Summary of the invention
The first purpose of this invention be for existing steel plate pilework it is simple, 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, and the defect and deficiency seriously perplexed is brought to underwater construction, now provides a kind of structurally reasonable, phase
The compactness connected between adjacent steel sheet pile is improved, and it is good to encircle and hunt down rear globality stability, and between adjacent steel sheet pile
Hermetic seal effect is greatly improved, be not in seep water water leakage situation a kind of underwater construction encircle and hunt down hermetic seal knot
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 construction seriously to frustrate, and construction risk is high
Defect and deficiency, one kind is now provided and is suitable for encircling and hunting down construction under water, the compactness connected between adjacent steel sheet pile is good,
It encircles and hunts down rear globality stability to be improved, and efficiently solves the technical problem 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 construction efficiency.
To realize above-mentioned first purpose, the technical solution of the invention is as follows: hermetic seal is encircled and hunted down in a kind of underwater construction
Structure, including steel plate pile body, the lower end of steel plate pile body are to bore ground terminal, and the upper end of steel plate pile body is piling end, feature
Be: the side of the steel plate pile body is fixedly installed the first hook connecting plate, the other 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 set as on the inside of type connecting plate and the second hook connecting plate, arcwall face is semicircle or U-shaped structure, and the first hook connects
Fishplate bar connect cooperation with the second hook connecting plate on adjacent steel sheet pile ontology, and two arcwall faces after connection cooperation collectively form
Cylindrical seal chamber, cylindrical seal intracavitary extrusion packing have leakage proof mud or the intracavitary indentation of cylindrical seal to be enclosed with envelope
The operating stick of stifled leakproof mud, the bottom of operating stick are provided with bottom end, and the diameter of bottom end is greater than the straight of operating stick upper end
Diameter, the outside diameter of bottom end is less than the internal diameter of cylindrical seal chamber, between the upper end and operating stick excircle of bottom end
Joint face is set as circular conical surface, and operating stick is provided with hollow axis hole, annular groove, bottom end are offered on the excircle of bottom end
The bottom of head and the slot bottom of annular groove offer sprocket hole respectively, and sprocket hole is connected with hollow axis hole, hollow axis hole it is upper
End is connected with the delivery end of leakage proof mud.
Further, the engaging 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 thickness of the first hook connecting plate or the second hook connecting plate, and it is close to constitute 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 to offer on the web of upper end, is auxiliarily fixed hole, two adjacent steel
Fixing piece is provided between sheet pile ontology, fixing piece is fixed on by fixing bolt and is auxiliarily fixed on hole.
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 articulated shaft, are equipped on articulated shaft for blocking cylindrical seal bottom of chamber
The gear clod of portion port, the bottom for keeping off clod are set as circular conical surface.
Further, the length of the operating stick is greater than longitudinal depth of cylindrical seal chamber, and the maximum gauge of operating stick is small
In the internal diameter of cylindrical seal chamber.
Further, the cross section of the operating stick is provided in round or ellipse, equidistant on the excircle of operating stick
Be provided with multiple annulars or ellipse around boss, be fixed with elastic attachment ring on the excircle of boss, operating stick and boss it is outer
Leakage proof mud is enclosed on 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, the technical solution of the invention is as follows: hermetic seal is encircled and hunted down in a kind of underwater construction
Construction method, it is characterised in that the following steps are included:
A, according to the steel sheet pile of construction depth and sealing depth selection appropriate length, and according to encircling and hunting down shape and area meter
The quantity of steel sheet pile is calculated, and is sealed the bottom end 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
Struck or pressed using piling end 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 predetermined depth;
C, second piece of steel sheet pile is vertically disposed in the side of first piece of steel sheet pile, and makes the first of second piece of steel sheet pile
Hook connecting plate and the second hook connecting plate of first piece of steel sheet pile are interlockingly connected, the first hook connecting plate of second piece of steel sheet pile with
Second hook connecting plate of first piece of steel sheet pile together constitutes cylindrical seal chamber, then uses pile compacting equipment with same method
The piling end of second piece of steel sheet pile is struck or pressed, and reaches predetermined depth;
D, third block steel sheet pile is inserted into water-bed soil layer or the surface soil layer of rich groundwater in the same way again
In, and reach predetermined depth, and the second hook of the first hook connecting plate of third block steel sheet pile and second piece of steel sheet pile connects
Fishplate bar is interlockingly connected, and forms another cylindrical seal chamber, 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, all forms cylindrical seal chamber between adjacent two pieces of steel sheet piles;
E, that slurry-mud made of leakage proof mud is filled into cylindrical seal by the delivery end of operating stick upper end is intracavitary, simultaneously
Operating stick is twitched up and down, and leakage proof mud consolidates, and leakage proof mud is allowed sufficiently to block in the combination gap on cylindrical seal chamber,
Or be rolled in leakage proof mud drum in the operating stick that cross section is ellipse, it is anti-in a small amount of closure of cylindrical seal intra-bladder instillation
It leaks slurry liquid, then operating stick is inserted into cylindrical seal is intracavitary and to bottom, and then rotation operating stick simultaneously synchronizes slowly to operation
Leakage proof slurry liquid is injected in gap between bar and cylindrical seal chamber, until the combination gap on cylindrical seal chamber is sufficiently sealed
It is stifled, realize hermetic seal;
F, it when needing to remove steel sheet pile after the completion of engineering, is passed through by hawser and hole is auxiliarily fixed and in lifting on steel sheet pile
Under the action of equipment steel sheet pile is extracted one by one from soil layer, cylindrical seal chamber is then slightly smaller than using an operating stick or diameter
Cylindrical seal chamber is directly disclosed wear from top to bottom by the wooden stick of internal diameter, the intracavitary leakage proof mud of cylindrical seal is released, by steel sheet pile
In case next time is reused after rinsing well.
Further, the c, in Step d, be provided with fixation on the outer surface between two adjacent steel plate pile bodies
Part, fixing piece are fixed on by fixing bolt and are auxiliarily fixed on hole.
The beneficial effects of the present invention are:
1. the present invention is fixedly installed the first hook connecting plate in the side of steel plate pile body, in the another of steel plate pile body
Side is fixedly installed the second hook connecting plate, and two pieces of adjacent steel sheet piles are fastened and connected by hook connecting plate, adjacent steel sheet pile
Between the compactness that connects and fastness be all improved, and then improve the overall stability that steel sheet pile encircles and hunts down structure.
2. present invention employs cylindrical seal chambers 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 operating stick extrusion packing cylindrical seal is 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. construction method of the invention can be realized and encircle and hunt down construction under water, easy construction, connected between adjacent steel sheet pile
Compactness is good, and using cylindrical seal cavity block sealing by the way of, efficiently solve be difficult to realize between adjacent steel sheet pile it is close
The technical problem of sealing water, seepage problem are solved perfectly, and use scope is extensive.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
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
The lower end of sheet pile ontology 1 is to bore ground terminal 5, and the upper end of steel plate pile body 1 is piling end 4, it is characterised in that: the steel plate pile body
1 side is fixedly installed the first hook connecting plate 2, and the other 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 inside of two hook connecting plates 3 is set as arcwall face 7, and arcwall face 7 is semicircle or U-shaped structure, the first hook connecting plate 2 and phase
The second hook connecting plate 3 in adjacent steel plate pile body 1 connects cooperation, and two arcwall faces 7 after connection cooperation together constitute column
Shape seal chamber 6, extrusion packing has indentation in leakage proof mud or cylindrical seal chamber 6 to be enclosed with closure in cylindrical seal chamber 6
The operating stick 12 of leakproof mud, the bottom of operating stick 12 are provided with bottom end 13, and the diameter of bottom end 13 is greater than operating stick 12
The diameter of upper end, the outside diameter of bottom end 13 are less than the internal diameter of cylindrical seal chamber 6, the upper end of bottom end 13 and operating stick
Joint face between 12 excircles is set as circular conical surface, and operating stick 12 is provided with hollow axis hole, on the excircle of bottom end 13
Annular groove 15 is offered, the bottom of bottom end 13 and the slot bottom of annular groove 15 offer sprocket hole 14, sprocket hole 14 respectively
It is connected with hollow axis hole, the upper end of hollow axis hole is connected with the delivery end of leakage proof mud.
Binding site setting between the steel plate pile body 1 and the first hook connecting plate 2 and the second hook connecting plate 3
There is staggered floor platform 8, the height of staggered floor platform 8 is the thickness of the first hook connecting plate 2 or the second hook connecting plate 3, constitutes 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 to offer on the web of upper end, is auxiliarily fixed hole 9, two adjacent steel plate pile bodies
Fixing piece 11 is provided between 1, fixing piece 11 is fixed on by fixing bolt 10 and is auxiliarily fixed on hole 9.
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 articulated shaft, is equipped on articulated shaft for blocking cylindrical seal chamber bottom end
The gear clod of mouth, the bottom for keeping off clod is set as circular conical surface.
The length of the operating stick 12 is greater than longitudinal depth of cylindrical seal chamber 6, and the maximum gauge of operating stick 12 is less than column
The internal diameter of shape seal chamber 6.
The cross section of the operating stick 12 is provided in round or ellipse, is equidistantly provided on the excircle of operating stick 12
Multiple annulars or ellipse around boss 16, are fixed with elastic attachment ring 17, operating stick 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, comprising the following steps:
A, according to the steel sheet pile of construction depth and sealing depth selection appropriate length, and according to encircling and hunting down shape and area meter
The quantity of steel sheet pile is calculated, and is sealed the bottom end of the first hook connecting plate 2 and the second hook connecting plate 3 respectively by keeping off clod
Firmly;
B, the brill ground terminal 5 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 the piling end 4 of steel sheet pile is struck or pressed using pile compacting equipment, 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 predetermined depth;
C, second piece of steel sheet pile is vertically disposed in the side of first piece of steel sheet pile, and makes the first of second piece of steel sheet pile
Hook connecting plate 2 and the second hook connecting plate 3 of first piece of steel sheet pile are interlockingly connected, the first hook connecting plate of second piece of steel sheet pile
2 and the second hook connecting plate 3 of first piece of steel sheet pile together constitute cylindrical seal chamber 6, then with same method using pressing
Stake equipment is struck or is pressed to the piling end 4 of second piece of steel sheet pile, and reaches predetermined depth;
D, third block steel sheet pile is inserted into water-bed soil layer or the surface soil layer of rich groundwater in the same way again
In, and reach predetermined depth, and the second hook of the first hook connecting plate 2 of third block steel sheet pile and second piece of steel sheet pile connects
Fishplate bar 3 is interlockingly connected, and 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, all forms cylindrical seal chamber 6 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 12 upper end of operating stick,
Twitch operating stick 12 up and down simultaneously, and leakage proof mud consolidates, and leakage proof mud is allowed to fill the combination gap on cylindrical seal chamber 6
Enfeoffment is stifled, or leakage proof mud drum is rolled in the operating stick 12 that cross section is ellipse, is perfused in cylindrical seal chamber 6 few
The leakage proof slurry liquid of amount, then operating stick 12 is inserted into cylindrical seal chamber 6 and to bottom, then rotate operating stick 12 simultaneously
It synchronizes and slowly injects leakage proof slurry liquid into the gap between operating stick 12 and cylindrical seal chamber 6, until cylindrical seal chamber 6
On combination gap sufficiently block, realize hermetic seal;
F, when needing to remove steel sheet pile after the completion of engineering, hole 9 is auxiliarily fixed and is rising on steel sheet pile is passed through by hawser
Steel sheet pile is extracted one by one from soil layer under the action of heavy equipment, it is close to be then slightly smaller than cylindricality using an operating stick 12 or diameter
The wooden stick of envelope 6 internal diameter of chamber, 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, will
In case next time is reused after steel sheet pile is rinsed well.
In the c, Step d, it is provided with fixing piece 11 on the outer surface between two adjacent steel plate pile bodies 1, Gu
Determine part 11 to be fixed on and be auxiliarily fixed on 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.The lower end of steel plate pile body 1 is to bore ground terminal 5, and the bottom end for boring ground terminal 5 can be set to the inclined-plane meeting conical surface, bores ground
End 5 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 is piling end 4, pressure
Stake end 4 can suitably increase the bearing area of upper end horizontal plane, and piling end 4 is used to bear the impact or pressure of 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
Inside be set as arcwall face 7, arcwall face 7 can also use U-shaped structure or semiellipse type structure generally 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 arranged using axial symmetry, the first hook connecting plate 2 and the second hook connecting plate 3 are located at steel plate
The same side of pile body 1, referring to attached drawing 1 and attached drawing 2.When using center symmetric setting, the first hook connecting plate 2 and the second hook
Connecting plate 3 is located at the two sides of steel plate pile body 1, that is, on diagonal line, referring to attached drawing 3 and attached drawing 4.
First hook connecting plate 2 connect cooperation, connection cooperation with the second hook connecting plate 3 on adjacent steel sheet pile ontology 1
Two arcwall faces 7 afterwards together constitute cylindrical seal chamber 6, and two pieces of adjacent 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 encircles and hunts down the mode for being directly affixed and being abutted against side by side used by 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.6 structure of cylindrical seal chamber 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 cooperates other supplementary means that can obtain
To being solved perfectly, existing technical problem all the time can solve.
In order to improve the reliability of adjacent steel sheet pile connection, loosened after avoiding connection, improve cylindrical seal chamber 6 at
Type tightness, combination of the present invention also between steel plate pile body 1 and the first hook connecting plate 2 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 squeezing into soil layer, corresponding hook connecting plate can be withstood on staggered floor platform 8 steel sheet pile, also played certain limit and made
With.Hole 9 is auxiliarily fixed in addition, also offering on the web that steel plate pile body 1 is located at upper end, two adjacent steel plate pile bodies
Fixing piece 11 is provided between 1, fixing piece 11 is fixed on by fixing bolt 10 and is auxiliarily fixed on hole 9, two blocks of adjacent steel plates
Stake is more firm after being connected using fixing piece 11.Hole 9 is auxiliarily fixed after removing fixing bolt 10 and fixing piece 11, can also make
Cable fixation hole is worn when to lift.Between the first hook connecting plate 2 and the second hook connecting plate 3 for constituting cylindrical seal chamber 6
Intracavitary faying face is smooth, is sealed sealing operation convenient for subsequent.
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 seal chamber 6 can be abundant after tamping
It tamps, the longitudinally connected seam of the twice in cylindrical seal chamber 6 can also be blocked, and good hermetic seal effect has been reached.It is filling
Operating stick 12 is used during note and tamping, the bottom of operating stick 12 is provided with bottom end 13, the diameter of bottom end 13
Greater than the diameter of 12 upper end of operating stick, the outside diameter of bottom end 13 is less than the internal diameter of cylindrical seal chamber 6, bottom end 13
Joint face between 12 excircle of upper end and operating stick is set as circular conical surface, and operating stick 12 is provided with hollow axis hole, bottom end
Annular groove 15 is offered on 13 excircle, the bottom of bottom end 13 and the slot bottom 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 indentation in cylindrical seal chamber 6
The operating stick 12 of mud is leaked, the cross section of used operating stick 12 is provided in round or ellipse, on the excircle of operating stick 12
Spaced set has multiple annulars or ellipse around boss 16, is fixed with elastic attachment ring 17, operating stick on the excircle of boss 16
12 and boss 16 excircle on be enclosed with leakage proof mud, in this way can the less perfusion into cylindrical seal chamber 6 block it is anti-
Leak mud.After the operating stick 12 for being enclosed with leakage proof mud is inserted into 6 inside of cylindrical seal chamber, continuous rotation process bar is needed
12, and synchronize and slowly inject leakage proof slurry liquid into the gap between operating stick 12 and cylindrical seal chamber 6, until operating stick
Until when 12 can not rotate, the combination gap on cylindrical seal chamber 6 sufficiently blocks, two in cylindrical seal chamber 6 are allowed in this way
The longitudinally connected seam in road can also be blocked, and ideal hermetic seal effect can have also been reached.
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 are 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 when being in slurry condition, and half
It is not easy to flow after dry, be easy after compression hardened;Lime can generate cementing, raising integral strength after being added, 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 extensively, low in cost,
Leakage proof mud combines the advantageous feature of kaolin, clay and lime, has reached good plasticity, viscosity and cementing
Integral strength afterwards, by the mobility and viscosity at initial stage, can enter longitudinal direction after being filled into cylindrical seal chamber 6 quickly
In connecting sewing and in the binding site gap of soil layer and steel sheet pile, leakage proof then is consolidated in perfusion in cylindrical seal chamber 6
After mud, the gap between the gap and soil layer and steel sheet pile of longitudinally connected seam can be further compacted by leakage proof mud, be blocked
Viscosity is larger after leakproof earth rubber knot, and integral strength is high, and soaking-resistant and impact have reached good hermetic seal effect, can be with
There is ne-leakage, cleverly solves technical problem for a long time.
The construction method for encircling and hunting down hermetic seal structure using underwater construction of the invention is specific as follows: 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 end of the first hook connecting plate 2 and the second hook connecting plate 3 is sealed respectively by gear clod.By the brill of first piece of steel sheet pile
Ground terminal 5 is inserted perpendicularly into water-bed soil layer or in the surface soil layer of rich groundwater, and the piling using pile compacting equipment to steel sheet pile
End 4 is struck or is 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
Predetermined depth.Then second piece of steel sheet pile is vertically disposed in the side of first piece of steel sheet pile, and makes 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
It is struck or is pressed with piling end 4 of the pile compacting equipment to second piece of steel sheet pile, and reach predetermined depth.Again by third block steel plate
Stake is inserted into the same way in water-bed soil layer or in the surface soil layer of rich groundwater, and reaches predetermined depth, and the
First hook connecting plate 2 of three pieces of steel sheet piles and the second hook connecting plate 3 of second piece of steel sheet pile are interlockingly connected, and form another
Cylindrical seal chamber 6 realizes the 4th piece of steel sheet pile, the 5th piece of steel sheet pile ... and last block steel sheet pile in the same way
Piling in place, all form cylindrical seal chamber 6 between adjacent two pieces of steel sheet piles.It can also be in two adjacent steel plate pile bodies 1
Between outer surface on be provided with fixing piece 11, fixing piece 11 is fixed on by fixing bolt 10 and is auxiliarily fixed on hole 9, to mention
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 12 upper end of operating stick, simultaneously
Operating stick 12 is twitched up and down, and leakage proof mud consolidates, and leakage proof mud is allowed sufficiently to seal in the combination gap on cylindrical seal chamber 6
It is stifled, or leakage proof mud drum is rolled in the operating stick 12 that cross section is ellipse, it is perfused on a small quantity in cylindrical seal chamber 6
Leakage proof slurry liquid, then operating stick 12 is inserted into cylindrical seal chamber 6 and to bottom, it is simultaneously synchronous then to rotate operating stick 12
Leakage proof slurry liquid is slowly injected into the gap between operating stick 12 and cylindrical seal chamber 6, until on cylindrical seal chamber 6
It is sufficiently blocked in conjunction with gap, realizes hermetic seal, this completes encircle and hunt down to operate with hermetic seal.
When needing to remove steel sheet pile after the completion of engineering, is passed through by hawser and hole 9 is auxiliarily fixed and in lifting on steel sheet pile
Under the action of equipment steel sheet pile is extracted one by one from soil layer, cylindrical seal is then slightly smaller than using an operating stick 12 or diameter
The wooden stick of 6 internal diameter of chamber, 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 invention is novel, and use cost is cheap, and construction is very convenient, adjacent steel
It is able to carry out between sheet pile and is closely fastened and connected, monolithic stability is good, and more important is solve underwater construction for a long time to beat
The technical problem for enclosing hermetic seal avoids water on the outside of encircling and hunting down and largely penetrates into and pour in brought construction puzzlement.Using this
What the construction method of invention was capable of different depth encircles and hunts down construction under water, and can reach depth is more than that 10 meters underwater encircles and hunts down construction
Operation, hermetic seal effect is good, can be widely used in underwater foundation and build construction, bridge pier maintenance construction, submerged structure base
The dell base of plinth construction and rich groundwater encircles and hunts down construction, and operation strategies are extensive.
The above content is specific embodiment further description to made by the present invention is combined, this hair must not believe that
Bright specific implementation is only limited to these instructions, and for those of ordinary skill in the art to which the present invention belongs, is not being taken off
Under the premise of present inventive concept, the present invention also has various simple replacements, improvements and changes, and that is made various simply replaces
It changes, improvements and changes, all shall be regarded as belonging to protection scope of the present invention.