CN220888321U - Multipurpose concrete arch rib cast-in-place steel arch standard truss sheet structure - Google Patents
Multipurpose concrete arch rib cast-in-place steel arch standard truss sheet structure Download PDFInfo
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- CN220888321U CN220888321U CN202322497223.0U CN202322497223U CN220888321U CN 220888321 U CN220888321 U CN 220888321U CN 202322497223 U CN202322497223 U CN 202322497223U CN 220888321 U CN220888321 U CN 220888321U
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- steel
- standard truss
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- truss
- arch
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Rod-Shaped Construction Members (AREA)
Abstract
The utility model discloses a multipurpose concrete arch rib cast-in-place steel arch standard truss sheet structure, which comprises triangular structural units and connecting rods, wherein the two triangular structural units are fixedly connected through a plurality of connecting rods; the triangular structure unit consists of an upper chord member and inclined web members, wherein two inclined web members are respectively fixed at two ends of the upper chord member, and the lower ends of the two inclined web members are connected to the connecting plate in a crossing way. The utility model has the technical effects and advantages that: 1. when being used in the steel arch, the steel truss can greatly reduce the weight of the steel truss by hundreds of tons while meeting the structural stress, lighten the dead weight and greatly save the cost. 2. The truss sheet assembly of the structural type can be used for construction of various bridge cast-in-situ structures, and has high utilization rate and wide application range: the steel truss structure can be used for cast-in-situ steel arches of steel arch bridges, underwater steel trestle, suspended casting hanging baskets, cast-in-situ box girder supporting frames and the like. 3. The structure adopts a triangle structure, and fully exerts the characteristic of triangle stability.
Description
Technical Field
The utility model relates to the technical field of steel trestle trusses, in particular to a multipurpose concrete arch rib cast-in-place steel arch standard truss sheet structure.
Background
The cast-in-situ construction of the arch bridge generally adopts a cast-in-situ construction process of a steel arch, and the steel arch is generally assembled by a plurality of truss sheets. However, the traditional steel arch frame is formed by assembling standard rectangular section trusses such as Bailey sheets, and the transverse bridge spacing arrangement can only adopt Bailey sheet support frames to fix the size to 45cm or 90cm. On the other hand, the arch rib adopts a plurality of box girders, and meanwhile, the lower chord member of the arch frame is of a compression bar structure, and more steel is needed.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a multipurpose concrete arch rib cast-in-place steel arch standard truss sheet structure.
The technical scheme of the utility model is as follows:
A multi-purpose concrete arch rib cast-in-place steel arch standard truss sheet structure comprises triangular structure units and connecting rods, wherein the two triangular structure units are fixedly connected through a plurality of connecting rods; the triangular structure unit consists of an upper chord member and inclined web members, wherein two inclined web members are respectively fixed at two ends of the upper chord member, and the lower ends of the two inclined web members are connected to the connecting plate in a crossing way.
Connecting pin holes are formed in two ends of the connecting plate, and male and female connectors are respectively arranged at two ends of the upper chord member.
The triangle structure unit is internally connected with a plurality of inner web members to realize reinforcement.
Mounting arrangement one: when a plurality of standard truss pieces are installed, the upper parts of two adjacent standard truss pieces are connected through the male-female joint by a steel pin, and the connecting pin holes at the bottoms of the two adjacent standard truss pieces are connected through an adjusting lower supporting rod.
And II, mounting arrangement: when a plurality of standard truss sheets are installed, two adjacent standard truss sheets are arranged in a right direction and are inverted to form a diamond shape, and female and male connectors are connected with corresponding connecting pin holes.
The utility model has the technical effects and advantages that:
1. When being used in the steel arch, the steel truss can greatly reduce the weight of the steel truss by hundreds of tons while meeting the structural stress, lighten the dead weight and greatly save the cost.
2. The truss sheet assembly of the structural type can be used for construction of various bridge cast-in-situ structures, and has high utilization rate and wide application range: the steel truss structure can be used for cast-in-situ steel arches of steel arch bridges, underwater steel trestle, suspended casting hanging baskets, cast-in-situ box girder supporting frames and the like.
3. The structure adopts a triangle structure, fully exerts the characteristic of triangle stability, is better than the beret truss in stress performance after being used for assembling the truss, and can reduce the investment of steel.
Drawings
FIG. 1 is an elevation view of a standard truss sheet;
FIG. 2 is a side view of a standard truss sheet;
FIG. 3 is a schematic illustration of a male-female joint;
FIG. 4 is a diagram of the connection of two adjacent standard truss sheets when applied to a steel arch;
FIG. 5 is a longitudinal overall arrangement of a steel arch;
FIG. 6 is a transverse arrangement of steel arches;
FIG. 7 is a diamond-shaped layout of diamond-shaped standard truss sheets;
fig. 8 is a horizontal layout of standard truss sheets.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Detailed description of the preferred embodiments
The multipurpose concrete arch rib cast-in-place steel arch standard truss sheet structure as shown in fig. 1 to 3 comprises triangular structural units and connecting rods 1, wherein the two triangular structural units are fixedly connected through a plurality of connecting rods 1; the triangular structural unit consists of an upper chord member 2 and inclined web members 3, wherein two inclined web members are respectively fixed at two ends of the upper chord member, and the lower ends of the two inclined web members are connected to a connecting plate 4 in a crossing manner.
Connecting pin holes 41 are formed in two ends of the connecting plate, and female and male connectors 21 are respectively arranged at two ends of the upper chord member. The male and female joint is divided into a female joint 211 and a male joint 212.
The inside of the triangular structure unit is connected with a plurality of inner web members 5 to realize reinforcement.
Specification of: the steel arch standard truss sheet is designed into a triangular cone shape, the standard section is 4m long, the center distance between upper chords of a single truss set is 1.2m, the truss center is 2.6m high, the upper chords are [25 channel steel, the diagonal web members are [20 channel steel ], the inner web members are 125 x 14 angle steel, the connecting rod is 2 x 14 angle steel, the lower stay bar is adjusted to be [25 channel steel, and the materials used are 16 manganese bridge steel (16 Mnq). Steel pin 30crmnsi in second embodiment
When applied to a steel arch, as shown in figures 4, 5 and 6,
The upper parts of two adjacent standard truss sheets are connected through a male connector and a female connector by a steel pin, and the connecting pin holes at the bottoms of the two longitudinally adjacent standard truss sheets are connected by an adjusting lower stay bar 6. The curvature is adjusted by controlling and adjusting the length of the lower stay bar.
The length of a single group of standard truss sheets of the steel arch is 4m, the total arc length of the steel arch is 158m, the number of the standard truss sheets in the longitudinal bridge direction is 38, 5 groups are transversely arranged, and the groups are transversely connected by adopting the connecting flower frame 7, so that the overall stability of the steel arch is improved. The standard trusses are longitudinally connected by adjusting the lower stay bars to adapt to the arc of the arch box, and the arc-shaped arch helmets are formed by changing the height of the transverse distribution beams at the tops of the steel arches.
Embodiment III
When applied to a large-span trestle or a diamond hanging basket, as shown in figure 7,
When a plurality of standard truss sheets are installed, two adjacent standard truss sheets are arranged in a right direction and are inverted to form a diamond shape, and female and male connectors are connected with corresponding connecting pin holes.
Implementation column four
When applied to a cast-in-situ bracket, as shown in figure 8,
The upper parts of two adjacent standard truss sheets are connected through a male connector and a female connector by a steel pin, and the connecting pin holes at the bottoms of the two longitudinally adjacent standard truss sheets are connected by an adjusting lower stay bar 6. The length of the lower brace is controlled and adjusted so that the standard truss sheet is kept horizontal.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (5)
1. A multipurpose concrete arch rib cast-in-place steel arch frame standard truss sheet structure is characterized in that: the device comprises triangular structure units and connecting rods, wherein the two triangular structure units are fixedly connected through a plurality of connecting rods; the triangular structure unit consists of an upper chord member and inclined web members, wherein two inclined web members are respectively fixed at two ends of the upper chord member, and the lower ends of the two inclined web members are connected to the connecting plate in a crossing way.
2. A multi-purpose concrete rib cast-in-place steel arch standard truss sheet structure according to claim 1, wherein: connecting pin holes are formed in two ends of the connecting plate, and male and female connectors are respectively arranged at two ends of the upper chord member.
3. A multi-purpose concrete rib cast-in-place steel arch standard truss sheet structure according to claim 1, wherein: the triangle structure unit is internally connected with a plurality of inner web members to realize reinforcement.
4. A multi-purpose concrete rib cast-in-place steel arch standard truss sheet structure according to claim 1, wherein: when a plurality of standard truss pieces are installed, the upper parts of two adjacent standard truss pieces are connected through the male-female joint by a steel pin, and the connecting pin holes at the bottoms of the two adjacent standard truss pieces are connected through an adjusting lower supporting rod.
5. A multi-purpose concrete rib cast-in-place steel arch standard truss sheet structure according to claim 1, wherein: when a plurality of standard truss sheets are installed, two adjacent standard truss sheets are arranged in a right direction and are inverted to form a diamond shape, and female and male connectors are connected with corresponding connecting pin holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322497223.0U CN220888321U (en) | 2023-09-14 | 2023-09-14 | Multipurpose concrete arch rib cast-in-place steel arch standard truss sheet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322497223.0U CN220888321U (en) | 2023-09-14 | 2023-09-14 | Multipurpose concrete arch rib cast-in-place steel arch standard truss sheet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220888321U true CN220888321U (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322497223.0U Active CN220888321U (en) | 2023-09-14 | 2023-09-14 | Multipurpose concrete arch rib cast-in-place steel arch standard truss sheet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220888321U (en) |
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2023
- 2023-09-14 CN CN202322497223.0U patent/CN220888321U/en active Active
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