is 0.6m, and the step pitch is 1.5 m. The coiling buckle support is provided with vertical, horizontal and vertical diagonal rods for improving the stability of the support.
The second step is that: and arranging longitudinal I-beams 1 on the top support central line of the disc buckle support, notching the I-beams by the longitudinal I-beams 1 according to the bottom line type of the cast-in-place beam, notching in a triangular manner, welding the I-beams after the notch is cut, and welding and fixing the joints of the I-beams.
A third part: and transverse H-shaped steels 2 are arranged above the longitudinal H-shaped steel 1 at equal intervals, the transverse H-shaped steels 2 are arranged at intervals of 30cm, and the transverse H-shaped steels 2 are connected with the longitudinal H-shaped steel 1 in a spot welding mode. The transverse I-shaped steel 2 is adopted instead of the square timber 4, so that the strength of the small rib of the template is ensured, and the stability of the bracket is improved.
A fourth step of: 10 x 10cm square timbers 4 are transversely arranged on the longitudinal I-steel 1, the square timbers 4 are arranged at intervals of 1.2m, 1.2m is the size of the bamboo plywood 3, and the bamboo plywood 3 cannot form stable connection on the I-steel, so the square timbers 4 are arranged at the joints of the bamboo plywood 3, and the sliding of the template under the condition of large longitudinal slope due to transverse component force is prevented.
The fifth part: and bamboo plywood 3 with the thickness of 1.5cm x 1.2m x 2.44m is arranged on the transverse I-steel 2 and the transverse square timber 4, and joints of the bamboo plywood 3 are arranged at the transverse square timber 4 and fixed.
The utility model discloses a study support die block support system, design a die block support system that the load is big, stability is good, when some beam bottoms of being under construction are the cast-in-place roof beam of big longitudinal slope curve line type, can solve the problem that die block support system I-steel and die block can't be installed. Compared with a traditional cast-in-place beam bottom die supporting system, the cast-in-place beam bottom die supporting system has better stability and higher safety guarantee, the cast-in-place beam slab staggering platform is smaller, and the line type is smoother.
As described above, the present invention can be preferably realized.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a be used for cast-in-place continuous beam die block bearing structure in big longitudinal slope which characterized in that detains the support including locating the dish on the concrete foundation after the sclerosis, the top on the central line of dish knot support holds in the palm the upper surface and is equipped with vertical I-steel (1), vertical I-steel (1) bottom and concrete foundation welded connection.
2. The bottom die supporting structure for the large longitudinal slope cast-in-place continuous beam is characterized in that a triangular notch (11) is formed in the bottom of the longitudinal I-shaped steel (1), and the bottom of the longitudinal I-shaped steel (1) is connected with a concrete foundation through the triangular notch (11) in a welding mode.
3. The bottom die supporting structure for the large longitudinal slope cast-in-place continuous beam is characterized in that the size and the angle of the triangular notch (11) can be adjusted according to the bottom line type of the large longitudinal slope cast-in-place continuous beam.
4. The bottom die supporting structure for the large longitudinal slope cast-in-place continuous beam is characterized in that the transverse I-shaped steel (2) is arranged at the top of the longitudinal I-shaped steel (1).
5. The bottom die supporting structure for the large longitudinal slope cast-in-place continuous beam is characterized in that the longitudinal I-shaped steel (1) and the transverse I-shaped steel (2) are connected in a welding mode.
6. The bottom die supporting structure for the large longitudinal slope cast-in-place continuous beam is characterized in that the transverse I-shaped steels (2) are arranged at equal intervals.
7. The bottom die supporting structure for the large longitudinal slope cast-in-situ continuous beam is characterized in that a bamboo plywood (3) is arranged at the top of the transverse I-shaped steel (2).
8. The bottom die supporting structure for the large longitudinal slope cast-in-place continuous beam is characterized in that square timbers (4) are distributed at the joint of the adjacent bamboo plywood (3).
9. The bottom die supporting structure for the large longitudinal slope cast-in-place continuous beam is characterized in that the disc buckle bracket comprises a vertical rod (51), a cross rod (52) and an inclined rod (53) which are connected with each other.
Priority Applications (1)
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CN202220206353.7U CN217149894U (en) | 2022-01-25 | 2022-01-25 | Bottom die supporting structure for large longitudinal slope cast-in-situ continuous beam |
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CN202220206353.7U CN217149894U (en) | 2022-01-25 | 2022-01-25 | Bottom die supporting structure for large longitudinal slope cast-in-situ continuous beam |
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CN217149894U true CN217149894U (en) | 2022-08-09 |
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