CN202705883U - Deepwater steel trestle and platform built on shallow sea bare bedrock - Google Patents
Deepwater steel trestle and platform built on shallow sea bare bedrock Download PDFInfo
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- CN202705883U CN202705883U CN 201220237831 CN201220237831U CN202705883U CN 202705883 U CN202705883 U CN 202705883U CN 201220237831 CN201220237831 CN 201220237831 CN 201220237831 U CN201220237831 U CN 201220237831U CN 202705883 U CN202705883 U CN 202705883U
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- pile
- pipe pile
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Abstract
The utility model provides a deepwater steel trestle and a platform built on shallow sea bare bedrock, comprising bridge pier steel pipe piles inserted into bedrock and possessing a bottom with a tooth-shaped structure, parallel connecting pipes transversely and vertically connecting adjacent bridge pier steel pipe piles and cross bridgings arranged between adjacent vertical bridge pier steel pipe piles; a cap beam, a transverse distributive girder, a vertical spandrel girder, a pad beam and a bridge deck slab are respectively welded from bottom to top at the top of the bridge pier steel pipe piles. The deepwater steel trestle and platform are especially suitable for a steel trestle, a platform, a dock engineering, etc in shallow sea and river-cross bedrock exposed sea deeper areas. The construction method is simple and rapid and can be completed by using a miniature general machine; operation is convenient, construction quality is high and costs are low. The deepwater steel trestle and platform are not only suitable for areas with a thicker cover layer, but also suitable for sea-bed areas with less or no cover layers; construction on-site adaptability is strong, and social and economic benefits are substantial.
Description
Technical field
The utility model is specially adapted to shallow sea, the darker regional steel trestle of cross a river exposed bedrock seawater, platform, Wharf Engineering etc.Particularly relate to a kind of method of setting up Deep Water Steel trestle and platform at the shallow sea exposed bedrock.
Background technology
The engineerings such as steel trestle, platform, harbour are the building types of commonly using in infrastructure, and shallow sea, river course are because of soil erosion, and Sediment Siltation is more, and in this case, the steel pipe pile construction is comparatively easy.And in the bay, zone that flow velocity of river is larger, Sediment Siltation is less or do not have, and rock is exposed, in this case, steel pipe pile inserted to play difficulty of construction is large, is difficult to squeeze into the enough degree of depth in rock stratum, so the stability of pile body is difficult to ensure.
In the prior art, the technician has taked different measures to improve the stability of steel pipe pile, for example notification number be CN102191775A Patent Application Publication a kind of " the steady piling method that the exposed bedrock artificial foundation bed combines with outrigger ", comprise the steps: the structure design of (1) artificial foundation bed; (2) artificial foundation bed is jettisoninged and moulding; (3) steel bushing sinking; (4) the steady pile driving construction of a clump of piles.Namely cast sandbag and packed macadam in the socketed pile zone and form the steady stake requirement that artificial mulch satisfies the construction period.In its work progress, it is great in constructing amount, and constructor's the amount of labour is large.
The utility model content
In view of above problem, main purpose of the present utility model be to provide a kind of simple in structure, safe and practical, cost is low, adaptable, be suitable for Deep Water Steel trestle and the platform set up at the shallow sea exposed bedrock.
Deep Water Steel trestle and the platform set up at the shallow sea exposed bedrock that the utility model provides, comprise that inserted to play enters the bridge pier steel pipe pile of basement rock, the lateral pipe that laterally, vertically connects adjacent bridge pier steel pipe pile, be arranged on the bridging between vertical adjacent bridge pier steel pipe pile, set gradually from top to bottom and cap, transverse distribution beam, vertical spandrel girder, bearing beam and bridge deck by being welded to connect on bridge pier steel pipe pile top, the bottom of described bridge pier steel pipe pile has dentalation, has chamfer triangle taper pile to support in the side of described bridge pier steel pipe pile inserted to play.
Preferably, described chamfer triangle taper pile comprises that an inserted to play enters the vertical steel pile tube that sea bed basement rock, bottom have dentalation, an oblique steel pipe that is used for connecting vertical steel pile tube and bridge pier steel pipe pile, two level connection joint steel pipes that are used for connecting vertical steel pile tube and oblique steel pipe.
Preferably, described bridge pier steel pipe pile is the Χ 70 petroleum pipe steel spiral weld steel pipes of external diameter Φ 711mm, thickness 14mm, is that to adopt length be that the steel pipe Site Welding of 9 ~ 12m forms.
Preferably, the isosceles triangle that is shaped as length of side 15cm of described dentalation.
Core of the present utility model is to adopt high strength, high tenacity, a bottom to have the steel pipe pile of dentalation as basis and the bridge pier of conduct as steel trestle, i.e. bridge pier steel pipe pile.The tip of stake bottom dentalation cutting rock, sinks down into projected depth under the powerful power of the impulsing effect of vibrating hammer, thereby guarantee that steel pipe pile can inserted to play enter exposed bedrock, has overcome the difficult problem that the intectate sea bed is difficult to the inserted to play steel pipe pile.With respect to the method for available technology adopting artificial foundation bed, the utility model has been simplified the program of setting up steel trestle and platform, has reduced the amount of labour, have construction simply, advantage fast.Simultaneously, in Specific construction, use the Small Universal plant equipment to finish, such as pedrail crane, vibrating hammer etc., equipment investment is few, and construction cost is low.Be not only applicable to the thicker zone of covering layer, and it is less to be applicable to covering layer, the sea-bed area of intectate (being exposed bedrock), the job site strong adaptability has in use produced significant Social benefit and economic benefit.
In addition, in order to prevent that described steel pipe pile inserted to play from entering the rock degree of depth and not reaching projected depth, support at the side direction inserted to play chamfer triangle taper pile of described steel pipe pile, to improve its lateral stability, can further guarantee stability and the quality of steel trestle and platform.The utility model is specially adapted to shallow sea, the darker regional steel trestle of cross a river exposed bedrock seawater, platform, Wharf Engineering etc.
Description of drawings
Fig. 1 is the Facad structure schematic diagram of steel trestle described in the utility model;
Fig. 2 is that the B-B of steel trestle of the present invention is to structural representation;
Fig. 3 is that the C-C of steel trestle described in the utility model is to structural representation;
Among the figure: 1-bridge pier steel pipe pile, 2-lateral pipe, 3-bridging, 4-transverse distribution beam, the vertical spandrel girder of 5-, 6-bearing beam, 7-cap, 8-bridge deck, 9-chamfer triangle taper pile, 10-vertical steel pile tube, the oblique steel pipe of 11-, 12-level connection joint steel pipe.
The specific embodiment
For clearer explanation the technical solution of the utility model, below in conjunction with accompanying drawing the specific embodiment of the present utility model is done further detailed description.Following specific embodiment is illustrating of the technical solution of the utility model only, is not be used to limiting embodiment of the present utility model.
As shown in Figure 1, Deep Water Steel trestle and the platform of setting up at the shallow sea exposed bedrock described in the utility model, comprise that inserted to play enters the bridge pier steel pipe pile 1 of basement rock, the lateral pipe 2 and the bridging 3 that connect adjacent bridge pier steel pipe pile 1 set gradually and cap 7, transverse distribution beam 4, vertical spandrel girder 5, bearing beam 6 and bridge deck 8 by being welded to connect from top to bottom on bridge pier steel pipe pile 1 top.In order to guarantee that steel pipe pile can inserted to play enter exposed bedrock, overcome the difficult problem that the intectate sea bed is difficult to the inserted to play steel pipe pile, the steel pipe pile that the utility model employing high strength, high tenacity, bottom have dentalation is as bridge pier steel pipe pile 1, and the bottom of described bridge pier steel pipe pile 1 has dentalation.The tip of stake bottom dentalation cutting rock, sinks down into projected depth under the powerful power of the impulsing effect of vibrating hammer.Preferably, be shaped as the dentalation of the isosceles triangle of length of side 15cm, easier cutting rock when inserted to play, the effect of its inserted to play is better.
In actual production, the technician at first according to actual conditions, the construction needs of job site, sets up model, determines parameters.For example, the intensity of steel pipe pile, toughness, diameter, inserted to play enter the degree of depth of sea bed basement rock etc.
With Cambodia Sihanouk port, steel trestle and the platform set up in the large longitudinal gradient continuous steel frame of main span 200m science popularization this bridge spanning the sea construction difficult to understand are example, and the specific embodiment of the present utility model is described further.
The technician is according to the Χ 70 petroleum pipe steel spiral weld steel pipes of simulation, calculative determination steel pipe pile employing external diameter Φ 711mm, thickness 14mm, and the standard yield strength is that 530 ~ 630MPa, tensile strength are 〉=570MPa, and V-type ballistic work standard value is 〉=190.For convenient transportation, in the actual production process, length is approximately the described steel pipe pile of 25m, and employing length is that the steel pipe of 9 ~ 12m is welded at the construction field (site).
According to design, bridge pier steel pipe pile 1 is squeezed into sea bed by the 90kW vibrating hammer vibration of 50t pedrail crane lifting, and equally distributed bridge pier steel pipe pile 1 is as basis and the bridge pier of steel trestle, as shown in fig. 1.Laterally spacing distance is 6m between the adjacent bridge pier steel pipe pile 1, and vertically the distance at interval is 9m between the adjacent bridge pier steel pipe pile 1.Dentation tip, bridge pier steel pipe pile 1 bottom is under the powerful power of the impulsing effect of vibrating hammer, and cutting rock sinks down into projected depth, i.e. the twice degree of depth of described steel pipe pile external diameter.
When the degree of depth that enters basement rock when bridge pier steel pipe pile 1 inserted to play does not reach 2 times of diameter of phi 711 of steel pipe pile projected depth, support at the side of described bridge pier steel pipe pile 1 inserted to play chamfer triangle taper pile 9, improve lateral stability, as shown in Figure 3.Described chamfer triangle taper pile 9 by one, vertically the inserted to play vertical steel pile tube 10, that enter basement rock connects oblique steel pipe 11, two level connection joint steel pipes 12 that connect vertical steel pile tube 10 and oblique steel pipe 11 that described steel pipe pile is connected with the vertical steel pile tube and forms.The bottom of vertical steel pile tube 10 is dentalation, is convenient to inserted to play such as basement rock.Oblique steel pipe 11 directly acts on trestle steel pipe pile and supports, and improves lateral stability.Described vertical steel pile tube 10 and bridge pier steel pipe pile 1 can adopt the steel pipe pile of same specification, and oblique steel pipe 11 is the external diameter of external diameter Φ 405, and level connection joint steel pipe 12 is the steel pipe of external diameter Φ 405.
Be doing laterally, vertically connect as lateral pipe 2 of Φ 405 steel pipes with specification between the adjacent bridge pier steel pipe pile 1, and 1 of vertically adjacent bridge pier steel pipe pile in addition bridging 3 is fixing, make equally distributed steel pipe pile become a stable general frame structure, as shown in fig. 1.
Adopt 2H45 shaped steel to make transverse distribution beam 4,7H45 shaped steel is vertical spandrel girder 5,20 channel-section steels (namely [20) are made bridge deck 8, cap 7, transverse distribution beam 4, vertical spandrel girder 5, bearing beam 6 and bridge deck 8 set up bridge pier steel pipe pile 1 top from top to bottom successively, and by being welded to connect, form complete steel trestle and platform, as shown in Figure 1, 2, 3.
Above embodiment is indivedual embodiment of the technical solution of the utility model; to those skilled in the art; any apparent improvement, replacement and the modification under the prerequisite that does not deviate from the utility model principle the utility model done all belong to the protection domain of the utility model claims.
Claims (4)
1. Deep Water Steel trestle and platform of setting up at the shallow sea exposed bedrock, it is characterized in that, comprise that inserted to play enters the bridge pier steel pipe pile (1) of basement rock, laterally, the lateral pipe (2) that vertically connects adjacent bridge pier steel pipe pile (1), be arranged on the bridging (3) between vertical adjacent bridge pier steel pipe pile (1), set gradually from top to bottom on bridge pier steel pipe pile (1) top, and the cap (7) by being welded to connect, transverse distribution beam (4), vertical spandrel girder (5), bearing beam (6) and bridge deck (8), the bottom of described bridge pier steel pipe pile (1) has dentalation, has chamfer triangle taper pile (9) to support in the side inserted to play of described bridge pier steel pipe pile (1).
2. steel trestle according to claim 1 and platform, it is characterized in that, described chamfer triangle taper pile (9) comprises that an inserted to play enters the vertical steel pile tube (10) that sea bed basement rock, bottom have dentalation, an oblique steel pipe (11) that is used for connecting vertical steel pile tube (10) and bridge pier steel pipe pile (1), two level connection joint steel pipes (12) that are used for connecting vertical steel pile tube (10) and oblique steel pipe (11).
3. steel trestle according to claim 1 and platform is characterized in that, the isosceles triangle that is shaped as length of side 15cm of described dentalation.
4. according to claim 2 or 3 each described steel trestle and platforms, it is characterized in that, described bridge pier steel pipe pile (1) and described vertical steel pile tube (10) all adopt the Χ 70 petroleum pipe steel spiral weld steel pipes of external diameter Φ 711mm, thickness 14mm, are that to adopt length be that the steel pipe Site Welding of 9～12m forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220237831 CN202705883U (en) | 2012-05-24 | 2012-05-24 | Deepwater steel trestle and platform built on shallow sea bare bedrock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220237831 CN202705883U (en) | 2012-05-24 | 2012-05-24 | Deepwater steel trestle and platform built on shallow sea bare bedrock |
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| Publication Number | Publication Date |
|---|---|
| CN202705883U true CN202705883U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220237831 Expired - Lifetime CN202705883U (en) | 2012-05-24 | 2012-05-24 | Deepwater steel trestle and platform built on shallow sea bare bedrock |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669385A (en) * | 2013-12-30 | 2014-03-26 | 中铁二十四局集团有限公司 | Method for improving pile group bearing capacity by means of reticular pile foundations |
| CN104863152A (en) * | 2015-06-11 | 2015-08-26 | 中国铁建大桥工程局集团有限公司 | High-strength bare rock pipe pile inserting-driving method |
-
2012
- 2012-05-24 CN CN 201220237831 patent/CN202705883U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669385A (en) * | 2013-12-30 | 2014-03-26 | 中铁二十四局集团有限公司 | Method for improving pile group bearing capacity by means of reticular pile foundations |
| CN104863152A (en) * | 2015-06-11 | 2015-08-26 | 中国铁建大桥工程局集团有限公司 | High-strength bare rock pipe pile inserting-driving method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |