CN107794933A - Hermetic seal structure and its construction method are encircled and hunted down in a kind of underwater construction - Google Patents
Hermetic seal structure and its construction method are encircled and hunted down in a kind of underwater construction Download PDFInfo
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- CN107794933A CN107794933A CN201711100542.6A CN201711100542A CN107794933A CN 107794933 A CN107794933 A CN 107794933A CN 201711100542 A CN201711100542 A CN 201711100542A CN 107794933 A CN107794933 A CN 107794933A
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- steel sheet
- sheet pile
- connecting plate
- hook connecting
- seal chamber
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
Abstract
Hermetic seal structure and its construction method, including steel plate pile body are encircled and hunted down in a kind of underwater construction（1）, it is characterised in that：The steel plate pile body（1）Side be fixedly installed the first hook connecting plate（2）, steel plate pile body（1）Opposite side be fixedly installed the second hook connecting plate（3）, the first hook connecting plate（2）With adjacent steel sheet pile body（1）On the second hook connecting plate（3）Connection coordinates, two arcwall faces after connection cooperation（7）Together constitute cylindrical seal chamber（6）, cylindrical seal chamber（6）Interior extrusion packing has leakage proof mud, or cylindrical seal chamber（6）Interior press-in has the action bars for being enclosed with leakage proof mud（12）, present invention employs cylindrical seal chamber as sealed body structure, and the compactness connected between adjacent steel sheet pile is improved, and it is good to encircle and hunt down rear globality steadiness, has effectively blocked infiltration path, has realized tight reliable hermetic seal.
Description
Technical field
Encircle and hunt down hermetic seal structure and its construction method the present invention relates to one kind, more particularly to a kind of underwater construction encircle and hunt down it is close
Sealing water-bound and its construction method, belong to technical field of building construction.
Background technology
At present, construction is typically necessary and sets cofferdam under water, and cofferdam is provisional building enclosure, cofferdam set after again
Water pump drainage inside cofferdam is clean, then carry out associated construction operation.The form in cofferdam has many kinds, there is a cubic meter cofferdam, pipe
Stanchion cofferdam, steel sheet-pile cofferdam etc..Encircle and hunt down construction and be widely used in bridge pier construction construction, bridge pier maintenance construction, submerged structure
The dell base of foundation construction and rich groundwater construction etc., cofferdam is set to be accounted for construction using hollow tube pile or steel sheet pile
Ground is small, easy construction, encircles and hunts down the advantages of equipment can reuse.Using tubing string pile cofferdam or steel sheet-pile cofferdam typically using pipe
Stanchion or steel sheet pile are brought into close contact the mode driven piles side by side one by one, and underwater construction needs to bear larger external water pressure, tubing string
Seam between stake or steel sheet pile is easy to the situation for infiltration and leak occur.Existing hollow tube pile or steel sheet pile are simple in construction thick
It is rough, encircle and hunt down and lack effective connection between adjacent hollow tube pile or steel sheet pile and fasten, be typically bonded or set letter using outer wall
The structure type of single coincidence seam, hermetic seal between hollow tube pile or steel sheet pile all existing technical barrier all the time.
Although the hermetic seal between existing hollow tube pile or steel sheet pile has using rubber strip hermetic seal, air bag hermetic seal, plug
The various ways such as hermetic seal are stitched, but are extremely difficult to most preferably block water-stagnating effect, under the extruding and impact of extraneous hydraulic pressure, compared with
Cofferdam begins to seep water after short time, has a strong impact on the construction operation in cofferdam, and hermetic seal problem never obtains effectively
Solve.
Such as China Patent Publication No.：CN 104213570B, publication date：In August, 2016 patent of invention of 10 days discloses one
The construction method in the underwater closing cofferdam of kind, it comprises the following steps：Xiang Shuizhong hangs in the coaming plate of segment type, and each coaming plate is sunk down into
Underwater structure outer fix, coaming plate are connected with underwater structure lateral surface with water seal successively, and coaming plate is stacked simultaneously along short transverse
Mutual water seal connection, the aqueous inside underwater structure is extracted out, underwater structure is internally formed negative pressure, and coaming plate is in negative pressure
It is close to the outer surface of underwater structure under effect.Lacking but the surrounding plate device is simple in construction, between adjacent coaming plate has
The connection of effect and fastening, globality is poor, and the hermetic seal of the connecting sewing between adjacent coaming plate is ineffective, to coaming plate outside
The water and the hermetic seal ability of underground water enclosed is weaker, it is easy to situation about seeping water occurs, is unfavorable for construction operation.
The content of the invention
First purpose of the present invention is simple in construction for existing steel sheet pile, and what is connected between adjacent steel sheet pile is close
Property is bad, encircles and hunts down that rear overall stability is poor, and the hermetic seal between adjacent steel sheet pile is ineffective, between steel sheet pile
Gap is easy to infiltration and leak, the defects of bringing serious puzzlement to underwater construction and deficiency, now provides a kind of rational in infrastructure, phase
The compactness connected between adjacent steel sheet pile is improved, and it is good to encircle and hunt down rear globality steadiness, and between adjacent steel sheet pile
Hermetic seal effect is greatly improved, and hermetic seal knot is encircled and hunted down in a kind of underwater construction for being not in infiltration water leakage situation
Structure.
Second object of the present invention is to be not suitable for encircling and hunting down construction under water for existing construction method of encircling and hunting down, adjacent steel plate
The compactness connected between stake is bad, and the infiltration and leak that can not prevent can cause seriously to frustrate to construction, and construction risk is high
The defects of and deficiency, now provide one kind be suitable for encircling and hunting down construction under water, the compactness connected between adjacent steel sheet pile is good,
Encircle and hunt down rear globality steadiness to be improved, and efficiently solve the technical barrier of hermetic seal between adjacent steel sheet pile,
Working security is good, and hermetic seal construction method is encircled and hunted down in a kind of high underwater construction of efficiency of construction.
To realize above-mentioned first purpose, technical solution of the invention is：Hermetic seal is encircled and hunted down in a kind of underwater construction
Structure, including steel plate pile body, ground terminal is is bored in the lower end of steel plate pile body, and the upper end of steel plate pile body is piling end, its feature
It is：The side of the steel plate pile body is fixedly installed the first hook connecting plate, the opposite side fixed setting of steel plate pile body
Have the second hook connecting plate, the first hook connecting plate and the second hook connecting plate axisymmetricly or center symmetric setting, the first hook
Arcwall face is arranged on the inside of type connecting plate and the second hook connecting plate, arcwall face is semicircle or U-shape structure, and the first hook connects
Fishplate bar is connected cooperation with the second hook connecting plate on adjacent steel sheet pile body, and two arcwall faces after connection coordinates collectively form
Cylindrical seal chamber, cylindrical seal intracavitary extrusion packing have leakage proof mud, or the press-in of cylindrical seal intracavitary is enclosed with envelope
The action bars of stifled leakproof mud.
Further, the joint portion between the steel plate pile body and the first hook connecting plate and the second hook connecting plate
Position is provided with staggered floor platform, and the height of staggered floor platform is the first hook connecting plate or the thickness of the second hook connecting plate, and it is close to form cylindricality
The intracavitary faying face sealed between the first hook connecting plate and the second hook connecting plate of chamber is smooth.
Further, the steel plate pile body, which is located on the web of upper end, offers auxiliary fixing hole, adjacent two steel
Fixture is provided between sheet pile body, fixture is fixed on auxiliary fixing hole by fixing bolt.
Further, the inner surface of the arcwall face is smooth, and the outer arc radius of arcwall face is less than steel plate pile body
The 1/4 of transverse width, the bottom of cylindrical seal chamber are provided with jointed shaft, are provided with jointed shaft for blocking cylindrical seal bottom of chamber
The gear clod of portion port, the bottom for keeping off clod are arranged to circular conical surface.
Further, the length of the action bars is more than longitudinal depth of cylindrical seal chamber, and the maximum gauge of action bars is small
In the internal diameter of cylindrical seal chamber.
Further, the bottom of the action bars is provided with bottom termination, and the diameter of bottom termination is more than action bars upper end
Diameter, the outside diameter of bottom termination is less than the internal diameter of cylindrical seal chamber, the upper end and action bars excircle of bottom termination it
Between joint face be arranged to circular conical surface, action bars is provided with hollow axis hole, annular groove, bottom is offered on the excircle of bottom termination
The bottom of portion termination and the bottom land of annular groove offer sprocket hole respectively, and sprocket hole is connected with hollow axis hole, hollow axis hole
Upper end be connected with the delivery end of leakage proof mud.
Further, the cross section of the action bars is provided in round or ellipse, on the excircle of action bars equidistantly
Be provided with multiple annulars or ellipse around boss, be fixed with elastic attachment ring on the excircle of boss, action bars and boss it is outer
Leakage proof mud is enclosed with circumference.
Further, mixing and water adding is made after the leakage proof mud is crushed respectively using kaolin, clay and lime.
To realize above-mentioned second purpose, technical solution of the invention is：Hermetic seal is encircled and hunted down in a kind of underwater construction
Construction method, it is characterised in that comprise the following steps：
A, the steel sheet pile of appropriate length is selected according to construction depth and sealing depth, and according to encircling and hunting down shape and areal calculation goes out
The quantity of steel sheet pile, and sealed the bottom of the first hook connecting plate and the second hook connecting plate respectively by keeping off clod；
B, the brill ground terminal of first piece of steel sheet pile is inserted perpendicularly into water-bed soil layer or in the surface soil layer of rich groundwater, and used
Piling end of the pile compacting equipment to steel sheet pile is impacted or pressed so that steel sheet pile is at the uniform velocity perpendicularly inserted into water-bed soil layer or underground
In the abundant soil layer of water, and reach desired depth；
Second piece of steel sheet pile is vertically disposed in the side of first piece of steel sheet pile, and cause the first hook of second piece of steel sheet pile c,
Second hook connecting plate of connecting plate and first piece of steel sheet pile is interlockingly connected, the first hook connecting plate and first of second piece of steel sheet pile
Second hook connecting plate of block steel sheet pile together constitutes cylindrical seal chamber, then with same method using pile compacting equipment to the
The piling end of two pieces of steel sheet piles is impacted or pressed, and reaches desired depth；
D, the 3rd piece of steel sheet pile is inserted into water-bed soil layer or in the surface soil layer of rich groundwater in the same way again, and
Reach desired depth, and the second hook connecting plate phase of the first hook connecting plate of the 3rd piece of steel sheet pile and second piece of steel sheet pile
Snapping, form another cylindrical seal chamber, realize in the same way the 4th piece of steel sheet pile, the 5th piece of steel sheet pile ... with
And the piling of last block steel sheet pile is in place, cylindrical seal chamber is all formed between adjacent two pieces of steel sheet piles；
E, slurry-mud made of leakage proof mud is filled into cylindrical seal intracavitary by the delivery end of action bars upper end, while up and down
Action bars is twitched to incite somebody to action, and leakage proof mud consolidates, and allows leakage proof mud fully to block in the combination gap on cylindrical seal chamber, or
Leakage proof mud drum is rolled on action bars of the cross section for ellipse by person, in a small amount of leakage proof of cylindrical seal intra-bladder instillation
Slurry liquid, then action bars is inserted into cylindrical seal intracavitary and to bottom, subsequent rotating operation bar and synchronously slowly to action bars
Leakage proof slurry liquid is injected in gap between cylindrical seal chamber, until the combination gap on cylindrical seal chamber is fully sealed
It is stifled, realize hermetic seal；
When f, needing to remove steel sheet pile after the completion of engineering, by hawser through the auxiliary fixing hole on steel sheet pile and in crane gear
In the presence of steel sheet pile is extracted one by one from soil layer, cylindrical seal intracavitary footpath is then slightly smaller than using an action bars or diameter
Wooden stick directly cylindrical seal chamber is disclosed worn from top to bottom, release the leakage proof mud of cylindrical seal intracavitary, steel sheet pile rinsed
In case next time is reused after clean.
Further, in the c, Step d, fixation is provided with the outer surface between adjacent two steel plate pile bodies
Part, fixture are fixed on auxiliary fixing hole by fixing bolt.
The beneficial effects of the invention are as follows：
1. the present invention is fixedly installed the first hook connecting plate in the side of steel plate pile body, consolidate in the opposite side of steel plate pile body
Surely the second hook connecting plate is provided with, adjacent two pieces of steel sheet piles are fastened and connected by hook connecting plate, between adjacent steel sheet pile
The compactness and fastness of connection are obtained for raising, and then improve the overall stability that steel sheet pile encircles and hunts down structure.
2. present invention employs cylindrical seal chamber as sealed body structure, close across cylindricality between the longitudinally connected seam of twice
Cavity is sealed, extends infiltration path, and have leakage proof mud, leakage proof by action bars extrusion packing in cylindrical seal intracavitary
Mud seam longitudinally connected to twice and cylindrical seal cavity carry out closure sealing, have effectively blocked infiltration path, realize tight
Reliable hermetic seal.
3. the construction method of the present invention can be realized encircles and hunts down construction under water, easy construction, connected between adjacent steel sheet pile
Compactness is good, and by the way of cylindrical seal cavity blocks sealing, efficiently solve be difficult between adjacent steel sheet pile it is close
The technical barrier of sealing water, seepage problem have obtained perfect solution, and use range is extensive.
Brief description of the drawings
Fig. 1 is the first structural representation of the present invention.
Fig. 2 is Fig. 1 top view.
Fig. 3 is second of structural representation of the present invention.
Fig. 4 is Fig. 3 top view.
Fig. 5 is the front schematic view after the two neighboring steel sheet pile connection of the present invention.
Fig. 6 is the structural representation after the two neighboring steel sheet pile connection of the present invention.
Fig. 7 is the schematic diagram after cylindrical seal intracavitary extrusion packing leakage proof mud of the present invention..
Fig. 8 is the first structural representation of action bars of the present invention.
Fig. 9 is second of structural representation of action bars of the present invention.
In figure：Steel plate pile body 1, the first hook connecting plate 2, the second hook connecting plate 3, bore ground terminal 4, piling end 5, cylindricality
Annular seal space 6, arcwall face 7, staggered floor platform 8, auxiliary fixing hole 9, fixing bolt 10, fixture 11, action bars 12, bottom termination 13,
Sprocket hole 14, annular groove 15, boss 16, elastic attachment ring 17.
Embodiment
Below in conjunction with brief description of the drawings, the present invention is described in further detail with embodiment.
Referring to Fig. 1 to Fig. 9, hermetic seal structure, including steel plate pile body 1, steel are encircled and hunted down in a kind of underwater construction of the invention
To bore ground terminal 3, the upper end of steel plate pile body 1 is piling end 4 for the lower end of sheet pile body 1, it is characterised in that：The steel plate pile body
1 side is fixedly installed the first hook connecting plate 2, and the opposite side of steel plate pile body 1 is fixedly installed the second hook connecting plate
3, the first hook connecting plate 2 and the second hook connecting plate 3 axisymmetricly or center symmetric setting, the first hook connecting plate 2 and
The inner side of two hook connecting plates 3 is arranged to arcwall face 7, and arcwall face 7 is semicircle or U-shape structure, the first hook connecting plate 2 and phase
The second hook connecting plate 3 connection in adjacent steel plate pile body 1 coordinates, and two arcwall faces 7 after connection coordinates together constitute post
Shape annular seal space 6, extrusion packing has press-in in leakage proof mud, or cylindrical seal chamber 6 to be enclosed with closure in cylindrical seal chamber 6
The action bars 12 of leakproof mud.
Binding site between the hook connecting plate 2 of steel plate pile body 1 and first and the second hook connecting plate 3 is set
There is staggered floor platform 8, the height of staggered floor platform 8 is the first hook connecting plate 2 or the thickness of the second hook connecting plate 3, forms cylindrical seal
Intracavitary faying face between the first hook connecting plate 2 and the second hook connecting plate 3 of chamber 6 is smooth.
The steel plate pile body 1, which is located on the web of upper end, offers auxiliary fixing hole 9, adjacent two steel plate pile bodies
Fixture 11 is provided between 1, fixture 11 is fixed on auxiliary fixing hole 9 by fixing bolt 10.
The inner surface of the arcwall face 7 is smooth, and the outer arc radius of arcwall face 7 is laterally wide less than steel plate pile body 1
The 1/4 of degree, the bottom of cylindrical seal chamber 6 is provided with jointed shaft, is provided with jointed shaft for blocking cylindrical seal chamber bottom end
The gear clod of mouth, the bottom for keeping off clod is arranged to circular conical surface.
The length of the action bars 12 is more than longitudinal depth of cylindrical seal chamber 6, and the maximum gauge of action bars 12 is less than post
The internal diameter of shape annular seal space 6.
The bottom of the action bars 12 is provided with bottom termination 13, and the diameter of bottom termination 13 is more than the upper end of action bars 12
Diameter, the outside diameter of bottom termination 13 are less than the internal diameter of cylindrical seal chamber 6, and the upper end of bottom termination 13 and action bars 12 are cylindrical
Joint face between week is arranged to circular conical surface, and action bars 12 is provided with hollow axis hole, offered on the excircle of bottom termination 13
Annular groove 15, the bottom of bottom termination 13 and the bottom land of annular groove 15 offer sprocket hole 14 respectively, sprocket hole 14 with it is hollow
Axis hole is connected, and the upper end of hollow axis hole is connected with the delivery end of leakage proof mud.
The cross section of the action bars 12 is provided in round or ellipse, is equidistantly provided with the excircle of action bars 12
Multiple annulars or ellipse around boss 16, are fixed with elastic attachment ring 17, action bars 12 and boss 16 on the excircle of boss 16
Excircle on be enclosed with leakage proof mud.
Mixing and water adding is made after the leakage proof mud is crushed respectively using kaolin, clay and lime.
Hermetic seal construction method is encircled and hunted down in a kind of underwater construction, is comprised the following steps：
A, the steel sheet pile of appropriate length is selected according to construction depth and sealing depth, and according to encircling and hunting down shape and areal calculation goes out
The quantity of steel sheet pile, and sealed the bottom of the first hook connecting plate 2 and the second hook connecting plate 3 respectively by keeping off clod；
B, the brill ground terminal 4 of first piece of steel sheet pile is inserted perpendicularly into water-bed soil layer or in the surface soil layer of rich groundwater, and adopted
Impacted or pressed with piling end 5 of the pile compacting equipment to steel sheet pile so that steel sheet pile be at the uniform velocity perpendicularly inserted into water-bed soil layer or
In the soil layer of rich groundwater, and reach desired depth；
Second piece of steel sheet pile is vertically disposed in the side of first piece of steel sheet pile, and cause the first hook of second piece of steel sheet pile c,
Second hook connecting plate 3 of connecting plate 2 and first piece of steel sheet pile is interlockingly connected, the first hook connecting plate 2 of second piece of steel sheet pile with
Second hook connecting plate 3 of first piece of steel sheet pile together constitutes cylindrical seal chamber 6, is then set with same method using piling
The standby piling end 5 to second piece of steel sheet pile is impacted or pressed, and reaches desired depth；
D, the 3rd piece of steel sheet pile is inserted into water-bed soil layer or in the surface soil layer of rich groundwater in the same way again, and
Reach desired depth, and the second hook connecting plate 3 of the first hook connecting plate 2 of the 3rd piece of steel sheet pile and second piece of steel sheet pile
It is interlockingly connected, forms another cylindrical seal chamber 6, realizes the 4th piece of steel sheet pile, the 5th block of steel plate in the same way
... and the piling of last block steel sheet pile is in place, and cylindrical seal chamber 6 is all formed between adjacent two pieces of steel sheet piles；
E, slurry-mud made of leakage proof mud is filled into cylindrical seal chamber 6 by the delivery end of the upper end of action bars 12, simultaneously
Twitch action bars 12 up and down to incite somebody to action, and leakage proof mud consolidates, and makes leakage proof mud that the combination gap on cylindrical seal chamber 6 is abundant
Closure, or leakage proof mud drum is rolled on action bars 12 of the cross section for ellipse, perfusion is a small amount of in cylindrical seal chamber 6
Leakage proof slurry liquid, then action bars 12 is inserted into cylindrical seal chamber 6 and to bottom, subsequent rotating operation bar 12 and together
Step slowly injects leakage proof slurry liquid into the gap between action bars 12 and cylindrical seal chamber 6, until on cylindrical seal chamber 6
Combination gap fully block, realize hermetic seal；
When f, needing to remove steel sheet pile after the completion of engineering, reseted by hawser through the auxiliary fixing hole 9 on steel sheet pile and rising
Steel sheet pile is extracted one by one from soil layer in the presence of standby, cylindrical seal chamber is then slightly smaller than using an action bars 12 or diameter
Cylindrical seal chamber 6 is directly disclosed wear from top to bottom by the wooden stick of 6 internal diameters, the leakage proof mud in cylindrical seal chamber 6 is released, by steel plate
In case next time is reused after stake is rinsed well.
In the c, Step d, fixture 11 is provided with the outer surface between adjacent two steel plate pile bodies 1, Gu
Determine part 11 to be fixed on auxiliary fixing hole 9 by fixing bolt 10.
Referring to Fig. 1 to Fig. 5, steel plate pile body 1 is made of quality steel plate, and has certain thickness, being capable of conduct
Encircle and hunt down stake use.To bore ground terminal 3, the bottom for boring ground terminal 3 could be arranged to the inclined-plane meeting conical surface, bore ground for the lower end of steel plate pile body 1
End 3 is used to be inserted perpendicularly into water-bed soil layer or the surface soil layer of rich groundwater, and the upper end of steel plate pile body 1 be piling end 4, is pressed
Stake end 4 can suitably increase the bearing area of upper end horizontal plane, and piling end 4 is used for impact or the pressure for bearing pile compacting equipment.With
Tradition is encircled and hunted down unlike stake or steel sheet pile, and the present invention is fixedly installed the first hook connecting plate in the side of steel plate pile body 1
2, the side of steel plate pile body 1 is fixedly installed the second hook connecting plate 3, the first hook connecting plate 2 and the second hook connecting plate 3
Inner side be arranged to arcwall face 7, arcwall face 7 can also use U-shape structure or semiellipse type structure typically using semicircle.The
One hook connecting plate 2 and the second hook connecting plate 3 are axisymmetricly or center symmetric setting, symmetrical centre are perpendicular for steel plate pile body 1
Longitudinal center immediately.When being set using axial symmetry, the first hook connecting plate 2 and the second hook connecting plate 3 are located at steel plate respectively
The same side of pile body 1, referring to accompanying drawing 1 and accompanying drawing 2.During using center symmetric setting, the first hook connecting plate 2 and the second hook
Connecting plate 3 is located at the both sides of steel plate pile body 1 respectively, that is, on diagonal, referring to accompanying drawing 3 and accompanying drawing 4.
First hook connecting plate 2 is connected cooperation with the second hook connecting plate 3 on adjacent steel sheet pile body 1, and connection coordinates
Two arcwall faces 7 afterwards together constitute cylindrical seal chamber 6, and adjacent two pieces of steel sheet piles are fastened and connected by hook connecting plate
Afterwards, the hermetic seal problem between two pieces of adjacent steel sheet pile sheets is exactly the hermetic seal problem in cylindrical seal chamber 6, that is,
As long as realizing the hermetic seal in cylindrical seal chamber 6 can be realized as hermetic seal between two pieces of adjacent steel sheet pile sheets.
In addition, tradition is directly affixed the mode being abutted against side by side used by encircling and hunting down stake or steel sheet pile, it is adjacent to encircle and hunt down between stake or steel sheet pile
The connecting sewing of only one genesis analysis, infiltration path is very short, even if using unconventional sides such as sealing rubber strip, air bag sealings
Formula all can not effectively solve seepage problem, and seepage problem is difficult to solve.The structure of cylindrical seal chamber 6 of the present invention is in it
The twice that the longitudinally connected seam in portion is, Relative distribution extend infiltration path, and seepage problem coordinates other supplementary means to obtain
Solved to perfection, can solve existing technical barrier all the time.
In order to improve the reliability of adjacent steel sheet pile connection, loosened after avoiding connection, improve cylindrical seal chamber 6 into
Type tight ness rating, combination of the present invention also between the hook connecting plate 2 of steel plate pile body 1 and first and the second hook connecting plate 3
Position is provided with staggered floor platform 8, and the height of staggered floor platform 8 is the thickness of the first hook connecting plate 2 or the second hook connecting plate 3, adjacent
After soil layer is squeezed into, corresponding hook connecting plate can just be withstood on staggered floor platform 8 steel sheet pile, also play certain spacing work
With.Auxiliary fixing hole 9, adjacent two steel plate pile bodies are offered in addition, being also located in steel plate pile body 1 on the web of upper end
Fixture 11 is provided between 1, fixture 11 is fixed on auxiliary fixing hole 9 by fixing bolt 10, adjacent two blocks of steel plates
Stake is more firm after being connected using fixture 11.Fixing hole 9 is aided in make after fixing bolt 10 and fixture 11 is removed
Cable fixing hole is worn during to lift.Between the first hook connecting plate 2 and the second hook connecting plate 3 that form cylindrical seal chamber 6
Intracavitary faying face is smooth, is easy to follow-up carry out hermetic seal operation.
A kind of hermetic seal mode of cylindrical seal chamber 6 is as follows：Extrusion packing has leakage proof mud in cylindrical seal chamber 6,
The leakage proof mud is pulpous state, and leakage proof mud is filled into cylindrical seal chamber 6, and cylindricality annular seal space 6 can be abundant after tamping
Tamp, the longitudinally connected seam of the twice in cylindrical seal chamber 6 can also be blocked, and reach good hermetic seal effect.Filling
Action bars 12 is employed during note and tamping, the bottom of action bars 12 is provided with bottom termination 13, the diameter of bottom termination 13
More than the diameter of the upper end of action bars 12, the outside diameter of bottom termination 13 is less than the internal diameter of cylindrical seal chamber 6, bottom termination 13
Joint face between upper end and the excircle of action bars 12 is arranged to circular conical surface, and action bars 12 is provided with hollow axis hole, bottom termination
Annular groove 15 is offered on 13 excircle, the bottom of bottom termination 13 and the bottom land of annular groove 15 offer sprocket hole respectively
14, sprocket hole 14 is connected with hollow axis hole, and the upper end of hollow axis hole is connected with the delivery end of leakage proof mud.
Another hermetic seal mode of cylindrical seal chamber 6 is as follows：It is anti-to be enclosed with closure for press-in in cylindrical seal chamber 6
The action bars 12 of mud is leaked, the cross section of used action bars 12 is provided in round or ellipse, on the excircle of action bars 12
Spaced set has multiple annulars or ellipse around boss 16, and elastic attachment ring 17, action bars are fixed with the excircle of boss 16
12 and boss 16 excircle on be enclosed with leakage proof mud, so can be anti-with the less perfusion closure into cylindrical seal chamber 6
Leak mud.The action bars 12 for being enclosed with leakage proof mud is inserted into behind the inside of cylindrical seal chamber 6, it is necessary to continuous rotation process bar
12, and the synchronous slowly injection leakage proof slurry liquid into the gap between action bars 12 and cylindrical seal chamber 6, until action bars
Untill when 12 can not rotate, the combination gap on cylindrical seal chamber 6 fully blocks, two in cylindrical seal chamber 6 are so allowed for
The longitudinally connected seam in road can also be blocked, and can also reach preferable hermetic seal effect.
Mixing and water adding is made after leakage proof mud is crushed respectively using kaolin, clay and lime, according to the mass fraction,
By 10~15 parts of kaolin, 30~45 parts of clays, it is made after 5~16 parts of lime and 15~24 parts of water mixings.Kaolin
It is fine and smooth soft, there is good plasticity, mobility is also fine；Clay adhesive is good, good fluidity during in slurry condition, and half
It is not easy to flow after dry, it is easily hardened after compression；Lime can produce cementing, raising bulk strength after adding, moreover it is possible to viscosity is improved,
Resistance to water slug.Leakage proof mud is formed after being mixed using kaolin, clay, lime and water, materials are extensive, and cost is cheap,
Leakage proof mud combines the advantageous feature of kaolin, clay and lime, has reached good plasticity, viscosity and cementing
Bulk strength afterwards, after being filled into cylindrical seal chamber 6, by the mobility and viscosity at initial stage, longitudinal direction can be entered quickly
In in the connecting sewing and binding site gap of soil layer and steel sheet pile, then leakage proof is consolidated in perfusion in cylindrical seal chamber 6
After mud, the gap between the space of longitudinally connected seam and soil layer and steel sheet pile further can be compacted by leakage proof mud, closure
Viscosity is larger after leakproof earth rubber knot, and bulk strength is high, soaking-resistant and impact, has reached good hermetic seal effect, can be with
There is ne-leakage, cleverly solve technical barrier for a long time.
The construction method that hermetic seal structure is encircled and hunted down using the underwater construction of the present invention is specific as follows：It is deep according to construction first
The steel sheet pile of degree and sealing depth selection appropriate length, and according to encircling and hunting down shape and areal calculation goes out the quantity of steel sheet pile, and
The bottom of the first hook connecting plate 2 and the second hook connecting plate 3 is sealed respectively by keeping off clod.By the brill of first piece of steel sheet pile
Ground terminal 4 is inserted perpendicularly into water-bed soil layer or in the surface soil layer of rich groundwater, and using piling of the pile compacting equipment to steel sheet pile
End 5 is impacted or pressed so that steel sheet pile is at the uniform velocity perpendicularly inserted into water-bed soil layer or the soil layer of rich groundwater, and is reached
Desired depth.Then second piece of steel sheet pile be vertically disposed in the side of first piece of steel sheet pile, and cause second piece of steel sheet pile
Second hook connecting plate 3 of the first hook connecting plate 2 and first piece of steel sheet pile is interlockingly connected, and the first hook of second piece of steel sheet pile connects
Second hook connecting plate 3 of fishplate bar 2 and first piece of steel sheet pile together constitutes cylindrical seal chamber 6, is then adopted with same method
The piling end 5 of second piece of steel sheet pile is impacted or pressed with pile compacting equipment, and reaches desired depth.Again by the 3rd block of steel plate
Stake is inserted into water-bed soil layer or in the surface soil layer of rich groundwater in the same way, and reaches desired depth, and the
Second hook connecting plate 3 of the first hook connecting plate 2 of three pieces of steel sheet piles and second piece of steel sheet pile is interlockingly connected, and forms another
Cylindrical seal chamber 6, the 4th piece of steel sheet pile, the 5th piece of steel sheet pile ... and last block steel sheet pile are realized in the same way
Piling in place, all form cylindrical seal chamber 6 between adjacent two pieces of steel sheet piles.Can also be in two adjacent steel plate pile bodies 1
Between outer surface on be provided with fixture 11, fixture 11 is fixed on auxiliary fixing hole 9 by fixing bolt 10, to carry
The reliability of high adjacent steel sheet pile connection.
Slurry-mud made of leakage proof mud is filled into cylindrical seal chamber 6 by the delivery end of the upper end of action bars 12, simultaneously
Twitch action bars 12 up and down to incite somebody to action, and leakage proof mud consolidates, and makes leakage proof mud that the combination gap on cylindrical seal chamber 6 is abundant
Closure, or leakage proof mud drum is rolled on action bars 12 of the cross section for ellipse, perfusion is a small amount of in cylindrical seal chamber 6
Leakage proof slurry liquid, then action bars 12 is inserted into cylindrical seal chamber 6 and to bottom, subsequent rotating operation bar 12 and together
Step slowly injects leakage proof slurry liquid into the gap between action bars 12 and cylindrical seal chamber 6, until on cylindrical seal chamber 6
Combination gap fully block, realize hermetic seal, this completes encircle and hunt down and hermetic seal operation.
When needing to remove steel sheet pile after the completion of engineering, by hawser through the auxiliary fixing hole 9 on steel sheet pile and in lifting
Steel sheet pile is extracted one by one from soil layer in the presence of equipment, cylindrical seal is then slightly smaller than using an action bars 12 or diameter
The wooden stick of the internal diameter of chamber 6, which from top to bottom directly discloses cylindrical seal chamber 6, to be worn, and the leakage proof mud in cylindrical seal chamber 6 is released, by steel
In case next time is reused after sheet pile is rinsed well.Structure of the present invention is novel, and use cost is cheap, and construction is very convenient, adjacent steel
Can closely it be fastened and connected between sheet pile, monolithic stability is good, and more important is solve underwater construction for a long time to beat
The technical barrier of hermetic seal is enclosed, water on the outside of encircling and hunting down is avoided and largely penetrates into and pour in caused construction puzzlement.Using this
The construction method of invention is capable of the underwater of different depth and encircles and hunts down construction, and can reach depth and encircle and hunt down construction under water more than 10 meters
Operation, hermetic seal effect is good, can be widely used in underwater foundation and build construction, bridge pier maintenance construction, submerged structure base
Plinth is constructed and the dell base of rich groundwater encircles and hunts down construction, and operation strategies are extensive.
Above content is with reference to embodiment to the further description made by the present invention, it is impossible to thinks this hair
Bright specific implementation is confined to these explanations, for general technical staff of the technical field of the invention, is not taking off
On the premise of present inventive concept, the present invention also have it is various it is simple replace, improve and change, that is made various simply replaces
Change, improve and change, should all be considered as belonging to protection scope of the present invention.
Claims (10)
1. hermetic seal structure, including steel plate pile body are encircled and hunted down in a kind of underwater construction（1）, steel plate pile body（1）Lower end for bore
Ground terminal（3）, steel plate pile body（1）Upper end be piling end（4）, it is characterised in that：The steel plate pile body（1）Side fix
It is provided with the first hook connecting plate（2）, steel plate pile body（1）Opposite side be fixedly installed the second hook connecting plate（3）, first
Hook connecting plate（2）With the second hook connecting plate（3）Axisymmetricly or center symmetric setting, the first hook connecting plate（2）With
Two hook connecting plates（3）Inner side be arranged to arcwall face（7）, arcwall face（7）For semicircle or U-shape structure, the connection of the first hook
Plate（2）With adjacent steel sheet pile body（1）On the second hook connecting plate（3）Connection coordinates, two arcwall faces after connection cooperation
（7）Together constitute cylindrical seal chamber（6）, cylindrical seal chamber（6）Interior extrusion packing has leakage proof mud, or cylindrical seal chamber
（6）Interior press-in has the action bars for being enclosed with leakage proof mud（12）.
2. hermetic seal structure is encircled and hunted down in a kind of underwater construction according to claim 1, it is characterised in that：The steel sheet pile sheet
Body（1）With the first hook connecting plate（2）And the second hook connecting plate（3）Between binding site be provided with staggered floor platform（8）, it is wrong
Layer platform（8）Height be the first hook connecting plate（2）Or the second hook connecting plate（3）Thickness, form cylindrical seal chamber（6）'s
First hook connecting plate（2）With the second hook connecting plate（3）Between intracavitary faying face it is smooth.
3. hermetic seal structure is encircled and hunted down in a kind of underwater construction according to claim 1, it is characterised in that：The steel sheet pile sheet
Body（1）Auxiliary fixing hole is offered on the web of upper end（9）, adjacent two steel plate pile bodies（1）Between be provided with it is solid
Determine part（11）, fixture（11）Pass through fixing bolt（10）It is fixed on auxiliary fixing hole（9）On.
4. hermetic seal structure is encircled and hunted down in a kind of underwater construction according to claim 1, it is characterised in that：The arcwall face
（7）Inner surface it is smooth, and arcwall face（7）Outer arc radius be less than steel plate pile body（1）The 1/4 of transverse width, cylindricality
Annular seal space（6）Bottom be provided with jointed shaft, be provided with jointed shaft for blocking cylindrical seal chamber（6）The gear mud of bottom port
Block, the bottom for keeping off clod are arranged to circular conical surface.
5. hermetic seal structure is encircled and hunted down in a kind of underwater construction according to claim 1, it is characterised in that：The action bars
（12）Length be more than cylindrical seal chamber（6）Longitudinal depth, action bars（12）Maximum gauge be less than cylindrical seal chamber（6）'s
Internal diameter.
6. hermetic seal structure is encircled and hunted down in a kind of underwater construction according to claim 1, it is characterised in that：The action bars
（12）Bottom be provided with bottom termination（13）, bottom termination（13）Diameter be more than action bars（12）The diameter of upper end, bottom
Termination（13）Outside diameter be less than cylindrical seal chamber（6）Internal diameter, bottom termination（13）Upper end and action bars（12）It is cylindrical
Joint face between week is arranged to circular conical surface, action bars（12）It is provided with hollow axis hole, bottom termination（13）Excircle on open
Provided with annular groove（15）, bottom termination（13）Bottom and annular groove（15）Bottom land offer sprocket hole respectively（14）, it is defeated
Send hole（14）It is connected with hollow axis hole, the upper end of hollow axis hole is connected with the delivery end of leakage proof mud.
7. hermetic seal structure is encircled and hunted down in a kind of underwater construction according to claim 1, it is characterised in that：The action bars
（12）Cross section be provided in round or ellipse, action bars（12）Excircle on be equidistantly provided with multiple annulars or oval
Shape boss（16）, boss（16）Excircle on be fixed with elastic attachment ring（18）, action bars（12）And boss（16）It is outer
Leakage proof mud is enclosed with circumference.
8. hermetic seal structure is encircled and hunted down in a kind of underwater construction according to claim 1, it is characterised in that：The leakage proof
Mixing and water adding is made after mud is crushed respectively using kaolin, clay and lime.
9. hermetic seal construction method is encircled and hunted down in a kind of underwater construction, it is characterised in that is comprised the following steps：
A, the steel sheet pile of appropriate length is selected according to construction depth and sealing depth, and according to encircling and hunting down shape and areal calculation goes out
The quantity of steel sheet pile, and by keeping off clod by the first hook connecting plate（2）With the second hook connecting plate（3）Bottom seal respectively
Firmly；
B, by the brill ground terminal of first piece of steel sheet pile（4）It is inserted perpendicularly into water-bed soil layer or in the surface soil layer of rich groundwater, and
Using piling end of the pile compacting equipment to steel sheet pile（5）Impacted or pressed so that steel sheet pile is at the uniform velocity perpendicularly inserted into water-bed soil
In layer or the soil layer of rich groundwater, and reach desired depth；
Second piece of steel sheet pile is vertically disposed in the side of first piece of steel sheet pile, and cause the first hook of second piece of steel sheet pile c,
Connecting plate（2）With the second hook connecting plate of first piece of steel sheet pile（3）It is interlockingly connected, the first hook connecting plate of second piece of steel sheet pile
（2）With the second hook connecting plate of first piece of steel sheet pile（3）Together constitute cylindrical seal chamber（6）, then with same method
Piling end using pile compacting equipment to second piece of steel sheet pile（5）Impacted or pressed, and reach desired depth；
D, the 3rd piece of steel sheet pile is inserted into water-bed soil layer or in the surface soil layer of rich groundwater in the same way again, and
Reach desired depth, and the first hook connecting plate of the 3rd piece of steel sheet pile（2）It is connected with the second hook of second piece of steel sheet pile
Plate（3）It is interlockingly connected, forms another cylindrical seal chamber（6）, the 4th piece of steel sheet pile, the 5th block of steel plate are realized in the same way
... and the piling of last block steel sheet pile is in place, and cylindrical seal chamber is all formed between adjacent two pieces of steel sheet piles（6）；
E, slurry-mud made of leakage proof mud is passed through into action bars（12）The delivery end of upper end is filled into cylindrical seal chamber（6）It is interior,
Twitch action bars up and down simultaneously（12）Will, and leakage proof mud consolidates, and allows leakage proof mud by cylindrical seal chamber（6）On combination
Gap is fully blocked, or leakage proof mud drum is rolled in into action bars of the cross section for ellipse（12）On, in cylindrical seal chamber
（6）The a small amount of leakage proof slurry liquid of interior perfusion, then by action bars（12）It is inserted into cylindrical seal chamber（6）It is interior and arrive bottom, with
Rotating operation bar afterwards（12）It is and synchronous slowly to action bars（12）With cylindrical seal chamber（6）Between gap in inject leakage proof
Slurry liquid, until cylindrical seal chamber（6）On combination gap fully block, realize hermetic seal；
When f, needing to remove steel sheet pile after the completion of engineering, the auxiliary fixing hole on steel sheet pile is passed through by hawser（9）And in lifting
Steel sheet pile is extracted one by one from soil layer in the presence of equipment, then using an action bars（12）Or to be slightly smaller than cylindricality close for diameter
Seal chamber（6）The wooden stick of internal diameter is from top to bottom directly by cylindrical seal chamber（6）Disclose and wear, release cylindrical seal chamber（6）Interior closure is prevented
Mud is leaked, in case next time is reused after steel sheet pile is rinsed well.
10. hermetic seal construction method is encircled and hunted down in a kind of underwater construction according to claim 9, it is characterised in that：Described c, d
In step, adjacent two steel plate pile bodies（1）Between outer surface on be provided with fixture（11）, fixture（11）Pass through
Fixing bolt（10）It is fixed on auxiliary fixing hole（9）On.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100542.6A CN107794933B (en) | 2017-11-09 | 2017-11-09 | Hermetic seal structure and its construction method are encircled and hunted down in a kind of underwater construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100542.6A CN107794933B (en) | 2017-11-09 | 2017-11-09 | Hermetic seal structure and its construction method are encircled and hunted down in a kind of underwater construction |
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| Publication Number | Publication Date |
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| CN107794933A true CN107794933A (en) | 2018-03-13 |
| CN107794933B CN107794933B (en) | 2019-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117026835A (en) * | 2023-10-08 | 2023-11-10 | 中国土木工程集团有限公司 | Continuous beam pier underwater pouring support template for simple and easy quick construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0348012A1 (en) * | 1988-06-22 | 1989-12-27 | van Halteren, Tijmen | A method for applying a sheet pile wall, and auxiliary profile to be used therewith |
| CN1793527A (en) * | 2005-12-28 | 2006-06-28 | 上海市第一建筑有限公司 | Method for construction of underground continuous steel jacket box |
| CN105804102A (en) * | 2016-04-01 | 2016-07-27 | 上海城建市政工程（集团）有限公司 | Construction method for water cofferdam with double-barrel-shaped buckle piles |
| CN106988328A (en) * | 2017-05-22 | 2017-07-28 | 中铁局集团有限公司 | A kind of C c-types opening locked steel tube pilecofferdam and construction method |
-
2017
- 2017-11-09 CN CN201711100542.6A patent/CN107794933B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0348012A1 (en) * | 1988-06-22 | 1989-12-27 | van Halteren, Tijmen | A method for applying a sheet pile wall, and auxiliary profile to be used therewith |
| CN1793527A (en) * | 2005-12-28 | 2006-06-28 | 上海市第一建筑有限公司 | Method for construction of underground continuous steel jacket box |
| CN105804102A (en) * | 2016-04-01 | 2016-07-27 | 上海城建市政工程（集团）有限公司 | Construction method for water cofferdam with double-barrel-shaped buckle piles |
| CN106988328A (en) * | 2017-05-22 | 2017-07-28 | 中铁局集团有限公司 | A kind of C c-types opening locked steel tube pilecofferdam and construction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117026835A (en) * | 2023-10-08 | 2023-11-10 | 中国土木工程集团有限公司 | Continuous beam pier underwater pouring support template for simple and easy quick construction |
| CN117026835B (en) * | 2023-10-08 | 2023-12-08 | 中国土木工程集团有限公司 | Continuous beam pier underwater pouring support template for simple and easy quick construction |
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| CN107794933B (en) | 2019-02-26 |
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