CN218116160U - Deep water shallow overburden steel landing stage positioner - Google Patents
Deep water shallow overburden steel landing stage positioner Download PDFInfo
- Publication number
- CN218116160U CN218116160U CN202222380990.9U CN202222380990U CN218116160U CN 218116160 U CN218116160 U CN 218116160U CN 202222380990 U CN202222380990 U CN 202222380990U CN 218116160 U CN218116160 U CN 218116160U
- Authority
- CN
- China
- Prior art keywords
- steel
- steel pipe
- trestle
- pipe pile
- hourglass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Foundations (AREA)
Abstract
The utility model belongs to the technical field of the bridge construction, specifically be a deep water shallow overburden steel landing stage positioner. The related deep water shallow covering layer steel trestle positioning device is provided with a steel pipe pile of which the lower end is fixed at the bottom of a riverbed; an hourglass-shaped steel protective cylinder which is coaxial with the steel pipe pile is sleeved at the lower end of the steel pipe pile; the hourglass-shaped steel protective cylinder is of a frustum-shaped structure with a small upper part and a big lower part; underwater concrete is poured into the hourglass-shaped steel protective cylinder and serves as an artificial underwater concrete covering layer; the steel pipe piles are arranged in multiple rows along the length direction of the steel trestle; each column is provided with a plurality of columns; each row of a plurality of steel pipe piles are connected into a whole through channel steel welding cross braces and cross braces; the top ends of the plurality of steel pipe piles are arranged in parallel; a plurality of Bailey beams arranged along the length direction of the steel trestle are fixed at the top end of each steel pipe pile; and the top ends of the plurality of Bailey beams are fixed with the bridge deck of the steel trestle. The utility model discloses, have with low costs, easy operation, to the less advantage of environmental impact, guaranteed the safety of construction.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, specifically be a deep water shallow overburden steel landing stage positioner.
Background
The construction of the water foundation generally uses a steel trestle as a temporary traffic facility for material transportation, temporary traffic of personnel and mechanical equipment on water and the like; the holding force component is a steel pipe pile, so the stability of the steel pipe pile has great influence on the safe use of the steel trestle; usually, a steel trestle bridge is constructed in a silt layer and a sand and gravel layer, so that construction conditions are provided for rapping the steel pipe piles, but under the conditions of high flow rate, hard rock underwater, shallow covering layer or no covering layer, deep water depth or high flood level and the like, the steel pipe piles are particularly difficult to be inserted and beaten, the steel pipe piles are difficult to be driven into the underwater stratum to a sufficient depth, and the stability of the steel pipe piles is difficult to be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that exists among the prior art and execute at shallow overburden of deep water and do steel-pipe pile difficulty, steel-pipe pile stability is difficult to guarantee, provide a shallow overburden steel trestle positioner of deep water.
The utility model adopts the following technical scheme for accomplishing the above purpose:
a steel trestle positioning device for a deep water shallow covering layer is provided with a steel pipe pile of which the lower end is fixed at the bottom of a riverbed; an hourglass-shaped steel protective barrel which is coaxial with the steel pipe pile is sleeved at the lower end of the steel pipe pile; the hourglass-shaped steel protective cylinder is of a frustum-shaped structure with a small upper part and a large lower part; underwater concrete is poured into the hourglass-shaped steel casing and serves as an artificial underwater concrete covering layer, so that the steel pipe pile with the bottom serving as a rock riverbed is guaranteed to have enough embedding depth, and the requirement on anti-overturning capacity is met; the steel pipe piles are arranged in multiple rows along the length direction of the steel trestle; each column is provided with a plurality of columns; each row of multiple steel pipe piles are connected into a whole through channel steel welding cross braces and cross braces, so that the stability of the steel pipe piles is enhanced; the top ends of the steel pipe piles are arranged in parallel; the top end of each steel pipe pile is fixedly provided with a plurality of Bailey beams arranged along the length direction of the steel trestle; and the top ends of the multiple Bailey beams are fixed with a steel trestle bridge deck, and two ends of the steel trestle bridge deck are fixedly connected with steel trestle railings.
Gravel or concrete with the pile length of 2/3 is poured into each steel pipe pile to reduce the center of gravity of the steel pipe pile and enhance the anti-overturning capability.
The utility model provides a pair of deep water shallow overburden steel trestle positioner compares in traditional soil bag cofferdam construction, has with low costs, easy operation, to the less advantage of environmental impact, and can fully guarantee its stability in deep water shallow overburden steel-pipe pile work progress, has guaranteed the safety of construction.
Drawings
FIG. 1 is a front view of a steel trestle;
FIG. 2 is a schematic view of an artificial underwater concrete overlay;
FIG. 3 is a cross-sectional view of a steel trestle;
FIG. 4 is a plan view of the positions of an hourglass-shaped steel casing and a steel pipe pile;
in the figure: 1. an hourglass-shaped steel protective cylinder; 2. a rock river bed; 3. an artificial concrete overlay; 4. steel pipe piles; 5. gravel; 6. a steel trestle guardrail; 7. a steel trestle bridge deck; 8. a Bailey beam; 9. welding a cross brace on the channel steel; 10. and (5) welding channel steel with a cross brace.
Detailed Description
The present invention is described in detail below with reference to the attached drawings:
as shown in fig. 1, the steel trestle positioning device for the deep water shallow covering layer is provided with a steel pipe pile 4 of which the lower end is fixed at the bottom of a river bed; referring to fig. 2, an hourglass-shaped steel casing 1 is sleeved at the lower end of the steel pipe pile 4 and is coaxial with the steel pipe pile; the hourglass-shaped steel protective cylinder is of a frustum-shaped structure with a small upper part and a large lower part; underwater concrete is poured into the hourglass-shaped steel casing and covered as artificial underwater concrete, and 3, the steel pipe pile with the bottom being a rock riverbed is ensured to have enough embedding depth, and the requirement on anti-overturning capacity is met; the steel pipe piles 1 are arranged in multiple rows along the length direction of the steel trestle; each column is provided with a plurality of columns; with reference to fig. 3 and 4, a plurality of steel pipe piles 1 in each row are connected into a whole through channel steel welding scissor braces 9 and cross braces 10, so that the stability of the steel pipe piles is enhanced; the top ends of the steel pipe piles are arranged in parallel; the top end of each steel pipe pile is fixedly provided with a plurality of Bailey beams arranged along the length direction of the steel trestle; and the top ends of the multiple Bailey beams are fixed with a steel trestle bridge deck, and two ends of the steel trestle bridge deck are fixedly connected with steel trestle railings.
Gravel or concrete with the pile length of 2/3 is poured into each steel pipe pile to reduce the center of gravity of the steel pipe pile and enhance the anti-overturning capability.
The construction method of the utility model comprises the following steps:
1) Establishing a model, designing a steel trestle model, and determining the type of a steel trestle steel pipe pile and various parameters of an artificial concrete covering layer under the condition of meeting the anti-overturning requirement;
2) And (3) releasing the center position of the steel pipe pile, placing the hourglass-shaped steel casing at the center position, and aligning the center point of the casing with the center point of the steel pipe pile to form the steel casing cofferdam 1.
3) The steel pipe pile is placed to the bottom of the river bed at a specified position by utilizing a crane to lift the vibration hammer; the steel pipe piles are arranged in three rows along the length direction of the steel trestle; for the steel pipe pile with the river bed bottom being the rock river bed part, the steel pipe pile needs to be driven into the rock river bed until the steel pipe pile is not driven; then, fixing the steel pipe pile on the guide frame by using channel steel to ensure the stability of the steel pipe pile;
4) Pouring underwater concrete into the hourglass-shaped steel casing as an artificial underwater concrete covering layer 3 according to the parameters obtained by the calculation in the step 1), so that the steel pipe pile with the bottom being a rock river bed has enough embedment depth and meets the requirement on the anti-overturning capacity;
5) In combination with fig. 3, each row of steel pipe piles are connected into a whole through channel steel welding cross braces and cross braces, so that the stability of the steel pipe piles is enhanced.
6) After measurement and lofting, leveling the tops of the steel pipe piles according to a designed elevation, and pouring gravel or concrete with the length of 2/3 of the pile length into the steel pipe piles to reduce the gravity centers of the steel pipe piles and enhance the anti-overturning capability;
7) A plurality of Bailey beams arranged along the length direction of the steel trestle are fixed at the top of each leveled steel pipe pile; and the top ends of the multiple Bailey beams are fixed with a steel trestle bridge deck, and two ends of the steel trestle bridge deck are fixedly connected with steel trestle railings.
Claims (2)
1. The utility model provides a deep water shallow overburden steel landing stage positioner which characterized in that: the steel trestle positioning device is provided with a steel pipe pile of which the lower end is fixed at the bottom of the riverbed; an hourglass-shaped steel protective barrel which is coaxial with the steel pipe pile is sleeved at the lower end of the steel pipe pile; the hourglass-shaped steel protective cylinder is of a frustum-shaped structure with a small upper part and a large lower part; underwater concrete is poured into the hourglass-shaped steel protective cylinder and serves as an artificial underwater concrete covering layer; the steel pipe piles are arranged in multiple rows along the length direction of the steel trestle; each column is provided with a plurality of columns; each row of a plurality of steel pipe piles are connected into a whole through channel steel welding cross braces and cross braces, so that the stability of the steel pipe piles is enhanced; the top ends of the steel pipe piles are arranged in parallel; the top end of each steel pipe pile is fixedly provided with a plurality of Bailey beams arranged along the length direction of the steel trestle; and the top ends of the plurality of Bailey beams are fixed with a steel trestle bridge deck plate, and two ends of the steel trestle bridge deck plate are fixedly connected with steel trestle railings.
2. The deep water shallow cladding steel trestle positioning device of claim 1, which is characterized in that: and gravel or concrete with the length of 2/3 of the pile length is poured into each steel pipe pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222380990.9U CN218116160U (en) | 2022-09-08 | 2022-09-08 | Deep water shallow overburden steel landing stage positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222380990.9U CN218116160U (en) | 2022-09-08 | 2022-09-08 | Deep water shallow overburden steel landing stage positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218116160U true CN218116160U (en) | 2022-12-23 |
Family
ID=84528932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222380990.9U Active CN218116160U (en) | 2022-09-08 | 2022-09-08 | Deep water shallow overburden steel landing stage positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218116160U (en) |
-
2022
- 2022-09-08 CN CN202222380990.9U patent/CN218116160U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212426780U (en) | Double-walled steel cofferdam and short pile casing crowd integrated positioning mounting structure | |
| CN108797587A (en) | A kind of novel sinking construction technology of static pressed pile | |
| CN103741657A (en) | Construction method of large multifunctional over-water construction platform | |
| CN108103939A (en) | Oblique section steel trestle construction composite reinforcement mode and construction technology | |
| CN102605750A (en) | Grouting reinforcement and earthquake resisting method for earth and rockfill dam | |
| CN106088120B (en) | A kind of cofferdam decentralization construction method | |
| CN111335171A (en) | Construction method of steel trestle | |
| CN104711931B (en) | Temporary underwater pier manufacturing, assembling and disassembling method suitable for bridge erection | |
| CN208152052U (en) | Steel sheet pile underground structure of controllable deformation | |
| CN112195779A (en) | Multifunctional trestle construction method suitable for thick pebble layer | |
| CN203654196U (en) | Guide apparatus for large and multifunctional over-water construction platform | |
| CN107227741B (en) | Basement supporting construction | |
| CN212926126U (en) | Mountain land large-volume arch foundation | |
| CN110847047B (en) | Open sea bare rock trestle construction method | |
| CN218116160U (en) | Deep water shallow overburden steel landing stage positioner | |
| JP6105044B2 (en) | Partially floating offshore platform for offshore wind power, bridges and offshore structures, and construction method | |
| CN209339171U (en) | A kind of transmission line of electricity assembled sheet pile composite foundation | |
| CN109457721B (en) | Bridge foundation space protection structure on rock cone slope | |
| CN208167770U (en) | Assembled drilledpier foundation | |
| CN110029653B (en) | Method for treating steel pipe pile foundation of riprap seabed foundation | |
| CN206477240U (en) | A kind of trestle pile foundation for deep water drift net riverbed | |
| CN115387207A (en) | Shallow covering layer steel-concrete composite pile pier structure and construction method | |
| CN212052780U (en) | Oblique supporting type deep foundation pit supporting structure | |
| CN109653213B (en) | Underground diaphragm wall grooving construction method | |
| CN211143136U (en) | Pipe gallery deformation control device in soft soil foundation pit excavation process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |