CN103696399B - Shallow water enclosed area sand filling bag framework arranges method - Google Patents
Shallow water enclosed area sand filling bag framework arranges method Download PDFInfo
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- CN103696399B CN103696399B CN201310688704.8A CN201310688704A CN103696399B CN 103696399 B CN103696399 B CN 103696399B CN 201310688704 A CN201310688704 A CN 201310688704A CN 103696399 B CN103696399 B CN 103696399B
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Abstract
The invention provides a kind of shallow water enclosed area sand filling bag framework and arrange method, the method step has: enter shallow water closed area with small-sized surveying vessel and carry out unwrapping wire location, makes fill sand pocket framework external boundary with buoy; Transport and comprise the corresponding construction material of blast pipe, prefabricatedly multiplely fill sand pocket; Faces end head plugging is carried out to the blast pipe filling sand pocket used; Sand pocket will be filled arrange in order; Sand pocket blast used pipe will be filled with spitkit to be transported to precalculated position and to cast anchor fixing, place blast pipe to assigned address; From one of mire, lay geotextiles and fill sand pocket, and by the corner filling sand pocket with fill sand pocket and arrange phase colligation; Blast is treated in the laying carrying out blast pipe in above process; Hydraulic reclamation is carried out after blast ship, sand carrier are in place; Treat, to filling sand pocket hydraulic reclamation to predetermined absolute altitude, to carry out the construction of next framework.Beneficial effect is that construction ship used and material are comparatively general, and convenient construction, reduces construction costs greatly.Form of construction work is simple and easy to use, and actual operation is strong, avoids the risk falling into mire, effectively ensure that the safety of constructor.
Description
Technical field
The present invention relates to a kind of shallow water enclosed area sand filling bag framework and arrange method.
Background technology
Along with the fast development in coastal port area, also more and more higher to the requirement of port construction speed and construction technique, on this basis, quick corral and build constructional materials needed for road and construction technology and there has also been and develop faster on the soft foundation of shallow sea, low bank between fields is enclosed in current coastal port soft clay area, gear low bank between fields, core of the breakwater, roadbed encloses the more general employing sand filling bag such as low bank between fields as its primary base material, namely geosynthetics is used to make " large pocket ", high-pressure hydraulic pump mixing medium coarse sand or Extra-fine sand is adopted to charge and Quick drainage, and then form structural and technique that the is good bearing stratum of globality, this construction technology as a kind of marine traffic engineering form of construction work of maturation in the extensive use of coastal soft clay area, because this material price is cheap, processing and fabricating is convenient, overall performance is superior, speed of application is fast, be widely used in the Port Engineering Construction of coastal soft clay area, low bank between fields is enclosed from what built up at present, gear low bank between fields, the service condition of core of the breakwater, respond well.
But this kind of technique be applicable to land reclamation complete after mire gear low bank between fields, roadbed enclose low bank between fields, and the depth of water is greater than the mole of 4 meters of exposed waterses (large-scale arrange boats and ships can navigate by water construction), keeps off the enforcement of the object of construction production such as low bank between fields.Be greater than 1 meter for the depth of water, be less than mire region, 4 meters or closed shoals, this kind of technique exists that filling bag cannot be located, the unapproachable predicament of workman's constructional difficulties, construction ship.
Summary of the invention
The object of the present invention is to provide a kind of shallow water enclosed area sand filling bag framework to arrange method, it is fast that the method has speed of application, and construction quality is high, economizes on the use of funds.Make full use of the advantage that drinking water is less than the minitype motivation construction ship maneuverability of 1 meter, and select the cheap blast pipe that can reuse, simple low processing cost, utilize cursory location, make the Simple framework on bubbling through the water column, support fixing filling bag, improve and arrange efficiency.
For achieving the above object, the technical solution used in the present invention is to provide a kind of shallow water enclosed area sand filling bag framework and arranges method, and the method includes following steps:
1) enter shallow water closed area with small-sized surveying vessel and carry out unwrapping wire location, make with buoy and fill sand pocket framework external boundary;
2) transport and comprise the corresponding construction material of blast pipe, prefabricatedly multiplely fill sand pocket;
3) faces end head plugging is carried out to the blast pipe filling sand pocket used;
4) sand pocket will be filled to arrange in order;
5) sand pocket blast pipe used will be filled with spitkit and be transported to precalculated position, cast anchor fixing, place blast pipe to assigned address;
6) from one of mire, lay geotextiles and fill sand pocket, and by the corner filling sand pocket with fill sand pocket and arrange phase colligation, fill between sand pocket every 5 ~ 10 meters with the colligation of blast pipe once, colligation notices that filling the surplus left between sand pocket and blast pipe is 150 ~ 350mm;
7) in step 5) in the process of deployment of blast pipe, lay to assigned work path position, treat blast;
8) blast ship, sand carrier in place after, start to carry out hydraulic reclamation to filling sand pocket;
Treating that personnel to be onstructed carry out the construction of next framework carry out normal operation safely on this platform after to filling sand pocket hydraulic reclamation to predetermined absolute altitude, in blast process, noticing that the colligation of sand pocket and framework is filled in adjustment in time, avoids the breakage of filling sand pocket.
Effect of the present invention is that the method has following advantage:
(1) construction ship used and material are comparatively general, convenient construction.
(2) form of construction work is simple and easy to use, and actual operation is stronger.
Traditional approach for lay woven cloth, bamboo raft, bamboo basketry and geotextiles as working cushion layer on mud face, and constructor is that operating platform is constructed with working cushion layer, then manually lays geotextile bag, carries out the construction of filling sand.Because mire is softer, therefore execute-in-place difficulty, and also constructor constructs on ooze, and the danger falling into mire is comparatively large, so that there is life danger.And adopt the method, working cushion layer can be laid, adopt framework row to carry out geotextile bag to lay also more for convenience, constructor is using framework row as operating platform, avoid the risk falling into mire, and constructor and framework mining safety rope link together, more effectively ensure that the safety of constructor.Therefore the program need not be laid working cushion layer and adopt framework row to construct as platform, not only reduces construction costs greatly, and ensure that the safety of constructor.Through measuring and calculating, conventional method utilizes cost to be about 50 ~ 60 yuan/m because all material is not reproducible
2; Compared with conventional construction method, adopt the material of this method substantially all recycling, engineering cost is only 8 ~ 10 yuan/m
2, while guarantee result of use, greatly reduce cost.
Accompanying drawing explanation
Fig. 1 is that shallow water enclosed area of the present invention sand filling bag framework arranges flow chart;
Fig. 2 is that shallow water enclosed area filling sandbag framework of the present invention arranges schematic diagram;
Fig. 3 is the I-I sectional view of Fig. 2.
In figure: 1, blast pipe 2, geotextiles; 3, the faces end head plugging of sand pocket 4, back-up sand 5, blast pipe is filled; 6, the corner filling sand pocket with fill sand pocket and arrange phase colligation, centre position is every 5 ~ 10m colligation once.
Detailed description of the invention
By reference to the accompanying drawings the shallow water enclosed area of the present invention sand filling bag framework method of arranging is illustrated.
The shallow water enclosed area of the present invention sand filling bag framework method of arranging includes following steps:
1) enter shallow water closed area with small-sized surveying vessel and carry out unwrapping wire location, make the external boundary filling sand pocket framework with buoy;
2) transport and comprise the corresponding construction material of blast pipe 1, prefabricatedly multiplely fill sand pocket 3;
3) to the faces end head plugging 5 filling sand pocket 3 blast pipe 1 used;
4) sand pocket 3 will be filled to arrange in order;
5) sand pocket blast pipe used will be filled with spitkit and be transported to precalculated position, cast anchor fixing, place blast pipe to assigned address;
6) from one of mire, lay geotextiles 2 and fill sand pocket 3, and by the corner filling sand pocket with fill sand pocket and arrange phase colligation 6, fill between sand pocket 3 every 5 ~ 10 meters with blast pipe 1 colligation once, colligation notices that filling the surplus left between sand pocket 3 and blast pipe 1 is 150 ~ 350mm;
7) in step 5) in the process of deployment of blast pipe 1, lay to assigned work path position, back-up sand 4 to be blown;
8) blast ship, sand carrier in place after, start to carry out hydraulic reclamation to filling sand pocket 3;
Framework tubing employing diameter is PE or the PE-X blast pipe of 300 ~ 400, after termination Polypropylence Sheet or other material shutoff, rectangle is fixed into nylon rope or rope made of hemp colligation, because tubing dispatches from the factory specification usual single-unit standard size 15-20 rice, and geotechnique fills the modulus that sand pocket 3 processing dimension is generally 10 meters, therefore size of pipe and tubing with fill sand pocket 3 processing dimension and can mutually mate, also can according to the size field adjustment rectangular frame filling sand pocket 3, make it just in time to adapt to fill sand pocket 3, be beneficial to and effectively fixedly fill sand pocket 3.Frame size needs customized solution according to site operation, and a colligation is shaping rear reusable, can reduce material and artificial loss.Filling bag and the colligation of blast pipe also adopt the mode of nylon rope or rope made of hemp colligation, this mode is simple and easy to use, after blast construction starts, the relative altitude of very convenient adjustment filling bag and blast pipe, the corner of filling bag rectangle and with framework blast pipe used every 5-10 rice colligation one place, lashing location quantity is too much unsuitable, so that blast construction period, workman adjusts its height in time.
Treat to filling the back-up sand 4 of sand pocket 3 hydraulic reclamation to predetermined absolute altitude, personnel to be onstructed carry out the construction of next framework carry out normal operation safely on this platform after, note the colligation of adjustment blast bag and framework in time, avoid the breakage of filling sand pocket 3 in blast process.
If Fig. 2 is single-unit construction schematic diagram, in Fig. 1: L1, L2 represent the length of PE blast pipe or PE-X blast pipe 1, single-unit length is 15 ~ 20m, can increase joint number or adjustment length according to actual requirement.D represents in two pipes and fills sand pocket 3 width, generally at 30 ~ 50m, customizes according to construction condition.
As shown in Figure 3, this method is that selection is considered to reduce cost, construction technology in conjunction with blast filling bag is gathered materials on the spot, compare through test of many times and select idle blast pipeline, this kind of tubing mostly is unit in charge of construction and has by oneself, need not invest specially and purchase, construction cost can be saved, be generally diameter 300-400mm, its material is PE or PE-X, for increasing tubing buoyancy, uses Polypropylence Sheet by airtight for tubing both sides shutoff, still can increase buoyancy by place mat foam cushion block under tubing, and then increase its supporting capacity at the water surface.The blast pipe 1 of PE pipe or PE-X pipe can continue splicing along upper figure and extend.Should personnel protection be noted in geotextile laying process, avoid falling into mire.
Shallow water enclosed area of the present invention sand filling bag framework method of arranging specifically is achieved in that
1. locate
According to field condition and the preliminary dimension of filling sand pocket 3 and blast pipe 1, corresponding spitkit is adopted to make framework outer edge at construction area buoy.
2. the selecting of ship
According to actual conditions and the on-the-spot drinking water of job site, reasonable selection spitkit, needs locate necessarily boats and ships and cast anchor simultaneously, ensures accuracy and the stability of vessel position.
3. operating sequence is as shown in Figure 1:
1) enter shallow water closed area with small-sized surveying vessel and carry out unwrapping wire location, make with buoy and fill sand pocket 3 framework external boundary;
2) transport and comprise the corresponding construction material of blast pipe 1, prefabricatedly multiplely fill sand pocket 3;
3) faces end head plugging is carried out to filling sand pocket 3 blast pipe used 1;
4) sand pocket 3 will be filled to arrange in order;
5) sand pocket 3 blast pipe used will be filled with spitkit and be transported to precalculated position, cast anchor fixing, place blast pipe to assigned address;
6) from one of mire, lay geotextiles 2 and fill sand pocket 3, and by the corner filling sand pocket with fill sand pocket and arrange phase colligation 6, fill between sand pocket 3 every 5 ~ 10 meters with blast pipe 1 colligation once, colligation notices that filling the surplus left between sand pocket 3 and blast pipe 1 is 150 ~ 350mm;
7) in step 5) in the process of deployment of blast pipe 1, lay to assigned work path position, back-up sand 4 to be blown;
8) blast ship, sand carrier in place after, start to carry out hydraulic reclamation to filling sand pocket 3;
Treat to filling the back-up sand 4 of sand pocket 3 hydraulic reclamation to predetermined absolute altitude, personnel to be onstructed carry out the construction of next framework carry out normal operation safely on this platform after, note the colligation of adjustment blast bag and framework in time, avoid the breakage of filling sand pocket 3 in blast process.
4. position control method
Ship's fix method: with GPS navigation system.Positioned by special survey crew, transit can be established to check on land if desired.
5. quality control standard
Field position is checked, to guarantee the accurate of construction area.
6. framework arranges key points for operation
1), at shallow water mire, spitkit buoy is first utilized to position; Boats and ships carry to be thrown in relevant position by complete for shutoff diameter 300 or 400PE pipe or the blast pipe 1 of PE-X pipe, forms cross frame, as blast pipe 1 buoyancy is inadequate, should corresponding place mat foam cushion block or floating drum to increase its bearing capacity in water;
2), with nylon rope or rope made of hemp colligation pipeline form rectangle, according to actual condition adjustment rectangular aspect, make it and machine that to fill sand pocket size consistent.
3), after framework colligation, fill sand pocket 3 and carry out volume paving from mire side, the corner filling sand pocket after volume paving with fill sand pocket and arrange phase colligation 6, with nylon rope or rope made of hemp colligation, fill every 5 ~ 10m rope and blast pipe 1 colligation between sand pocket 3, colligation quantity is too much unsuitable, and colligation should be allowed some leeway.
4), after colligation, adopt the plastics hose of caliber 100-150mm to carry out blast to filling bag 3, initial blast is unsuitable too fast, avoids filling sand pocket breakage.
5), in stowing operation, note the sedimentation of filling sand pocket, adjustment in time fills the colligation of sand pocket and surrounding blast pipe 1, to guarantee that filling sand pocket sinks smoothly;
6), one fill after sand pocket 3 is full of, treat that it can be used as working platform, meet after personnel stand and transport pipeline, sequentially can carry out the construction of next framework.
7. shutoff process
With Polypropylence Sheet or Plastic cap, shutoff is carried out to pipe end at the scene, ensure blast pipe 1 seal of PE pipe or PE-X pipe.
Claims (1)
1. shallow water enclosed area sand filling bag framework arranges a method, and the method includes following steps:
1) enter shallow water closed area with small-sized surveying vessel and carry out unwrapping wire location, make with buoy and fill sand pocket framework external boundary;
2) transport and comprise the corresponding construction material of blast pipe, prefabricatedly multiplely fill sand pocket;
3) faces end head plugging is carried out to the blast pipe filling sand pocket framework used;
4) sand pocket framework will be filled to arrange in order;
5) sand pocket framework blast pipe used will be filled with spitkit and be transported to precalculated position, cast anchor fixing, place blast pipe to assigned address;
6) from one of mire, lay geotextiles and fill sand pocket, and will the corner of sand pocket and the colligation of blast pipe phase be filled, fill between sand pocket every 5 ~ 10 meters with the colligation of blast pipe once, colligation notices that filling the surplus left between sand pocket and blast pipe is 150 ~ 350mm;
7) in step 5) lay blast pipe, lay to assigned work path position, treat blast;
8) blast ship, sand carrier in place after, start to carry out hydraulic reclamation to filling sand pocket;
Treating that personnel to be onstructed carry out the construction of next framework carry out normal operation safely on this platform after to filling sand pocket hydraulic reclamation to predetermined absolute altitude, in blast process, noticing that the colligation of sand pocket and framework is filled in adjustment in time, avoids the breakage of filling sand pocket.
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| CN103911931A (en) * | 2014-04-23 | 2014-07-09 | 上海市基础工程集团有限公司 | Sand-blowing filled bag construction road technology |
| CN104652367B (en) * | 2015-02-15 | 2016-09-21 | 中交上航局航道建设有限公司 | A kind of construction method laying Dam Approach with Big Bag sand quilt in mud district |
| CN104878792B (en) * | 2015-05-28 | 2018-01-16 | 中交一航局第二工程有限公司 | Immersed tube tunnel bedding rigid frame posture geotextiles cover anti-silting system and method |
| CN106149738B (en) * | 2016-08-22 | 2018-08-14 | 中交天航港湾建设工程有限公司 | A kind of device and construction method setting filling bag based on enclosed waters positioning pipe row |
| CN107288172A (en) * | 2017-05-24 | 2017-10-24 | 中交天航滨海环保浚航工程有限公司 | One kind, which is twisted, inhales ship sand storage for sand clay separation construction technology |
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| CN2876178Y (en) * | 2006-07-25 | 2007-03-07 | 中国水利水电科学研究院 | Ladder shaped sand filling pipe bag soft body row |
| TW201209247A (en) * | 2010-08-24 | 2012-03-01 | Gold Joint Ind Co Ltd | Geotextile tube with radial reinforcement |
| CN102953390B (en) * | 2011-08-26 | 2015-09-30 | 中国二十冶集团有限公司 | The dredge fill boundary cofferdam reinforcement means in deep & thick silt region near water |
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Address after: 300456 No. 11, Xingang Banyi street, Tanggu, Binhai New Area, Tianjin Patentee after: Tianjin Jingang Construction Co.,Ltd. Address before: 300456, 11, Xingang medical street, Tanggu District, Tianjin Patentee before: TIANJIN PORT CONSTRUCTION Co. |