CN103696399A - Method for laying sand filling bag frames in shallow water closed area - Google Patents
Method for laying sand filling bag frames in shallow water closed area Download PDFInfo
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- CN103696399A CN103696399A CN201310688704.8A CN201310688704A CN103696399A CN 103696399 A CN103696399 A CN 103696399A CN 201310688704 A CN201310688704 A CN 201310688704A CN 103696399 A CN103696399 A CN 103696399A
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Abstract
The invention provides a method for laying sand filling bag frames in a shallow water closed area. The method comprises the following steps: performing pay-off positioning through a small surveying vessel in the shallow water closed area, and determining the outer boundary of a sand filling bag frame through a buoy; transporting corresponding construction materials including sand blowing pipes, and prefabricating a plurality of sand filling bags; blocking the ends of the sand blowing pipes used for the sand filling bags; laying the sand filling bags in sequence; transporting the sand blowing pipes used for the sand filling bags to a predetermined position through a small vessel, performing anchorage and fixation, and placing the sand blowing pipes at a designated position; starting to lay geotechnical cloth and the sand filling bags from one side of a bog, and binding four corners of the sand filling bags with a sand filling bag row; laying the sand blowing pipes to wait for sand blowing in the process; putting a sand blowing vessel and a sand transporting vessel in place, and then performing blowing and filling; blowing and filling sands to the sand filling bags to reach predetermined elevation, and then performing the construction of the next frame. The method has the beneficial effects that the adopted construction vessels and the materials are relatively common, the construction is convenient, and the engineering cost is greatly reduced. The construction mode is simple, easy to operate and high in practical operability, the risk of falling into the bog is avoided, and the safety of a constructor is effectively guaranteed.
Description
Technical field
The present invention relates to a kind of shallow water enclosed area sand filling bag framework and arrange method.
Background technology
Fast development along with coastal port area, requirement to port construction speed and construction technique is also more and more higher, on this basis, quick corral and build the required constructional materials of road and construction technology has also had development faster on the soft foundation of shallow sea, low bank between fields is enclosed in coastal port soft clay area at present, 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 main foundation material, use geosynthetics to make " large pocket ", adopt high-pressure hydraulic pump mixing medium coarse sand or powder fine sand to charge and Quick drainage, and then form the structural and technique 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, from the low bank between fields that encloses having built up at present, gear low bank between fields, the service condition of core of the breakwater, respond well.
But this kind of technique is applicable to land reclamation after completing mire gear low bank between fields, roadbed enclose low bank between fields, and the depth of water be greater than 4 meters of exposed waterses (large-scale arrange boats and ships can navigate by water construction) mole, keep off the enforcement of the object of construction production such as low bank between fields.For the depth of water, be greater than 1 meter, be less than 4 meters or sealing mire region, shoal, this kind of technique exists that filling bag cannot be located, workman's constructional difficulties, the unapproachable predicament of 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, the Simple framework of making on bubbling through the water column, supports fixedly filling bag, has improved and has arranged 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) with small-sized surveying vessel, enter shallow water closed area and carry out unwrapping wire location, with buoy, make and fill sand pocket framework external boundary;
2) transport the corresponding construction material that comprises blast pipe, prefabricated a plurality of sand pockets that fill;
3) to filling sand pocket blast pipe used, carry out faces end head plugging;
4) will fill sand pocket arranges in order;
5) with spitkit, will fill sand pocket blast pipe used and be transported to precalculated position, cast anchor fixing, place blast pipe to assigned address;
6) from mire starts to lay geotextiles and fills sand pocket, and by fill four jiaos of sand pocket with fill the colligation of sand pocket row phase, fill between sand pocket every 5～10 meters with the colligation of blast pipe once, above operation notes leaving the surplus of 150～350mm;
7) in said process, carry out the laying 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;
Treat that, to filling sand pocket hydraulic reclamation to predetermined absolute altitude, personnel to be onstructed safety on this platform carries out, after normal operation, carrying out the construction of next framework, notes adjusting in time the colligation of blast bag and framework, the breakage of avoiding filling sand pocket in blast process.
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 is for to lay woven cloth, bamboo raft, bamboo basketry and geotextiles as working cushion layer on mud face, and constructor be take working cushion layer and constructed as operating platform, then manually lays geotextile bag, the construction of filling sand.Because mire is softer, so execute-in-place difficulty, and constructor constructs on ooze, and the danger that falls into mire is larger, so that there is life danger.And employing the method, can lay working cushion layer, adopt framework row to carry out geotextile bag laying also more for convenience, constructor is usingd framework row as operating platform, avoided falling into the risk of mire, and constructor and framework mining link together with safety rope, more effectively guaranteed constructor's safety.Therefore this scheme need not be laid working cushion layer and be adopted framework row to construct as platform, not only reduces greatly construction costs, and has guaranteed constructor's safety.Through measuring and calculating, conventional method utilizes cost to be about 50～60 yuan/m because all material is not reproducible
2; Compare with conventional construction method, adopt the material of this method substantially all recycling, engineering cost is only 8～10 yuan/m
2, when guaranteeing result of use, greatly reduced cost.
Accompanying drawing explanation
Fig. 1 is that shallow water of the present invention enclosed area sand filling bag framework is arranged flow chart;
Fig. 2 is that shallow water of the present invention enclosed area filling sandbag framework is arranged 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 filling bag 4, back-up sand 5, blast pipe; 6, arrange phase colligation with filling sand pocket for four jiaos that fill sand pocket, centre position every 5～10m colligation once.
The specific embodiment
By reference to the accompanying drawings the shallow water of the present invention enclosed area sand filling bag framework method of arranging is illustrated.
The shallow water of the present invention enclosed area sand filling bag framework method of arranging includes following steps:
1) with small-sized surveying vessel, enter shallow water closed area and carry out unwrapping wire location, with buoy, make the external boundary that fills sand pocket framework;
2) transport the corresponding construction material that comprises blast pipe 1, prefabricated a plurality of sand pockets 3 that fill;
3) to filling the faces end head plugging 5 of sand pocket 3 blast pipe 1 used;
4) will fill sand pocket 3 arranges in order;
5) with spitkit, will fill sand pocket blast pipe used and be transported to precalculated position, cast anchor fixing, place blast pipe to assigned address;
6) from mire starts to lay geotextiles 2 and fills sand pocket 3, and by fill four jiaos of sand pocket 3 with fill sand pocket row phase colligation 6, fill between sand pocket 3 every 5～10 meters with 1 colligation of blast pipe once, above operation notes leaving the surplus of 150～350mm;
7) in said process, carry out the laying 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 adopts PE or the PE-X blast pipe that diameter is 300～400, termination is with after Polypropylence Sheet or other material shutoff, with nylon rope or rope made of hemp colligation, be fixed into rectangle, due to the tubing common single-unit standard size of the specification 15-20 rice that dispatches from the factory, and geotechnique fills sand pocket 3 processing dimensions and is generally the modulus of 10 meters, therefore size of pipe and tubing with fill sand pocket 3 processing dimensions and can mutually mate, also can be according to the on-the-spot rectangular frame of adjusting of the size of filling sand pocket 3, make it just in time to adapt to and fill sand pocket 3, be beneficial to and effectively fixedly fill sand pocket 3.Frame size needs customized solution according to site operation, reusable after a colligation moulding, 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, four jiaos of filling bag rectangle and with framework blast pipe used every 5-10 rice colligation one place, lashing location quantity is unsuitable too much, so that blast construction period, workman adjusts its height in time.
Treat to filling sand pocket 3 hydraulic reclamation back-up sands 4 to predetermined absolute altitude, personnel to be onstructed safety on this platform carries out, after normal operation, carrying out the construction of next framework, notes adjusting in time the colligation of blast bag and framework, the breakage of avoiding 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 adjust length according to actual requirement.D represents filling bag 3 width in two pipes, generally at 30～50m, according to construction condition, customizes.
As shown in Figure 3, this method is that selection considers to reduce cost, construction technology in conjunction with blast filling bag is gathered materials on the spot, through test of many times, relatively select idle blast pipeline, this kind of tubing mostly is unit in charge of construction and has by oneself, needn't invest and purchase specially, can save construction cost, be generally diameter 300-400mm, its material is PE or PE-X, for increasing tubing buoyancy, uses Polypropylence Sheet by the airtight shutoff in tubing both sides, under tubing, still can increase buoyancy by place mat foam cushion block, and then increase it in the supporting capacity of the water surface.The blast pipe 1 of PE pipe or PE-X pipe can continue splicing along upper figure and extend.In geotextile laying process, should note personnel protection, avoid falling into mire.
The shallow water of the present invention enclosed area sand filling bag framework method of arranging is specifically achieved in that
1. locate
Preliminary dimension according to field condition and filling bag 3 and blast pipe 1, adopts corresponding spitkit with buoy, to make framework outer edge at construction area.
2. ship selects
According to the actual conditions of job site and on-the-spot drinking water, reasonable selection spitkit needs boats and ships locate necessarily and cast anchor simultaneously, guarantees accuracy and the stability of vessel position.
3. operating sequence is as shown in Figure 1:
1) with small-sized surveying vessel, enter shallow water closed area and carry out unwrapping wire location, with buoy, make and fill sand pocket 3 framework external boundaries;
2) transport the corresponding construction material that comprises blast pipe 1, prefabricated a plurality of sand pockets 3 that fill;
3) to filling sand pocket 3 blast pipe used 1, carry out faces end head plugging;
4) will fill sand pocket 3 arranges in order;
5) with spitkit, will fill sand pocket 3 blast pipe used and be transported to precalculated position, cast anchor fixing, place blast pipe to assigned address;
6) from mire starts to lay geotextiles 2 and fills sand pocket 3, and by fill four jiaos of sand pocket 3 with the 1 phase colligation 6 of blast pipe, fill between sand pocket 3 every 5～10 meters with 1 colligation of blast pipe once, above operation notes leaving the surplus of 150～350mm;
7) in said process, carry out the laying 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 sand pocket 3 hydraulic reclamation back-up sands 4 to predetermined absolute altitude, personnel to be onstructed safety on this platform carries out, after normal operation, carrying out the construction of next framework, notes adjusting in time the colligation of blast bag and framework, the breakage of avoiding filling sand pocket 3 in blast process.
4. position control method
Ship's fix method: be equipped with GPS navigation system.By special survey crew, positioned, can establish on land if desired transit and check.
5. quality control standard
Field position is checked, to guarantee the accurate of construction area.
6. framework is arranged key points for operation
1), at shallow water mire, first utilize spitkit to position with buoy; Boats and ships carry throws in the blast pipe 1 of the complete diameter 300 of shutoff or 400PE pipe or PE-X pipe to relevant position, forms cross frame, as inadequate in blast pipe 1 buoyancy, answers 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, adjust rectangle length and width, make it and machine that to fill sand pocket size consistent.
3), after framework colligation, fill sand pocket 3 and roll up paving from mire one side, after volume paving, fill four jiaos of sand pocket 3 with the 1 phase colligation 6 of blast pipe, with nylon rope or rope made of hemp colligation, fill between sand pocket 3 every rope and the colligation of blast pipe for 5～10m, colligation quantity is unsuitable too much, 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 fill sand pocket, adjust in time the colligation of filling sand pocket and surrounding blast pipe 1, to guarantee that filling sand pocket sinks smoothly;
6), one fill sand pocket 3 and be full of after, treat that it can be used as working platform, meet personnel and stand and transport after pipeline, can sequentially carry out the construction of next framework.
7. shutoff is processed
With Polypropylence Sheet or Plastic cap, pipe end is carried out to shutoff at the scene, guarantee blast pipe 1 seal of PE pipe or PE-X pipe.
Claims (1)
1. shallow water enclosed area sand filling bag framework is arranged a method, and the method includes following steps:
1) with small-sized surveying vessel, enter shallow water closed area and carry out unwrapping wire location, with buoy, make and fill sand pocket framework external boundary;
2) transport the corresponding construction material that comprises blast pipe, prefabricated a plurality of sand pockets that fill;
3) to filling sand pocket framework blast pipe used, carry out faces end head plugging;
4) will fill sand pocket framework arranges in order;
5) with spitkit, will fill sand pocket framework blast pipe used and be transported to precalculated position, cast anchor fixing, place blast pipe to assigned address;
6) from mire starts to lay geotextiles and fills sand pocket, and by fill four jiaos of sand pocket with fill the colligation of sand pocket framework row phase, fill between sand pocket every 5～10 meters with the colligation of blast pipe once, above operation notes leaving the surplus of 150～350mm;
7) in said process, carry out the laying 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;
Treat that, to filling sand pocket hydraulic reclamation to predetermined absolute altitude, personnel to be onstructed safety on this platform carries out, after normal operation, carrying out the construction of next framework, notes adjusting in time the colligation of blast bag and framework, the breakage of avoiding filling sand pocket in blast process.
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| CN201310688704.8A CN103696399B (en) | 2013-12-12 | 2013-12-12 | Shallow water enclosed area sand filling bag framework arranges method |
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| CN201310688704.8A CN103696399B (en) | 2013-12-12 | 2013-12-12 | Shallow water enclosed area sand filling bag framework arranges method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104652367A (en) * | 2015-02-15 | 2015-05-27 | 中交上航局航道建设有限公司 | Construction method for paving large-scale bagged sand quilt in silt region |
| CN104878792A (en) * | 2015-05-28 | 2015-09-02 | 中交一航局第二工程有限公司 | Rigid frame-type geotextile covering silt prevention system and method of immersed tunnel foundation bed |
| CN106149738A (en) * | 2016-08-22 | 2016-11-23 | 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 location bank of tubes |
| 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104652367A (en) * | 2015-02-15 | 2015-05-27 | 中交上航局航道建设有限公司 | Construction method for paving large-scale bagged sand quilt in silt region |
| CN104878792A (en) * | 2015-05-28 | 2015-09-02 | 中交一航局第二工程有限公司 | Rigid frame-type geotextile covering silt prevention system and method of immersed tunnel foundation bed |
| 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 |
| CN106149738A (en) * | 2016-08-22 | 2016-11-23 | 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 location bank of tubes |
| 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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|---|---|
| CN103696399B (en) | 2015-09-30 |
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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. |