CN102758419A - Method for deep-water interlocking row laying construction based on movable reinforced bars - Google Patents

Method for deep-water interlocking row laying construction based on movable reinforced bars Download PDF

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Publication number
CN102758419A
CN102758419A CN2012102677135A CN201210267713A CN102758419A CN 102758419 A CN102758419 A CN 102758419A CN 2012102677135 A CN2012102677135 A CN 2012102677135A CN 201210267713 A CN201210267713 A CN 201210267713A CN 102758419 A CN102758419 A CN 102758419A
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China
Prior art keywords
sinew
strip
row
movable
arranging
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CN2012102677135A
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CN102758419B (en
Inventor
李光显
束梁
袁亚康
杨瑞庆
鄢洪青
王义兵
周园
祁华希
甘忠勇
阮学和
崔长会
顾国华
戚善佳
刘亮
陈正根
张辉苏
程东
钱明
张金元
陈建东
竺敏
丁媛媛
范浚燕
周平
张海波
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NANJING CHANGJIANG WATERWAY ENGINEERING BUREAU
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NANJING CHANGJIANG WATERWAY ENGINEERING BUREAU
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Priority to CN201210267713.5A priority Critical patent/CN102758419B/en
Publication of CN102758419A publication Critical patent/CN102758419A/en
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Abstract

The invention relates to a method for deep-water interlocking row laying construction based on movable reinforced bars, which is particularly suitable for deep-water interlocking row laying construction based on the movable reinforced bars. The method for deep-water interlocking row laying construction based on the movable reinforced bars comprises the following steps: 1, preparing construction; 2, locating layout ships; 3, coiling and arranging, and laying the movable reinforced bars; 4, hoisting and binding concrete interlocking blocks so as to form an interlocking row of the movable reinforced bars, that is to say, starting laying and arranging; 5, laying a row body; and 6, immersing a row tail, drawing the row tail at the last row of each interlocking row by a row tail rope, after implantation of the row tail, stretching the ships to the row tail until the tail end of a row laying region, unfastening a slipknot of the row tail rope, and rotating a roller to take back the row tail rope so as to complete the deep-water interlocking row laying construction based on the movable reinforced bars.

Description

Lay the interlocking arranging construction method based on the deep water of movable sinew adding strip
Technical field
What the present invention relates to is that a kind of deep water based on movable sinew adding strip is laid the interlocking arranging construction method, is specially adapted to lay interlocking based on the tidal reach deep water of movable sinew adding strip and applies the worker.
Background technology
In waterway regulation works, lay under water interlocking apply the worker be prevent that current scour, protection riverbed are the most frequently used, one of river bottom protection effect the best way.But receive many-sided factor affecting such as morning and evening tides, the depth of water, flow rate of water flow and the flow direction owing to arrange construction under water; Interlocking segment is to arranging and the effect more complicated of sinew adding strip; Row's body force part, stressed size change greatly because of the influence of different factors; Particularly in the tidal reach deepwater regions, row's body receives irregular current and impacts the excessive fatigue stress of generation, workmanship and construction safety problems such as the easy row that tears, breaks.
Summary of the invention
The present invention seeks to arrange regional riverbed change violent, the depth of water changes greatly, the disorderly situation of flow-shape; Provide a kind of deep water to lay the interlocking arranging construction method based on movable sinew adding strip; Adopting the standard row pad of same specification, need not to change under the condition of row's body structure; Proposed first increase activity sinew adding strip the innovative technology scheme, improved the mode that binds of interlocking segment; And through the test of many times in early stage, formed based on the deep water of movable sinew adding strip and laid the interlocking arranging construction method, preferably resolve an above-mentioned difficult problem; Reduce security risk, guaranteed to arrange quality, practiced thrift construction cost, improved efficiency of construction, had remarkable economic efficiency and social benefit.
The deep water laying interlocking arranging construction method that the present invention is based on movable sinew adding strip is to take following technical scheme to realize:
Deep water laying interlocking arranging construction method step based on movable sinew adding strip is following:
1, preparation of construction
(1) eroding river bed is removed rid: before the construction, the underwater topography of carrying out construction area earlier detects, and there is outstanding sharp shaped material to adopt an effective measure like discovery and handles, rid, the assurance body of arranging is avoided damaging.
(2) arrange trajectory planning: according to arranging boundary of works area and order; The ranking coordinate is input in the GPS navigation system of arranging ship; The movement locus line of ship is arranged in design, so that track is arranged in control in real time in arranging work progress, guarantees to arrange that body is heavy puts the position and meet design requirement.
(3) the ship machine equipment detects: arrange preceding ship machine equipment, the navigation system of arranging ship tackled of construction and comprehensively detect and try out, guarantee that equipment, instrument are in the good technical state.
(4) construction operating mode investigation: in order accurately to grasp correlation technique parameters such as construction area tidal fluctuations rule, the depth of water, flow velocity, should combine local hydrology department, and carry out field measurement, detail knowledge construction operating mode is confirmed the activity duration.Flow rate of water flow is not more than 1.5m/s when arranging.
2, arrange ship positionning
(1) arrange ship and adopt " six anchor position methods " to guarantee to arrange the stable of ship, promptly adopt six anchors to locate and arrange ship position, and cast anchor in the zone of arranging beyond the district, anchor hawser is arranged and is seen shown in the accompanying drawing 2.
(2) scope of operation position that shows according to the GPS position indicator is adjusted to the upstream edge location of arranging body design sideline with arranging ship, through each anchor hawser of retractable, realizes mooring stability, accurately locatees.
(3) in that to arrange the river bottom protection region area bigger, perhaps in some curved reaches, once cast anchor and can not control when arranging ship and moving in the whole construction zone, need that subregion casts anchor, the subregion construction.
3, volume row and movable sinew adding strip are laid
To arrange pad with loop wheel machine winches on the deck; Under loop wheel machine is assisted, will arrange pad launches; The ring that binds that binds ring and movable sinew adding strip of row pad being gone up fixing sinew adding strip binds (movable sinew adding strip is laid quantity and should be increased and decreased based on actual condition, sees table 1 for details) through binding rope with last person's rope on the cylinder, starts drum switch and will arrange and fill up and movable sinew adding strip is involved in cylinder; Open and flat up to file leader and movable sinew adding strip head in the slide plate forward position, the closed drum switch.Between the volume waiting, firmly the row of tightening pad both sides make row's pad no wrinkle on the cylinder, draw movable sinew adding strip at the slide plate edge simultaneously, guarantee on the movable sinew adding strip bind ring last, receive force direction towards arranging head, and distortionless.
4, lifting of concrete interlocking segment and tying-up
To the job site, and alongside can lift after the row of treating pad and movable sinew adding strip are laid completion to arranging by the ship concrete interlocking segment through the water transport of concrete interlocking segment cargo ship.
In concrete interlocking segment when lifting, adopted fixedly concrete interlocking segment of truss, guarantees that it is evenly in place, above filling up from row, pauses slightly during about 1m; Leading cable rope from 2 directions, slowly in place to suitably ranking, concentrate behind the every rigging out and adopt the polypropylene rope of diameter phi 14mm that concrete interlocking segment and all are bound the ring tying-up; Particularly, should adjacent concrete interlocking segment be bound simultaneously, then lay down a slice concrete interlocking segment again with the binding of movable sinew adding strip; So repeatedly; Up to row's concrete interlocking segment by the design ranking all in place and tying-up fixing after, formation activity sinew adding strip interlocking row can begin to arrange.
5, row's body is laid
(1) file leader fixes
Deep water laying activity sinew adding strip interlocking applies the worker; Its file leader position generally is arranged in the river and does not join with bank, and row head should fix according to designing requirement, is stringer if adopt; It binds rope length generally between 1~2m; Being " yi word pattern " and putting, arrange the upper end, district for the position behind the row's of assurance body head end implantation is in design simultaneously, is that the plan implantation point of stringer should be a bit larger tham the length that binds rope apart from the distance of arranging upper sideline.Described is that stringer adopts concrete prefabricated forming.
(2) be confirming of stringer dumping point
The dumping point is positioned at plan implantation point upper reaches certain distance, based on drifting about apart from computing formula:
L d=0.74V fH/G 1/6... ... (formula 1)
In the formula: L d---be that stringer drifts about apart from (m)
V f---dumping point surface velocity (m/s)
H---the district's depth of water (m) of jettisoninging
G---be stringer weight (kg)
Calculate the distance of dumping point by formula 1 apart from plan implantation point.
(3) movable sinew adding strip interlocking row lays
At the concrete interlocking segment, be that stringer is laid back calibration accommodation, make the slide plate of arranging the ship hull be in 45 oBeing advisable in the angle, unclamps card row fine strain of millet and cylinder, slowly, at the uniform velocity moves ship, utilizes the concrete interlocking segment, is at the bottom of the stringer deadweight row of making body sinks to the river slowly along slide plate.Interlocking row lays time shift ship's speed degree and is not more than 1.7m/min.
Arrange sequence of construction and upstream lay, overlap downstream guaranteeing by downstream.Whether arrange ship in the work progress by GPS real-time tracking location, draw and arrange trajectory, and check the actual track of arranging and conform to the design ranking, if deviation occurs, proofread and correct the accommodation immediately, assurance river bottom protection scope and lap width meet design requirement.
6, the last person is heavy puts
Last row's of each bar interlocking row the last person is with last person's traction of restricting, and behind last person's implantation, it is terminal to arranging the district to continue to move the ship stretching last person, at last last person's slip-knot of restricting untied, and rotary drum is regained last person's rope, accomplishes to lay to interlock based on the deep water of movable sinew adding strip to apply the worker.
The package of described movable sinew adding strip interlocking is drawn together the concrete interlocking segment, is bound rope, movable sinew adding strip and row fill up; Described row's pad by arrange and fixedly sinew adding strip form; Be sewed with fixedly sinew adding strip on arranging; Row pad both sides and concrete interlocking segment installation place are equipped with movable sinew adding strip; The concrete interlocking segment is installed in row pad and movable sinew adding strip top, concrete interlocking segment and fixedly sinew adding strip, movable sinew adding strip restrict through binding that to carry out tying-up in aggregates.
Lay interlocking based on the deep water of movable sinew adding strip and apply worker's points for attention:
1, when volume row, movable sinew adding strip evenly should be rolled with cylinder simultaneously, should be guaranteed as far as possible that row's pad is non-wrinkled, curl, and guarantee that the ring that binds on the movable sinew adding strip is subjected to force direction forward to arrange head, and distortionless, movable sinew adding strip quantity should increase and decrease based on actual condition.Through on-the-spot test of many times, movable sinew adding strip quantity sees for details shown in the table 1.
2, in binding concrete interlocking segment, movable sinew adding strip process, should guarantee movable sinew adding strip put even, straight, all bind the ring all with concrete interlocking segment tying-up, should adjacent concrete interlocking segment be bound simultaneously, strengthen its globality.
3, in arranging work progress, moving the ship's speed degree generally should not be greater than 1.7m/min, and the row's of preventing body is stressed excessive, checks in real time simultaneously and arranges trajectory, guarantees consistent with the design ranking.
4, individual row's body is laid and should in a construction tidal level, be accomplished as far as possible, and the row's of avoiding body receives water impact to produce fatigue stress for a long time and the row of tearing, disconnected row's phenomenon occur.
5, the subregion should in time organize underwater camera to feel detection after arranging end, guarantees to arrange the body overlap joint and meets the demands.
The concrete structure of row's pad should confirm that when designing concrete interlocking segment soft raft arranges by 350g/m generally speaking according to the construction operating mode 2Woven cloth of polypropylene filament yarn and 200g/m 2The acupuncture of short fiber terylene non-woven fabric is composited; Vertically make a fixedly sinew adding strip by every 0.5m, movable sinew adding strip is laid quantity and is confirmed that according to table 1 its material all adopts the wide polypropylene fibre sinew adding strip of 5cm.
Lay interlocking arranging construction method technological principle based on the deep water of movable sinew adding strip: this method is according to mechanics principle; Take the job practices of increase activity sinew adding strip, the adjacent concrete interlocking segment of tying-up, the row's of making pad, movable sinew adding strip are born concrete interlocking segment gravity and water flow impact pressure jointly; Arrange ship and adopt " six anchor position methods " control accommodation and move ship, when guaranteeing stability of hull, the control hull moves along desired trajectory, and row's body is then under action of gravity, along the slide plate slip and be tiled on the riverbed beach face.
Lay interlocking arranging construction method characteristics based on the deep water of movable sinew adding strip:
1, the innovative technology scheme of increase activity sinew adding strip has been proposed; The critical technical parameter and the key points for operation such as quantity, paving mode of increase activity sinew adding strip have been confirmed; Make interlocking row increase a new stress system, this scheme is simple to operate, with low cost, quality is controlled easily.
2, improved the tying-up mode of interlocking segment, when interlocking segment and sinew adding strip carried out tying-up, also with carrying out tying-up between the adjacent concrete interlocking segment, it was stronger to form globality, and the interlocking that can adapt to moderate finite deformation and water impact is arranged.
3, solved and adopting the standard row pad of same specification, do not changing under the condition of row's body structure, deep water lay interlocking apply be prone to the row of tearing man-hour, a difficult problem such as the row of breaking.
Lay the interlocking arranging construction method based on the deep water of movable sinew adding strip and be applicable to interlocking row river bottom protection between 12~21m of tidal reach, the depth of water, protect the beach construction, flow rate of water flow generally should not be greater than 1.5m/s during laying.
The concrete interlocking segment:
Bind concrete interlocking segment that the ballast soft raft adopted, be that stringer should carry out prefabricated according to design and related specifications.
At present; Lay the interlocking arranging construction method based on the deep water of movable sinew adding strip and in engineering such as is guarded in straight water channel waterway regulation completion continent, THE LOWER YANGTZE VALLEY port, obtained successfully test; Reached advanced international level, wherein, the key technology of increase activity sinew adding strip has reached leading domestic level; The economy and society remarkable benefit has wide application value.
Description of drawings
Below will combine accompanying drawing that the present invention is described further:
Fig. 1 is based on the deep water of movable sinew adding strip and lays interlocking arranging construction method process chart.
The deep water that Fig. 2 is based on movable sinew adding strip is laid and to be arranged the ship anchor position in the interlocking arranging construction method process and arrange sketch map.
Fig. 3 is based on the deep water of movable sinew adding strip and lays employing activity sinew adding strip interlocking row sketch map in the interlocking arranging construction method.
Fig. 4 is that Fig. 3 lays employing activity sinew adding strip interlocking row A-A sectional view in the interlocking arranging construction method based on the deep water of movable sinew adding strip.
Fig. 5 is that Fig. 3 lays employing activity sinew adding strip interlocking row B-B sectional view in the interlocking arranging construction method based on the deep water of movable sinew adding strip.。
Fig. 6 is based on the deep water of movable sinew adding strip and lays movable sinew adding strip interlocking row laying operation generalized section in the interlocking arranging construction method.
The specific embodiment
With reference to accompanying drawing 1~6, following based on the deep water laying interlocking arranging construction method step of movable sinew adding strip:
One, preparation of construction
(1) eroding river bed is removed rid: before the construction, the underwater topography of carrying out construction area earlier detects, and there is outstanding sharp shaped material to adopt an effective measure like discovery and handles, rid, the assurance body of arranging is avoided damaging.
(2) arrange trajectory planning: according to arranging boundary of works area and order; The ranking coordinate is input in the GPS navigation system of arranging ship; The movement locus line of ship is arranged in design, so that track is arranged in control in real time in arranging work progress, guarantees to arrange that body is heavy puts the position and meet design requirement.
(3) the ship machine equipment detects: arrange preceding ship machine equipment, the navigation system of arranging ship tackled of construction and comprehensively detect and try out, guarantee that equipment, instrument are in the good technical state.
(4) construction operating mode investigation: in order accurately to grasp correlation technique parameters such as construction area tidal fluctuations rule, the depth of water, flow velocity, should combine local hydrology department, and carry out field measurement, detail knowledge construction operating mode is confirmed the activity duration.Flow rate of water flow is not more than 1.5m/s when arranging.
Two, arrange ship positionning
(1) arrange ship 5 and adopt " six anchor position methods " to guarantee to arrange the stable of ship, promptly adopt six anchors 9 to locate and arrange ship 5 positions, and cast anchor in the zone of arranging beyond the district, anchor hawser is arranged shown in accompanying drawing 2.
(2) mooring stability, accurate location with the upstream edge location of arranging ship 5 row of being adjusted to body design sidelines, through each anchor hawser of retractable, are realized in the scope of operation position that shows according to the GPS position indicator.
(3) in that to arrange the river bottom protection region area bigger, perhaps in some curved reaches, once cast anchor and can not control when arranging ship 5 and moving in the whole construction zone, need that subregion casts anchor, the subregion construction.
Three, volume row and movable sinew adding strip are laid
To arrange pad with loop wheel machine 7 winches on the deck; Under loop wheel machine is assisted, will arrange pad launches; Row pad is gone up the ring two that binds that binds ring one and movable sinew adding strip 1-3 of fixing sinew adding strip 1-2, and last person's rope binds (movable sinew adding strip is laid quantity and should be increased and decreased based on actual condition, sees table 1 for details) on rope 1-5 and the cylinder 6 through binding, and the startup drum switch will be arranged and fill up and movable sinew adding strip 1-3 is involved in cylinder; Open and flat up to file leader and movable sinew adding strip 1-3 head at slide plate 3 forward positions, closed drum switch.Between the volume waiting, firmly the row of tightening pad both sides make the row's pad no wrinkle on the cylinder 6, draw movable sinew adding strip 1-3 at slide plate 3 edges simultaneously, guarantee on the movable sinew adding strip bind ring last, receive force direction towards arranging head, and distortionless.
Four, lifting of concrete interlocking segment and tying-up
Concrete interlocking segment 1-4 passes through 8 water transports of concrete interlocking segment cargo ship to the job site, and alongside is other to arranging ship 5, and the row's of treating pad and movable sinew adding strip 1-3 can lift after laying and accomplishing.
In concrete interlocking segment 1-4 when lifting, adopted fixedly concrete interlocking block of truss, guarantees that it is evenly in place, above filling up from row, pauses slightly during about 1m; Leading cable rope from 2 directions, slowly in place to suitably ranking, concentrate behind the every rigging out and adopt the polypropylene rope of diameter phi 14mm that concrete interlocking segment 1-4 and all are bound the ring tying-up; Particularly, should adjacent concrete interlocking segment 1-4 be bound simultaneously, then lay down a slice concrete interlocking segment 1-4 again with the binding of movable sinew adding strip 1-3; So repeatedly; Up to row's concrete interlocking segment 1-4 by the design ranking all in place and tying-up fixing after, formation activity sinew adding strip interlocking row can begin to arrange.
Five, row's body is laid
(1) file leader fixes
Deep water laying activity sinew adding strip interlocking applies the worker; Its file leader position generally is arranged in the river and does not join with bank, and row head should fix according to designing requirement, is stringer 2 if adopt; It binds rope length generally between 1~2m; Being " yi word pattern " and putting, arrange the upper end, district for the position behind the row's of assurance body head end implantation is in design simultaneously, is that the plan implantation point of stringer 2 should be a bit larger tham the length that binds rope apart from the distance of arranging upper sideline.Described is that stringer 2 adopts concrete prefabricated forming.
(2) be confirming of stringer dumping point
The dumping point is positioned at plan implantation point upper reaches certain distance, based on drifting about apart from computing formula:
L d=0.74V fH/G 1/6... ... (formula 1)
In the formula: L d---be that stringer drifts about apart from (m)
V f---dumping point surface velocity (m/s)
H---the district's depth of water (m) of jettisoninging
G---be stringer weight (kg)
Calculate the distance of dumping point by formula 1 apart from plan implantation point.
(3) movable sinew adding strip interlocking row lays
At concrete interlocking segment 1-4, be that stringer 2 is laid back calibration accommodation, make the slide plate 3 of arranging hull be in 45 oBeing advisable in the angle, unclamps card row fine strain of millet 4 and cylinder 6, slowly, at the uniform velocity moves ship, utilizes concrete interlocking segment 1-4, is at the bottom of the stringer 2 deadweight row of making bodies sink to the river slowly along slide plate.Interlocking row lays time shift ship's speed degree and is not more than 1.7m/min.
Arrange sequence of construction and upstream lay, overlap downstream guaranteeing by downstream.Whether arrange ship in the work progress by GPS real-time tracking location, draw and arrange trajectory, and check the actual track of arranging and conform to the design ranking, if deviation occurs, proofread and correct the accommodation immediately, assurance river bottom protection scope and lap width meet design requirement.
Six, the last person is heavy puts
Last row's of each bar interlocking row the last person is with last person's traction of restricting; Behind last person's implantation, it is terminal to arranging the district to continue to move the ship stretching last person, at last last person's slip-knot of restricting is untied; Rotary drum 6 is regained last person's rope, and the deep water laying interlocking of accomplishing based on movable sinew adding strip applies the worker.
Described movable sinew adding strip interlocking row 1 comprises concrete interlocking segment 1-4, binds rope 1-5, movable sinew adding strip 1-3 and arranges pad; Described row's pad by arrange 1-1 and fixedly sinew adding strip 1-2 form; Arrange and be sewed with fixedly sinew adding strip 1-2 on the 1-1; Row pad both sides and concrete interlocking segment 1-4 installation place are equipped with movable sinew adding strip 1-3; Concrete interlocking segment 1-4 is installed in row pad and movable sinew adding strip 1-3 top, concrete interlocking segment 1-4 and fixedly sinew adding strip 1-2, movable sinew adding strip 1-3 to carry out tying-up in aggregates through binding the 1-5 that restricts.
The upward every separated 5m of described fixedly sinew adding strip 1-2 is provided with one and binds ring one.
The upward every separated 5m of described movable sinew adding strip 1-3 is provided with one and binds ring two.
Described fixedly strengthening rib strip 1-2 and movable strengthening rib strip 1-3 adopt the polypropylene fibre sinew adding strip, and the polypropylene fibre sinew adding strip adopts that 5cm is wide, 65g/m, tensile strength are the 20000N/ root.
The described ring one that binds adopts fixedly circuitous the folding of sinew adding strip 1-2 to make, or employing and fixedly the same material of sinew adding strip process and bind ring and make one by one.
Describedly bind circuitous folding the making of ring two employing activity sinew adding strip 1-3, or employing and the same material of movable sinew adding strip are processed and are bound ring and make one by one.
Described concrete interlocking segment 1-4 is provided with and binds ring three, and interlocking segment binding ring two through binding binding on ring three and the fixing sinew adding strip 1-2 on ring one and the movable sinew adding strip 1-3, and to carry out tying-up in aggregates through binding rope 1-5.
Described movable sinew adding strip 1-3 lays quantity when the depth of water 12~21m, and each concrete interlocking segment 1-4 evenly arranges 2~4, each 1 of row's pad both sides.
Not sewing up between described movable sinew adding strip 1-3 and the row's pad, is two separate stressed systems.
Described is that stringer 2 adopts concrete prefabricated forming.
Described concrete interlocking segment 1-4 adopts several concrete cell block is prefabricated and assembles.
The described 1-1 of arranging adopts geotextiles to process.
Binding ring three and binding rope 1-5 on the described concrete interlocking segment 1-4 adopts nylon rope to process.
Lay interlocking based on the deep water of movable sinew adding strip and apply worker's points for attention:
1, when volume row; Movable sinew adding strip 1-3 evenly should be rolled with cylinder 6 simultaneously, should guarantee as far as possible that row's pad is non-wrinkled, curl, and guarantee that the ring two that binds on the movable sinew adding strip 1-3 is subjected to force direction forward to arrange head; And distortionless, movable sinew adding strip 1-3 lays quantity and should increase and decrease based on actual condition.Through on-the-spot test of many times, movable sinew adding strip quantity sees for details shown in the table 1.
 
Table 1 deep water is laid the movable sinew adding strip schedule of quantities of interlocking row
2, in binding concrete interlocking segment 1-4, movable sinew adding strip 1-3 process, it is even, straight to guarantee that movable sinew adding strip 1-3 puts, all bind the ring all with concrete interlocking segment tying-up, should adjacent concrete interlocking segment be bound simultaneously, strengthen its globality.
3, in arranging work progress, move the ship's speed degree and be not more than 1.7m/min, the row's of preventing body is stressed excessive, checks in real time simultaneously and arranges trajectory, guarantees consistent with the design ranking.
4, individual row's body is laid and should in a construction tidal level, be accomplished as far as possible, and the row's of avoiding body receives water impact to produce fatigue stress for a long time and the row of tearing, disconnected row's phenomenon occur.
5, the subregion should in time organize underwater camera to feel detection after arranging end, guarantees to arrange the body overlap joint and meets the demands.
The concrete structure of row's pad should confirm that when designing concrete interlocking segment soft raft arranges by 350g/m generally speaking according to the construction operating mode 2Woven cloth of polypropylene filament yarn and 200g/m 2The acupuncture of short fiber terylene non-woven fabric is composited; Vertically make a fixedly sinew adding strip by every 0.5m, movable sinew adding strip is laid quantity and is confirmed that according to table 1 its material all adopts the wide polypropylene fibre sinew adding strip of 5cm.
Test examples
Engineering name: engineering is guarded in straight water channel waterway regulation completion continent, THE LOWER YANGTZE VALLEY port
Engineering lies in Changjiang River Nanjing~clear river mouth section is guarded in straight water channel Waterway Regulation completion continent, THE LOWER YANGTZE VALLEY port; Go up apart from Nanjing about 100km, about 200km apart from Shanghai is one of Nanjing~section, clear river mouth emphasis water channel down; The left bank is Yangzhou, Taizhou City, and right bank is Zhenjiang, Changzhou.
The main construction content of this project has under water arranges, throws pillow, jackstone and shore protection reinforcing etc. under water, wherein, arranges 1,000,000 m under water 2, row's body structure has D (I) type to arrange and mixes row (interlocking row+D (II) row+interlocking row), and mixing applies territory, work area maximum water depth and reaches 21m, and is tidal reach, and the field measurement Peak Flow Rate is at 2m/s, and fluidised form is disorderly, and execution conditions are complicated, and difficulty of construction is big.
This project is arranged under water; Adopt 4 40m to arrange ship through taking the key technology of increase activity sinew adding strip, the adjacent concrete interlocking segment of tying-up; Overcome tidal reach deep water smoothly and laid interlocking row's construction difficult problem, guaranteed workmanship and construction safety, reduced construction cost; Through detecting, construction quality adheres to specification.

Claims (7)

1. the deep water based on movable sinew adding strip is laid the interlocking arranging construction method, and it is characterized in that: step is following:
One, preparation of construction
(1) eroding river bed is removed rid: before the construction, the underwater topography of carrying out construction area earlier detects, and finds that having outstanding sharp shaped material to adopt an effective measure handles, rid, and the assurance body of arranging is avoided damaging;
(2) arrange trajectory planning: according to arranging boundary of works area and order; The ranking coordinate is input in the GPS navigation system of arranging ship; The movement locus line of ship is arranged in design, so that track is arranged in control in real time in arranging work progress, guarantees to arrange that body is heavy puts the position and meet design requirement;
(3) the ship machine equipment detects: arrange preceding ship machine equipment, the navigation system of arranging ship tackled of construction and comprehensively detect and try out, guarantee that equipment, instrument are in the good technical state;
(4) construction operating mode investigation: in order accurately to grasp construction area tidal fluctuations rule, the depth of water, flow velocity correlation technique parameter, should combine local hydrology department, and carry out field measurement, detail knowledge construction operating mode is confirmed the activity duration; Flow rate of water flow should not be greater than 1.5m/s when arranging construction;
Two, arrange ship positionning
(1) arranges ship and adopt " six anchor position methods " to guarantee to arrange the stable of ship, promptly adopt six anchors to locate and arrange ship position, and cast anchor in the zone of arranging beyond the district;
(2) scope of operation position that shows according to the GPS position indicator is adjusted to the upstream edge location of arranging body design sideline with arranging ship, through each anchor hawser of retractable, realizes mooring stability, accurately locatees;
(3) in that to arrange the river bottom protection region area bigger, perhaps in some curved reaches, once cast anchor and can not control when arranging ship and moving in the whole construction zone, need that subregion casts anchor, the subregion construction;
Three, volume row and movable sinew adding strip are laid
To arrange pad with loop wheel machine and winch on the deck, and assist arrange pad down at loop wheel machine and launch, with row's pad go up fixing sinew adding strip bind ring and movable sinew adding strip bind ring through bind restrict and cylinder on the last person restrict and bind; The startup drum switch will arrange pad and movable sinew adding strip is involved in cylinder, and is open and flat in the slide plate forward position up to file leader and movable sinew adding strip head, the closed drum switch; Between the volume waiting; Firmly the row's of tightening pad both sides make row's pad no wrinkle on the cylinder, draw movable sinew adding strip at the slide plate edge simultaneously; Guarantee on the movable sinew adding strip bind ring last, receive force direction first towards row, and distortionless;
Four, lifting of concrete interlocking segment and tying-up
To the job site, and alongside can lift after the row of treating pad and movable sinew adding strip are laid completion to arranging by the ship concrete interlocking segment through the water transport of concrete interlocking segment cargo ship;
In concrete interlocking segment when lifting, adopted fixedly concrete interlocking block of truss, guarantees that it is evenly in place, above filling up from row, pauses slightly during about 1m; Leading cable rope from 2 directions, slowly in place to suitably ranking, concentrate behind the every rigging out and adopt polypropylene rope that concrete interlocking segment and all are bound the ring tying-up; Particularly, should adjacent concrete interlocking segment be bound simultaneously, then lay down a slice concrete interlocking segment again with the binding of movable sinew adding strip; So repeatedly; Up to row's concrete interlocking segment by the design ranking all in place and tying-up fixing after, formation activity sinew adding strip interlocking row can begin to arrange;
Five, row's body is laid
(1) file leader fixes
Deep water laying activity sinew adding strip interlocking applies the worker; Its file leader position generally is arranged in the river and does not join with bank, and row head should fix based on designing requirement, is stringer if adopt; It binds rope length generally between 1~2m; Being " yi word pattern " and putting, arrange the upper end, district for the position behind the row's of assurance body head end implantation is in design simultaneously, is that the plan implantation point of stringer should be a bit larger tham the length that binds rope apart from the distance of arranging upper sideline;
(2) be confirming of stringer dumping point
The dumping point is positioned at plan implantation point upper reaches certain distance, based on drifting about apart from computing formula:
L d=0.74V fH/G 1/6... ... (formula 1)
In the formula: L d---be that stringer drifts about apart from (m)
V f---dumping point surface velocity (m/s)
H---the district's depth of water (m) of jettisoninging
G---be stringer weight (kg)
Calculate the distance of dumping point by formula 1 apart from plan implantation point;
(3) movable sinew adding strip interlocking row lays
At the concrete interlocking segment, be that stringer is laid back calibration accommodation, make the slide plate of arranging the ship hull be in 45 oBeing advisable in the angle, unclamps card row fine strain of millet and cylinder, slowly, at the uniform velocity moves ship, utilizes the concrete interlocking segment, is at the bottom of the stringer deadweight row of making body sinks to the river slowly along slide plate;
Arrange sequence of construction and upstream lay, overlap downstream guaranteeing by downstream.
2. whether arrange ship in the work progress by GPS real-time tracking location, draw and arrange trajectory, and check the actual track of arranging and conform to the design ranking, if deviation occurs, proofread and correct the accommodation immediately, assurance river bottom protection scope and lap width meet design requirement;
Six, the last person is heavy puts
Last row's of each bar interlocking row the last person is with last person's traction of restricting, and behind last person's implantation, it is terminal to arranging the district to continue to move the ship stretching last person, at last last person's slip-knot of restricting untied, and rotary drum is regained last person's rope, accomplishes to lay to interlock based on the deep water of movable sinew adding strip to apply the worker;
2, lay the interlocking arranging construction method according to claim 1 based on the deep water of movable sinew adding strip, it is characterized in that: the package of described movable sinew adding strip interlocking is drawn together the concrete interlocking segment, is bound rope, movable sinew adding strip and row fill up; Described row's pad by arrange and fixedly sinew adding strip form; Be sewed with fixedly sinew adding strip on arranging; Row pad both sides and concrete interlocking segment installation place are equipped with movable sinew adding strip; The concrete interlocking segment is installed in row pad and movable sinew adding strip top, concrete interlocking segment and fixedly sinew adding strip, movable sinew adding strip restrict through binding that to carry out tying-up in aggregates.
3. lay the interlocking arranging construction method according to claim 1 based on the deep water of movable sinew adding strip, it is characterized in that: interlocking row lays time shift ship's speed degree and is not more than 1.7m/min.
4. lay the interlocking arranging construction method according to claim 1 based on the deep water of movable sinew adding strip, it is characterized in that: described movable sinew adding strip is laid quantity when the depth of water 12~21m, and each concrete interlocking segment is evenly arranged 2~4, each 1 of row's pad both sides.
5. lay the interlocking arranging construction method according to claim 1 based on the deep water of movable sinew adding strip, it is characterized in that: described is that stringer adopts concrete prefabricated forming.
6. lay the interlocking arranging construction method according to claim 1 based on the deep water of movable sinew adding strip, it is characterized in that: described concrete interlocking segment adopts several concrete cell block is prefabricated and assembles.
7. lay the interlocking arranging construction method according to claim 1 based on the deep water of movable sinew adding strip, it is characterized in that: described arranging adopts geotextiles to process.
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CN111564810A (en) * 2020-04-02 2020-08-21 山东海盛海洋工程集团有限公司 Laying process of marine interlocking row
CN111636372A (en) * 2020-07-06 2020-09-08 长江南京航道工程局 Construction method for laying interlocking block soft mattress in high-beach shallow water area under low water level
CN111636372B (en) * 2020-07-06 2021-09-17 长江南京航道工程局 Construction method for laying interlocking block soft mattress in high-beach shallow water area under low water level
CN112523167A (en) * 2020-11-24 2021-03-19 长江南京航道工程局 Concrete interlocking block soft row connection laying construction method

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