CN203614911U - Shallow sea reclamation area submarine pipeline protection device - Google Patents
Shallow sea reclamation area submarine pipeline protection device Download PDFInfo
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- CN203614911U CN203614911U CN201320730152.8U CN201320730152U CN203614911U CN 203614911 U CN203614911 U CN 203614911U CN 201320730152 U CN201320730152 U CN 201320730152U CN 203614911 U CN203614911 U CN 203614911U
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- submerged pipeline
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Abstract
The utility model relates to a shallow sea reclamation area submarine pipeline protection device. The shallow sea reclamation area submarine pipeline protection device is characterized in that the shallow sea reclamation area submarine pipeline protection device mainly comprises vertical piles, inclined piles, crossbeams, longitudinal beams and cover slabs, wherein the vertical piles are distributed at both sides of a submarine pipeline in a reclamation area, and moreover, at least one row of vertical piles are arranged by each side of the submarine pipeline; the shallow sea reclamation area submarine pipeline protection device is arranged in the form of steps along the pipeline direction by taking a steel body as a starting point and rises step by step; a group of inclined piles are arranged at intervals on the outmost vertical piles; the crossbeams are laid on the tops of the vertical piles along the direction perpendicular to the pipeline by means of fasteners; the longitudinal beams are laid on the upper surfaces of the crossbeams along the direction of the submarine pipeline by means of fasteners. The adoption of the protective structure ensures that the load on the top of the pipeline is in stepped stage-by-stage transition, so that the load applied on the pipeline between original surface load outside a construction area and overall reclamation load in the construction area can be in uniform transition, and thereby the shallow sea reclamation area submarine pipeline protection device can effectively ensure that the pipeline cannot be severely bent to break through the ultimate stress to be damaged.
Description
Technical field
The utility model belongs to submerged pipeline resist technology field, particularly relates to hydraulic reclamation district, a kind of shallow sea submerged pipeline protective gear.
Background technique
Wei Haizao road is coastal area alleviation land supply and need contradiction, expands the effective means in social survival and development space, has huge society and economic benefit.But sometimes Wei Haizao road can be gone up with underground environment and cause immeasurable impact it peripherally.In reclaiming land around sea process; often there will be planning region to cover the situations such as such as oil-gas pipeline of some submerged pipelines; submerged pipeline is being born the important use of the economic people's livelihood of relation conventionally, therefore in reclaiming land around sea construction, must carry out special protection to it, to guarantee pipeline safety.
The rigid construction of the protection submerged pipeline arranging across submerged pipeline in the hydro-structure such as embankment, breakwater, is called rigid body, for example large cylinder device.The submerged pipeline of laying within the scope of land reclamation, when pipeline is entered in hydraulic reclamation district by off-lying sea by rigid body, due to hydraulic reclamation, the load large size of conduit upper is increased, because pipeline is very long, pipeline, always in the state that Local Loads increases, Local Loads is constant, covers weight and can directly make the stress that tube wall is subject to increase on barged-in fill produces in hydraulic reclamation district simultaneously, the increase of Local Loads causes the pipeline of infall to produce deflection deformation, in pipeline, produce additional draw, pressure stress.If when the combination of ducted additional stress and pipeline original stress (stress causing as temperature and interior pressure) under serviceability exceedes the yield stress of pipe material, pipeline will destroy.
Given this, we have introduced by carry out load classification transition theory at region of stress concentration, thereby reduce the stress influence to pipeline after hydraulic reclamation completes, and guarantee that pipeline is not damaged.In order to reach the object of load classification transition, we have designed classification load transitional structure form, by the high form of different section piles with different top mark, make the pipeline upper load classification in hydraulic reclamation process be passed to the following soil layer of submerged pipeline.
Summary of the invention
The utility model provides a kind of hydraulic reclamation district, shallow sea submerged pipeline protective gear of having protected submerged pipeline simple in structure, reasonable in design, easy to install, effective for solving the technical problem existing in known technology.
The technological scheme that the utility model is taked for the technical problem existing in solution known technology is:
Hydraulic reclamation district, a kind of shallow sea submerged pipeline protective gear, is characterized in that: mainly comprise soldier piles, taper pile, crossbeam, longeron and cover plate,
Wherein soldier piles are distributed in the both sides of the submerged pipeline in hydraulic reclamation district, and the one-sided row's soldier piles that are at least provided with of submerged pipeline;
In hydraulic reclamation district, be cascade layout take firm body as starting point along pipeline direction, and be to increase step by step;
On outermost soldier piles, each certain distance is provided with one group of taper pile;
The vertical pipeline direction of upper top at soldier piles is equipped with crossbeam by fastening piece;
Be equipped with longeron along submerged pipeline direction by fastening piece in described beam surface upper;
Longeron upper surface at each ladder surface is equipped with cover plate by fastening piece.
The utility model can also adopt following technical measures:
The angle α of the vertical section of the radial direction of described taper pile and submerged pipeline is 30 °～50 °; The angle β of taper pile and the vertical section of submerged pipeline axial direction is 40 °～50 °.
Described fastening piece adopts harrow nail, self tapping screw or binding structural member.
Between described adjacent soldier piles, be installed with truss by fastening piece.
Between described soldier piles and adjacent crossbeam, be provided with diagonal brace.
Described soldier piles, taper pile, crossbeam, longeron and cover plate all adopt wooden structures.
Advantage and the good effect that the utlity model has are: because the utility model will adopt above-mentioned safeguard structure to make the load on pipeline top be step-like classification transition; thereby between hydraulic reclamation load, pipeline institute bearing load can even transition completely to make outside construction area former surface load and inner side, construction area; effectively guarantee that pipeline large bending deflection breakthrough ultimate stress does not occur and causes pipeline damage; this method has reduced to adopt protects input a large amount of human and material resources completely; reduced again the waste of its construction plant and the energy, be a kind of be environmental protection economic structure again.The utility model construction is convenient, and protection structure end face, in intertidal zone, is avoided underwater construction as far as possible, all superstructure monomer assemblings, and multibreak forms continuous productive process, can make full use of the time between tide; Ask low to labor and materials are confidential, material channel is wide, and ship machine is slightly transformed just and can be constructed, and reduces front setup time of work, workable.Economic benefit is mainly manifested in project organization and has realized in easy process conditions, under workable method of construction, submerged pipeline is formed the protection of effective and safe.Full wooden structures reduces deadweight and weakens rigidity, can guarantee the safety coefficient after work progress and completion, little on pipeline impact, has improved Security.
Accompanying drawing explanation
The load distribution schematic diagram of the unshielded structure of Tu1Shi hydraulic reclamation district's pipeline;
The load distribution schematic diagram of Tu2Shi hydraulic reclamation district gut line load classification transition;
Fig. 3 is the structural representation of first order classification changeover portion;
Fig. 4 is I-I sectional drawing of Fig. 3;
Fig. 5 is A portion enlarged view in Fig. 4;
Fig. 6 is II-II sectional drawing of Fig. 3.
In figure: 1, soldier piles; 2, taper pile; 3, crossbeam; 4, longeron; 5, cover plate; 6, truss; 7, diagonal brace; 8, submerged pipeline; 9, rigid body; 10, fastening piece.
Embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 to Fig. 6, hydraulic reclamation district, a kind of shallow sea submerged pipeline protective gear, mainly comprises soldier piles 1, taper pile 2, crossbeam 3, longeron 4 and cover plate 5,
Wherein soldier piles 1 are distributed in the both sides of the submerged pipeline 8 in hydraulic reclamation district, and the one-sided row's soldier piles 1 that are at least provided with of submerged pipeline; The row of soldier piles 1 is according to selecting according to actual conditions, and more its stability of row is just stronger.
In hydraulic reclamation district, be cascade layout take firm body 9 as starting point along pipeline direction, and be to increase step by step, for ease of explanation, specific near rigid body 9 be first order classification changeover portion, the number of step is rationalized selection according to the length of actual classification changeover portion;
On outermost soldier piles 1, each certain distance is provided with one group of taper pile 2;
The vertical pipeline direction of upper top at soldier piles 1 is equipped with crossbeam 3 by fastening piece;
Be equipped with longeron 4 along submerged pipeline direction by fastening piece at described crossbeam 3 upper surfaces;
Longeron 3 upper surfaces at each ladder surface are equipped with cover plate 5 by fastening piece.
The utility model can also adopt following technical measures:
Described taper pile 2 is 30 °～50 ° with the angle α of the vertical section of the radial direction of submerged pipeline 8; Taper pile 2 is 40 °～50 ° with the angle β of the vertical section of submerged pipeline 8 axial direction.
Described fastening piece 10 adopts harrow nail, self tapping screw or binding structural member.
Between described adjacent soldier piles 1, be installed with truss 6 by fastening piece.
Between described soldier piles 1 and adjacent crossbeam, be provided with diagonal brace 7.
The mentality of designing of above-mentioned protective gear is as follows:
(1), calculate hydraulic reclamation load according to reclaiming land around sea planning absolute altitude, determine the big or small q of hydraulic reclamation load, determine the load q0 without hydraulic reclamation load Submarine Pipeline line segment according to the buried depth of submerged pipeline disembarkation section;
(2), in conjunction with theory of beam on elastic and numerical computation method, distortion and the stress situation of submerged pipeline under hydraulic reclamation load q are calculated, determine the Security of submerged pipeline;
(3) if the combined stress that above-mentioned calculated stress draws is excessive, within the scope of certain length submerged pipeline, take to protect accordingly structure that the load classification transition that pipeline bears is increased, make load q classification transition, apply q in the first classification section
1, the second classification section applies q
2... n classification section applies qn, and last protection section is applied to total load q, determines the total length of load changeover portion and the length of every grade of section by calculating the poor amount of deformation of load; Determined the progression that divides of load changeover portion by the distortion of submerged pipeline under hydraulic reclamation load q and corresponding classification load and Stress calculation;
(4) submerged pipeline, in conjunction with elastic foundation beam method and numerical computation method after to load classification transition is out of shape accordingly and stress combination is calculated, and judges the Security of submerged pipeline;
(5) the load classification over current protection structure that, may address the above problem according to the interpretation of result of above-mentioned calculating;
(6), select load classification over current protection structure type and structure according to actual conditions;
(7), formulate concrete method of construction according to above-mentioned selected load classification over current protection structure type and structure.
Described soldier piles, taper pile, crossbeam, longeron and cover plate all adopt wooden structures, and full wooden structures reduces deadweight and weakens rigidity, can guarantee the safety coefficient after work progress and completion, little on submerged pipeline impact, have improved Security.
Further illustrate as an example of Boxi pipelines protection example below, in Boxi pipelines region, soil property is softer, and intensity index is low, and when operation at sea, difficulty of construction is large.In land reclamation Boxi pipelines current design manual of protective structures, intend adopting the scheme of timber safeguard structure, scheme sets respectively two row's timbers in pipeline both sides, a pair of taper pile is set at a certain distance, in order to bear the horizontal loading producing in hydraulic reclamation process, and guarantee that overall structure is stable, top cover plate adopts plank.
Design protection structure has following main points:
(1) meet classification load over current protection model
(2) meet construction feasibility
(3) meet engineering economy
This protection structure can be delivered to the soil layer below submerged pipeline by timber by barged-in fill load more than cover plate, installs along pipeline, with different cover plate end face absolute altitude segmentations, thereby reaches the requirement of the barged-in fill load classification transition that protection model pipeline bears.Specifically take economic zone San Qi 14 district's Boxi pipelines protection project organizations as example; this engineering is used structure specific targets to be: cross 400m protection that border forms in construction area section as protection domain from hydraulic reclamation district with pipeline; the every side in pipeline both sides is arranged double soldier piles; protection section is provided with three grades as Fig. 2; stake footpath 20cm; pile spacing 2.3m in two rows; one-sided inside and outside pile spacing 1.2m; be 0.6m along the longitudinal pile spacing of axis; axial direction arranges that every 4.8m both sides taper pile is in order to bear the horizontal loading producing in hydraulic reclamation process, and guarantees that overall structure is stable.Top at soldier piles adopts the 20cm*20cm lumps of wood to set up crossbeam perpendicular to submerged pipeline direction, above crossbeam, set up 20cm*20cm lumps of wood longeron along submerged pipeline direction, girder space is timber design pitch, cover plate is set up on longeron top, and cover plate adopts plank, and thickness is 5cm, be used for resisting top hydraulic reclamation load, make load pass to basis by timber.Between axial direction adjacent studs, connect and guarantee stability with diameter 10cm round log truss.Absolute altitude is unified for-8m in the stake end, and stake top mark is high starts 0～150m for+2m to starting point, and 150～300m is+2.5m that 300～400m is+3m.Cover plate and longeron adopt self-drilling connection, and other each parts adopt harrow nail or colligation to connect, reliable to guarantee structural stability.
Because the utility model will adopt technique scheme; take safeguard structure to make the load on pipeline top be step-like classification transition; thereby between hydraulic reclamation load, pipeline institute bearing load can even transition completely to make outside construction area former surface load and inner side, construction area; effectively guarantee that pipeline large bending deflection breakthrough ultimate stress does not occur and causes pipeline damage; this method has reduced to adopt protects input a large amount of human and material resources completely; reduced again the waste of its construction plant and the energy, be a kind of be environmental protection economic method again.
The utility model construction is convenient in addition, and protection structure end face, in intertidal zone, is avoided underwater construction as far as possible, all superstructure monomer assemblings, and multibreak forms continuous productive process, can make full use of the time between tide; Ask low to labor and materials are confidential, material channel is wide, and ship machine is slightly transformed just and can be constructed, and reduces front setup time of work, workable.Economic benefit is mainly manifested in project organization and has realized in easy process conditions, under workable method of construction, submerged pipeline is formed the protection of effective and safe.Full wooden structures reduces deadweight and weakens rigidity, can guarantee the safety coefficient after work progress and completion, little on pipeline impact, has improved Security.
The above is only to preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, every foundation technical spirit of the present utility model is to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (6)
1. a shallow sea hydraulic reclamation district submerged pipeline protective gear, is characterized in that: mainly comprise soldier piles, taper pile, crossbeam, longeron and cover plate,
Wherein soldier piles are distributed in the both sides of the submerged pipeline in hydraulic reclamation district, and the one-sided row's soldier piles that are at least provided with of submerged pipeline;
In hydraulic reclamation district, be cascade layout take firm body as starting point along pipeline direction, and be to increase step by step;
On outermost soldier piles, be provided with at a certain distance one group of taper pile;
The vertical pipeline direction of upper top at soldier piles is equipped with crossbeam by fastening piece;
Be equipped with longeron along submerged pipeline direction by fastening piece in described beam surface upper;
Longeron upper surface at each ladder surface is equipped with cover plate by fastening piece.
2. hydraulic reclamation district, shallow sea according to claim 1 submerged pipeline protective gear, is characterized in that: the angle α of the vertical section of the radial direction of described taper pile and submerged pipeline is 30 °～50 °; The angle β of taper pile and the vertical section of submerged pipeline axial direction is 40 °～50 °.
3. hydraulic reclamation district, shallow sea according to claim 1 submerged pipeline protective gear, is characterized in that: described fastening piece adopts harrow nail, self tapping screw or binding structural member.
4. hydraulic reclamation district, shallow sea according to claim 1 submerged pipeline protective gear, is characterized in that: between described adjacent soldier piles, be installed with truss by fastening piece.
5. hydraulic reclamation district, shallow sea according to claim 1 submerged pipeline protective gear, is characterized in that: between described soldier piles and adjacent crossbeam, be provided with diagonal brace.
6. hydraulic reclamation district, shallow sea according to claim 1 submerged pipeline protective gear, is characterized in that: described soldier piles, taper pile, crossbeam, longeron and cover plate all adopt wooden structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730152.8U CN203614911U (en) | 2013-11-15 | 2013-11-15 | Shallow sea reclamation area submarine pipeline protection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320730152.8U CN203614911U (en) | 2013-11-15 | 2013-11-15 | Shallow sea reclamation area submarine pipeline protection device |
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| CN203614911U true CN203614911U (en) | 2014-05-28 |
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| CN201320730152.8U Withdrawn - After Issue CN203614911U (en) | 2013-11-15 | 2013-11-15 | Shallow sea reclamation area submarine pipeline protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557366A (en) * | 2013-11-15 | 2014-02-05 | 中交天航港湾建设工程有限公司 | Submarine pipeline protection device in shallow sea reclamation area |
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2013
- 2013-11-15 CN CN201320730152.8U patent/CN203614911U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557366A (en) * | 2013-11-15 | 2014-02-05 | 中交天航港湾建设工程有限公司 | Submarine pipeline protection device in shallow sea reclamation area |
| CN103557366B (en) * | 2013-11-15 | 2015-11-25 | 中交天航港湾建设工程有限公司 | A kind of submarine pipeline protection device in shallow sea reclamation area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20151125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |