CN103485356A - Overwater laying frame and method for filling sand pockets with same - Google Patents
Overwater laying frame and method for filling sand pockets with same Download PDFInfo
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- CN103485356A CN103485356A CN201310460216.1A CN201310460216A CN103485356A CN 103485356 A CN103485356 A CN 103485356A CN 201310460216 A CN201310460216 A CN 201310460216A CN 103485356 A CN103485356 A CN 103485356A
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Abstract
The invention discloses an overwater laying frame and a method for filling sand pockets with the overwater laying frame. The overwater laying frame is used for the field of hydraulic structures and comprises a main frame capable of floating on the water surface. When the overwater laying frame is utilized for filling the sand pockets to form a cofferdam, the filling pockets are spread and are fixed to a stand rod at the inner edge of the main frame, sand is filled into the filling pockets to ensure that the filling pockets sink into the water bottom along the stand rod, and therefore the filling pockets are continuously stacked to form the cofferdam. Being adopted to form the cofferdam, the overwater laying frame and the method for filling the sand pockets with the overwater laying frame prevent laying ships used in traditional methods from being used, save cost, and provide a new method for forming cofferdams under the working conditions in shallow water.
Description
Technical field
The present invention is for the hydraulic architecture field, particularly relates to a kind ofly waterbornely arranging frame and utilizing this waterbornely to arrange the cofferdam method that frame is filled sand pocket.
Background technology
Cofferdam refers in hydraulic engineering construction, for building permanent water conservancy projects, and the provisional space enclosing structure of building.Its effect is to prevent that water and soil from entering the position of building of building, so that at the cofferdam internal drainage, excavation pit, build building.Generally be mainly used in hydraulic architecture, except the part as formal building, generally remove after being finished in cofferdam.
Cofferdam can be divided into polytype according to the difference of construction material, and wherein the cofferdam form of sand filling bag is comparatively applied wider in hydraulic architecture.Existing sand filling bag cofferdam technique adopts the mode of being constructed with Working Ships to carry out moulding mostly, but there is shortcomings in the use of Working Ships.At first, due to the Working Ships negligible amounts, make Working Ships dispatch expense and lease expenses is high; Secondly, Working Ships is had relatively high expectations to tide water level, and only, after meeting the tidal level that the depth of water is 4 meters left and right, construction could be carried out smoothly, and this engineering more shallow to tidal level is a Bottleneck Restrictions.
Summary of the invention
For addressing the above problem, the invention provides and a kind ofly meet that the shallow cofferdam moulding of depth of water needs are cost-saving again waterbornely to be arranged frame and utilize this waterbornely to arrange the cofferdam method that frame is filled sand pocket.
The technical solution adopted for the present invention to solve the technical problems is: a kind of frame of arranging waterborne, and comprise a floatability on the water surface and can strut the main frame of filling bag, be provided with some montants that insert in the water body of below along interior edge or the outside of main frame.
Be further used as the improvement of technical solution of the present invention, be provided with some main frames that make along main frame and swim in the flotation gear on the water surface, main frame is formed by connecting in turn by some unit frameworks first place, and unit framework comprises two parallel girders that arrange and the web member of two girders of some connections.
Be further used as the improvement of technical solution of the present invention, main frame is rectangular, and each unit framework forms rectangular frame by two girders and two web members that are positioned at two girder two ends, and each unit framework is equipped with connector in four angle points outsides of rectangular frame.
Be further used as the improvement of technical solution of the present invention, the corner angle of connector for being fixedly connected with rectangular frame, be equipped with some connecting bolts hole on each corner angle.
Be further used as the improvement of technical solution of the present invention, the steel pipe that girder is Φ 80mm, the steel pipe that web member is Φ 20mm.
The present invention also provides a kind of above-mentioned cofferdam method that frame is filled sand pocket of arranging waterborne that utilizes, and it is characterized in that, comprises the following steps:
A. preparation of construction: make frame and the filling bag of arranging waterborne;
B. the frame of arranging waterborne is located: station keeping ship casts anchor in place, the frame of arranging waterborne is fixed in to the location hull, more accurately locates;
C. lay filling bag: filling bag is arranged in frame and launched on the water, then each montant is passed to each filling bag edge, make filling bag keep deployed condition and be fixed in main frame;
D. the sand ship is in place;
E. filling bag filling, sinking: the sand material on the sand ship is filled in filling bag, and filling bag sinks under water along montant under the effect of sand material;
F. continuous-flow type construction: pack up the frame of arranging waterborne, the running fix ship is to next construction location, and repeating step B～E, until the stacking formation of filling bag cofferdam.
Be further used as the improvement of technical solution of the present invention, filling bag comprises bag, some by the emersed cuff of bag and some handles that is located at the filling bag edge.
Be further used as the improvement of technical solution of the present invention, after in step B, station keeping ship enters construction location, head and the tail all descend crossed anchor, commander's windlass hand control strand anchor, preliminary running fix ship makes the frame sideline of arranging waterborne near the filling bag embankment sideline, then utilizing RTK to carry out the line setting-out accurately locates, by slowly repeatedly regulating, determine exact position.
Be further used as the improvement of technical solution of the present invention, in step C, the top of montant tilts to the frame outside of arranging waterborne, and insert in water-bed mud face the montant bottom.
Be further used as the improvement of technical solution of the present invention, after step D medium sand ship is in place, be fixed in described station keeping ship.
Beneficial effect of the present invention: the invention provides a kind of frame of arranging waterborne, comprise the main frame of a floatability on the water surface, utilize this frame of arranging waterborne to be filled sand pocket while forming cofferdam, filling bag is launched and is fixed on the montant on edge in main frame, by back-up sand material in filling bag, filling bag is sunk under water along montant, thereby by the continuous stacking formation cofferdam of filling bag, of the present inventionly waterbornely arrange frame and utilize this frame of arranging waterborne to fill cofferdam method of sand pocket and carry out the cofferdam moulding by utilizing, avoid the use of Working Ships in conventional method, thereby cost-saving, also for cofferdam moulding under the more shallow operating mode of the depth of water, new approaches are provided simultaneously.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the present invention's frame example structure top view of arranging waterborne;
Fig. 2 is the present invention's frame example structure front view of arranging waterborne;
Fig. 3 is the present invention's frame embodiment unit frame structure schematic diagram of arranging waterborne;
To be that the present invention is waterborne arrange syndeton schematic diagram between frame embodiment unit framework to Fig. 4;
Fig. 5 is that the present invention frame embodiment that arranges waterborne lays and fills the sand pocket structural representation;
Fig. 6 is that the present invention utilizes the cofferdam method construction front view that frame is filled sand pocket of arranging waterborne;
Fig. 7 is that the present invention utilizes the process chart that frame is filled the cofferdam method of sand pocket of arranging waterborne;
Fig. 8 is that the present invention utilizes the cofferdam method construction front view that frame is filled sand pocket of arranging waterborne;
Fig. 9 is the cofferdam schematic cross-section obtained after construction.
The specific embodiment
With reference to Fig. 1～Fig. 4, the invention provides a kind of frame of arranging waterborne, comprise a floatability on the water surface and can strut the main frame 2 of filling bag 1, along interior edge or the outside of main frame 2, be provided with some montants 3 that insert in the water body of below, the position of montant 3 can be adjusted as required, disassembles conveniently.
Utilize this frame of arranging waterborne to be filled sand pocket while forming cofferdam, filling bag 1 is launched and is fixed on the montant 3 on main frame 2 interior edges, by to the interior back-up sand material of filling bag 1, filling bag is sunk under water along montant 3, thereby by the continuous stacking formation cofferdam of filling bag 1, by utilizing the frame of arranging waterborne of the present invention to carry out the cofferdam moulding, avoid the use of Working Ships in conventional method, thus cost-saving, also for cofferdam moulding under the more shallow operating mode of the depth of water, provide new approaches simultaneously.
As the preferred embodiment of the present invention, be provided with some main frames 2 that make along main frame 2 and swim in the flotation gear 21 on the water surface, flotation gear 21 is preferably the floating cylinder of lightweight, main frame 2 is formed by connecting in turn by some unit frameworks 4 first places, and unit framework 4 comprises two parallel girders 41 that arrange and the web member 42 of two girders 41 of some connections.
The length of unit framework 4 can be selected multiple according to specific needs, the unit framework 4 that adopts length not wait carries out first place and connects in turn to form main frame 2, purpose is for the ease of disassembling, be adapted to filling bag 1 construction of different size, when meeting the construction intensity needs, can to arranging frame, be reequiped easily again, be convenient to better control the expansion of filling bag 1, location and sinking, the structure setting of the web member 42 of two parallel girders 41 and two girders 41 of some connections, make whole main frame 2 can under the complicated active forces such as water wave, keep basicly stable, floating cylinder guarantees that this frame of arranging waterborne can bubble through the water column.
As the preferred embodiment of the present invention, main frame 2 is rectangular, and each unit framework 4 forms rectangular frame by two girders 41 and two web members 42 that are positioned at two girder 41 two ends, and each unit framework 4 is equipped with connector in four angle points outsides of rectangular frame.
The corner angle 43 of connector for being fixedly connected with rectangular frame, be equipped with some connecting bolts hole 44 on each corner angle 43.
As the preferred embodiment of the present invention, the steel pipe that girder 41 is Φ 80mm, the steel pipe that web member 42 is Φ 20mm.
Concrete: adopt Φ 80mm steel pipe to do girder 41, Φ 20mm steel pipe is made web member 42 and is connected girders 41, and thickness and the material selection of girder 41 and web member 42, can be adjusted according to the effect size of wave, current certainly, allly meets the rigidity condition requirement and all can.For meeting easy-to-dismount needs, Φ 80mm steel pipe is made to three kinds of different length, be respectively 1m, 2m and 3m length.
Also provide a kind of above-mentioned cofferdam method that frame is filled sand pocket of arranging waterborne that utilizes with reference to Fig. 5～Fig. 9 the present invention, comprised the following steps:
A. preparation of construction: make frame and the filling bag 1 of arranging waterborne;
B. the frame of arranging waterborne is located: station keeping ship casts anchor in place, the described frame of arranging waterborne is fixed in to station keeping ship 5 bodies, more accurately locates;
C. lay filling bag 1: filling bag 1 is arranged in frame and launched on the water, and during expansion, direction is preferably along water (flow) direction, to save manpower, raise the efficiency, then each montant 3 is passed to each filling bag 1 edge, make filling bag 1 keep deployed condition and be fixed in main frame 2;
D. sand ship 6 is in place;
E. filling bag 1 filling, sinking: the sand material on sand ship 6 is filled in filling bag 1, and filling bag 1 sinks under water along montant 3 under the effect of sand material;
F. continuous-flow type construction: pack up the frame of arranging waterborne, running fix ship 5 is to next construction location, and repeating step B～E, until the stacking formation of filling bag 1 cofferdam.
By utilizing said method to carry out the cofferdam moulding, avoid the use of Working Ships in conventional method, thereby cost-saving, simultaneously also for cofferdam moulding under the more shallow operating mode of the depth of water provides new approaches, the present invention has overcome the more severe difficult problem of execution conditions.The selection of new technology, played vital effect to the saving of construction cost.The successful utilization of this technique shows, in the low water stage condition, in the general coastal waters construction of wave condition, has broad application prospects and market prospects.
As the preferred embodiment of the present invention, the filling bag 1 of making comprises bag, some by the emersed cuff 11 of bag and some handles that is located at filling bag 1 edge.
Concrete: according to the design drawing requirement, determine the pattern that sews up of filling bag 1 size and filling bag 1 geotextiles used.Filling bag 1 can be made into tubular, and size adds and moves back a grade size with the size of the different elevations of rib body section.In bag fill cross-sectional direction size, with elevation, change, and the longitudinal section size is beneficial to make and easy construction is advisable, generally at 20～50m.The layout of the cuff 11 of every filling bag 1 is blossom type, is convenient to even back-up sand, and the quantity of cuff 11 is definite according to filling bag 1 size, and general every 5m～10m establishes one, and the length of cuff 11 is advisable with the 20cm～30cm that can emerge.Using waterbornely while arranging the frame construction, for filling bag 1 is made handle, for fixing filling bag 1, making it along montant 3 sinkings, effectively guarantee the accuracy of construction location, handle is made according to stressed needs, generally every 1～3m, makes one, convenient fixedly filling bag 1.Be sewed with two kinds of methods, fourth seam and overseam, can determine according to design drawing.Also to make the Special-shaped bag that length is different, lay for adjacent two layers sand pocket end, avoid occurring straight joint.
As the preferred embodiment of the present invention, after in step B, station keeping ship 5 enters construction location, head and the tail all descend crossed anchor, commander's windlass hand control strand anchor, preliminary running fix ship 5 makes the frame sideline of arranging waterborne near filling bag 1 fill sideline, then utilizing RTK to carry out the line setting-out accurately locates, by slowly repeatedly regulating, determine exact position.
Station keeping ship 5 be used in conjunction with the construction control that is conducive to engineering, purpose is exactly for stable strand anchor, overcome wind wave action, be convenient for measuring location, utilize the hoist engine on station keeping ship 5 to sprawl filling bag 1 simultaneously, mechanical execution, save manpower, in addition, select lower crossed anchor mode, reduce anchorage desired zone scope, facilitating other ship also to prevent from the filling bag 1 of filling is caused damage near in operation.
As the preferred embodiment of the present invention, in step C, the frame outside is arranged to waterborne in the top of montant 3, to facilitate filling bag 1, along montant 3, glides, and insert in water-bed mud face montant 3 bottoms, thereby can bear the pulling force of filling bag 1 and can not be shifted.
As the preferred embodiment of the present invention, after step D medium sand ship 6 is in place, be fixed in station keeping ship 5.
As the preferred embodiment of the present invention, in step e during filling bag 1 filling, first selected 4 close 1 bag of angle cuffs 11 of filling bag and 4 filling bag 1 are than the cuff of center 11, selected cuff 11 is firm with the sand delivering pipeline socket of sand ship 6, carry out the filling construction, first open the sediment transport pipe control valve of bag position, angle, after filling bag 1 position is fixed substantially, then the sediment transport pipe control valve of open fill bag 1 center.During filling, keep other cuff 11 exits unobstructed, can carry out smoothly drainage exhaust.Simultaneously, note often adjusting sediment transport pipe sand export direction, prevent bag in stowing operation because of the unbalance stress distortion that is shifted, filling reach a certain amount of after, the bag position is basicly stable, adjusts and respectively remains the continuation filling of cuff position, and filling bag 1 filling thickness general control is at 40cm～50cm.The back-up sand amount substantially reach idealized after, the thickness that carries out filling bag 1 detects, if do not reach requirement, continues to select the cuff 11 of relevant position to carry out filling.Until reach idealized thickness.
As the preferred embodiment of the present invention, in step e, F, after sand ship 6 makes filling bag 1 stable to the interior back-up sand material of filling bag 1, can be by waterbornely arranging frame, sand ship 6 separates with station keeping ship 5, and station keeping ship 5 is moved to next construction location in advance.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (10)
1. the frame of arranging waterborne is characterized in that: comprise a floatability on the water surface and can strut the main frame of filling bag, along interior edge or the outside of described main frame, be provided with some montants that insert in the water body of below.
2. the frame of arranging waterborne according to claim 1, it is characterized in that: along described main frame, be provided with and somely make described main frame swim in the flotation gear on the water surface, described main frame is formed by connecting in turn by some unit frameworks first place, and described unit framework comprises two parallel girders that arrange and the web member of two described girders of some connections.
3. the frame of arranging waterborne according to claim 2, it is characterized in that: described main frame is rectangular, each described unit framework forms rectangular frame by two girders and two web members that are positioned at two girder two ends, and each described unit framework is equipped with connector in four angle points outsides of rectangular frame.
4. the frame of arranging waterborne according to claim 3 is characterized in that: the corner angle of described connector for being fixedly connected with described rectangular frame is equipped with some connecting bolts hole on each described corner angle.
5. the frame of arranging waterborne according to claim 3, is characterized in that: the steel pipe that described girder is Φ 80mm, the steel pipe that described web member is Φ 20mm.
6. one kind is utilized the described cofferdam method that frame is filled sand pocket of arranging waterborne of claim 1～5 any one, it is characterized in that, comprises the following steps:
A. preparation of construction: make frame and the filling bag of arranging waterborne;
B. the frame of arranging waterborne is located: station keeping ship casts anchor in place, the described frame of arranging waterborne is fixed in to the location hull, more accurately locates;
C. lay filling bag: described filling bag is arranged in frame and launched on the water, then each described montant is passed to each filling bag edge, make filling bag keep deployed condition and be fixed in described main frame;
D. the sand ship is in place;
E. filling bag filling, sinking: the sand material on described sand ship is filled in filling bag, and described filling bag sinks under water along described montant under the effect of sand material;
F. continuous-flow type construction: pack up the described frame of arranging waterborne, mobile described station keeping ship is to next construction location, and repeating step B～E, until the stacking formation of filling bag cofferdam.
7. according to claim 6ly utilize the cofferdam method that frame is filled sand pocket of arranging waterborne, it is characterized in that: described filling bag comprises bag, some by the emersed cuff of described bag and some handles that is located at described filling bag edge.
8. according to claim 6ly utilize the cofferdam method that frame is filled sand pocket of arranging waterborne, it is characterized in that: after station keeping ship described in described step B enters construction location, head and the tail all descend crossed anchor, commander's windlass hand control strand anchor, preliminary running fix ship makes the described frame sideline of arranging waterborne near the filling bag embankment sideline, then utilizing RTK to carry out the line setting-out accurately locates, by slowly repeatedly regulating, determine exact position.
9. according to claim 6ly utilize the cofferdam method that frame is filled sand pocket of arranging waterborne, it is characterized in that: the top of montant described in described step C tilts to the frame outside of arranging waterborne, and insert in water-bed mud face described montant bottom.
10. according to claim 6ly utilize the cofferdam method that frame is filled sand pocket of arranging waterborne, it is characterized in that: after described step D medium sand ship is in place, be fixed in described station keeping ship.
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| CN201310460216.1A CN103485356B (en) | 2013-09-29 | 2013-09-29 | Overwater laying frame and method for filling sand pockets with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310460216.1A CN103485356B (en) | 2013-09-29 | 2013-09-29 | Overwater laying frame and method for filling sand pockets with same |
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| CN103485356A true CN103485356A (en) | 2014-01-01 |
| CN103485356B CN103485356B (en) | 2015-06-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104120727A (en) * | 2014-07-04 | 2014-10-29 | 上海交通建设总承包有限公司 | Construction method for hoisting and installing prefabricated bagged sand |
| 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 |
| CN107100174A (en) * | 2017-04-26 | 2017-08-29 | 中国水利水电科学研究院 | A kind of design method of earthwork fabric-filled sand pocket |
| CN114750886A (en) * | 2022-05-24 | 2022-07-15 | 安徽省交通航务工程有限公司 | Building method of self-floating assembly type filling operation platform for soil engineering pipe bags |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104120727A (en) * | 2014-07-04 | 2014-10-29 | 上海交通建设总承包有限公司 | Construction method for hoisting and installing prefabricated bagged sand |
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| CN114750886A (en) * | 2022-05-24 | 2022-07-15 | 安徽省交通航务工程有限公司 | Building method of self-floating assembly type filling operation platform for soil engineering pipe bags |
| CN114750886B (en) * | 2022-05-24 | 2023-01-10 | 安徽省交通航务工程有限公司 | Method for constructing self-floating assembly type filling operation platform for soil engineering pipe bags |
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| CN103485356B (en) | 2015-06-17 |
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