CN102002945A - Capsule type anti-corrosion device with pile shoe and anti-corrosion and construction method using device - Google Patents
Capsule type anti-corrosion device with pile shoe and anti-corrosion and construction method using device Download PDFInfo
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- CN102002945A CN102002945A CN 201010133593 CN201010133593A CN102002945A CN 102002945 A CN102002945 A CN 102002945A CN 201010133593 CN201010133593 CN 201010133593 CN 201010133593 A CN201010133593 A CN 201010133593A CN 102002945 A CN102002945 A CN 102002945A
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Abstract
The invention relates to a capsule type anti-corrosion device with a pile shoe and an anti-corrosion and construction method using the device, the capsule type anti-corrosion device comprises a cylindrical coating capsule body made of anti-corrosion material, the inner surface and the outer surface of the coating capsule body are uneven surfaces, a supporting bottom is arranged at the lower part in the coating capsule body, the periphery of the supporting bottom is connected with the side wall of the coating capsule body, the hard anti-corrosion pile shoe is arranged in the coating capsule body, which is positioned at the lower end of the supporting bottom, at least one grouting pipe is arranged near to the outer side of the coating capsule body along the axial line direction the coating capsule body, the bottom end of each grouting pipe extends to the place which is near to the bottom end of the coating capsule body, and a low-pressure grouting hole and a plurality of high-pressure grouting holes are respectively arranged at the lower part of each grouting pipe, which is near to the supporting bottom. The invention aims at providing the capsule type anti-corrosion device with the pile shoe, which has reliable long-term anti-corrosion performance in a pile foundation and a composite foundation in a highly corrosive brine formation, and can reduce the expensive maintenance cost of the foundations of buildings and structures in the corrosive formation, and the anti-corrosion and construction method using the device.
Description
Technical field
The present invention relates to anticorrosive, coating utricule anti-corrosive apparatus that has shoe that corrodes in a kind of pile foundation that is applied to all kinds of traffic engineering, Industrial and Civil Engineering and the composite foundation and anticorrosion and corresponding construction method using this device to make.
Background technology
At present, has the offshore engineering construction of carrying out in the place that water conservancy gets in touch no matter be with seawater, or the large-scale construction project of carrying out in the inland brine lake area, all face the bittern stratum burn into of common buildings material is corroded and degrade problem, so that be forced to reduce the design service life of building, and cause the project later maintenance costly.Some investigation and correlation tests at building in the corrosivity place, structure show: bittern or salt lacustrine environment, and the salinized soil stratum around the salt lake has serious long-term corrosion and corrosion function to steel, concrete and loam brick.Under the salinized soil condition, ordinary concrete just begins efflorescence about 3 years, even if adopt safeguard measures such as epoxy coating or fiber glass epoxy, since weather and environmental factor, the organic protection layer accelerated ageing, and serious corrosion can take place in inner concrete.At present, not only cost is high in the passive protection that measures such as the malthoid isolation of adopting in some electric power of saline soil area and the construction of tunnel project, glass fiber reinforced plastic protection and granite basis are carried out, and corrosion protection result is also also not obvious, and normal application life, common less than was 20 years.
For the pile foundation in the highly corrosive bittern stratum, some traditional treatment method and the measure of existing improvement aseptic technic in the composite foundation engineering, mainly contain following some deficiency:
1. common steel bar concrete pile form be subjected to the bittern stratum chemical attack and physical erosion, degrade seriously, though bearing capacity is higher relatively, normal application life is very short, just need underpin overhaul once in general about 10 years, maintenance cost is very high;
2. the vertical foundation pile form of treatment process of composite foundation employing is generally broken stone pile, undesirable in its work progress to the enhancing effect of all salt marsh soil bodys of stake, and be subjected to the restriction of the replacement stone pile composite foundation globality in the salinized soil place, it is very big and difficult stable to load the groundwork TERM DEFORMATION, the foundation pile pile body easily produces bulging and destroys, and its carrying and deformation performance are difficult to meet the demands;
3. the fiber-reinforced composite clad aseptic technic of using in bridge or port works has the good engineering durability, but it mainly is applicable to the preformed pile type, and cost is higher, for general industry in the corrosivity place and civilian construction pile foundation, and inapplicable.
4. though adopt the mode of improving pile concrete and principal rod material behavior can satisfy the requirement of pile foundation corrosion-resistant, but the fabrication and installation complex process of pile body, and the expense of corresponding novel anti-corrosion material is much higher than conventional concrete, so this method can't be complementary with existing pile foundation construction ability and budget, ripe worker's method remains further to be developed.
At present, for such as under the highly corrosive site conditions such as bittern stratum, having comparatively the foundation pile guard technology and the matching operation worker method of general applicability in ground and the Foundation Design field, is an engineering roadblock being badly in need of solution.
Summary of the invention
The object of the present invention is to provide and a kind ofly can resist the chemical attack of bittern in the stratum and the physical crystal erosion effect of villaumite, effectively that bittern environment in the stratum and piling is isolated, has reliable long-term antiseptic property in pile foundation in highly corrosive bittern stratum and the composite foundation, when guaranteeing basic bearing capacity, significantly improve the service life of pile body, the pile foundation length of service is adapted with building projected life, it is built-in to reduce the corrosivity stratum, the maintenance cost that structure base is high, reduce pouring material consumption and engineering time, reduce common buildings basis corrosion-resistant construction cost in the corrosivity stratum, making and manufacture are flexible, can adapt to the requirement of multiple pile foundation and Foundation Treatment easily, the capsule formula anti-corrosive apparatus of band shoe easy to utilize and use the anticorrosion stake and the job practices of this device.
The capsule formula anti-corrosive apparatus of band shoe of the present invention, the coating utricule that comprises the tubular that anticorrosive is made, in the coating utricule, external surface is respectively rough surface, the bottom that coats in the utricule is provided with backing, the periphery of backing links to each other with the sidewall that coats utricule, coat the lower end that is positioned at backing in the utricule and be provided with an anticorrosion shoe of hard, near the coating utricule outside, be provided with at least one Grouting Pipe along the axis direction that coats utricule, the bottom of every Grouting Pipe extends to the bottom end vicinity that coats utricule, is provided with a low-pressure grouting hole and a plurality of high-pressure slip-castings hole in the bottom of every Grouting Pipe respectively near described backing place.
The capsule formula anti-corrosive apparatus of band shoe of the present invention, the inside and outside surface of wherein said coating utricule is respectively the latticed or cellular fin of fish scale shape or corrugated, coat utricule cross section be shaped as circle or regular polygon or " worker " font or " T " font or " recessed " font.
The capsule formula anti-corrosive apparatus of band shoe of the present invention, the aperture in wherein said low-pressure grouting hole is 10-50mm, the appearance in low-pressure grouting hole is enclosed with filter screen, the aperture in described high-pressure slip-casting hole is 5-36mm, the surface in high-pressure slip-casting hole is by the rubber sleeve hard-pressed bale, described coating utricule and described backing adopt polyethylene (PE) or polyvinyl chloride (PVC) or surface applied to have the geotextiles of corrosion-inhibiting coating or polyester plastic material to make, and coating utricule and backing thickness is 0.5-10mm.
The capsule formula anti-corrosive apparatus of band shoe of the present invention, wherein said coating utricule adopts high density polyethylene (HDPE) (HDPE) material to make, described backing comprises the sidewall of tubular, the height of cylindrical sidewall is 50-500mm, adopt stacked overlap joint hot extrusion to be weldingly connected between the sidewall of the cylindrical sidewall of backing and described coating utricule, the top of the cylindrical sidewall of backing has the edge of a wing of annular, the upper end on the annular edge of a wing is equipped with steel deck-plate, is provided with sealing joint strip or the asbestos cord wire rod or the rubber gasket of water-swellable between the annular edge of a wing of the bottom surface of steel deck-plate and described backing.
The capsule formula anti-corrosive apparatus of band shoe of the present invention, the thickness of wherein said steel deck-plate is 5-30mm, alkali-excited cement based cementitious material or the geopolymer slurries or the fixed formation of polymer cement mortar of described backing below perfusion fluidised form in described coating utricule is adopted in described anticorrosion shoe, be embedded with a plurality of connection rivets below the backing in coating utricule, a plurality of connection rivets are used to be connected and fixed described steel deck-plate.
The capsule formula anti-corrosive apparatus of band shoe of the present invention, the thickness of wherein said steel deck-plate is 5-30mm, described anticorrosion shoe is the cylindricality identical with the cross section of described coating utricule, the middle part of anticorrosion shoe is provided with cavity, the lateral wall of anticorrosion shoe is provided with the dark groove of multiple tracks 10-30mm, anticorrosion shoe links to each other with the colligation of described coating utricule by the multiple tracks clip that is positioned at groove, the middle part of steel deck-plate has through hole, the periphery of steel deck-plate middle part through hole has the sleeve of downward extension, and sleeve stretches into downwards in the described cavity.
Use the anticorrosion stake of the capsule formula anti-corrosive apparatus of band shoe of the present invention, the capsule formula anti-corrosive apparatus that comprises described band shoe, the top that is positioned at described backing in the described coating utricule of the capsule formula anti-corrosive apparatus of band shoe is filled with expansive concrete, in the expansive concrete along coating being axially arranged with at least one and adding rib component of utricule, the outside that coats utricule is enclosed with the fixed thin layer of expansive cement mortar, at top pouring alkali-excited cement slurries or the polymer cement mortar or the geopolymer slurries of expansive concrete, the back of condensing constitutes the anticorrosion pile cover of sealing.
Anticorrosion stake of the present invention, the end that the fixed thin layer of wherein said expansive cement mortar adopts the anticorrosion slurries that are mixed with the 6%-12% expansion agent to pass through Grouting Pipe injects fixed formation behind the stake hole, and being set with a plurality ofly respectively to medium-height trestle in each described upper, middle and lower portion that adds rib component, each adds and is respectively installed with an anti-guard housing on the rib component bottom end head.
The job practices of anticorrosion stake of the present invention comprises the steps:
A, in the boring of stake position place injection projected depth;
B, a stake hole is proposed related tool;
C, will insert in the stake hole, and will described anticorrosion shoe be placed to a predetermined position bottom the hole with the capsule formula anti-corrosive apparatus of shoe;
Insert tremie in the coating utricule of the capsule formula anti-corrosive apparatus of D, the band shoe in the stake hole, and by tremie continuous placing expansive concrete in coating utricule, expansive concrete is inserted the reinforcement member in the expansive concrete in the clad type utricule then at once near coating top in the utricule in coating utricule;
E, utilize the Grouting Pipe of the capsule formula anti-corrosive apparatus of band shoe, inject the anticorrosion slurries that are mixed with expansion agent with grouting pressure to the periphery of described coating utricule sidewall by the low-pressure grouting hole less than 0.5MPa, overflow ground until the anticorrosion slurries, after leaving standstill a period of time, inject the anticorrosion slurries in the space of grouting pressure between described coating utricule lateral wall and stake hole of each high-pressure slip-casting hole by Grouting Pipe again with 1-5MPa, form to coat the fixed thin layer of expansive cement mortar of utricule lateral wall after the slurry consolidation, and final and a hole sidewall soil body adhesive solidification are one;
F, to the pile body expansive concrete is fixed reach design strength and require after, with pile crown concrete chisel hair, and in the described coating utricule at pile crown position, build anticorrosive concrete to a little more than stake top design elevation, form anticorrosion pile cover after the sclerosis levelling.
Anticorrosion pile construction method of the present invention, insert the stake hole if run into the capsule formula anti-corrosive apparatus that exists underground water to hinder the band shoe in the hole among the wherein said step C, after described anticorrosion shoe sinking is in the underground water, utilize drainage pump by the underground water in the extraction stake hole, low-pressure grouting hole of described Grouting Pipe bottom, progressively anticorrosion shoe is inserted into predetermined depth simultaneously;
Anticorrosion pile construction method of the present invention, insert the stake hole if run into the capsule formula anti-corrosive apparatus that exists underground water to hinder the band shoe in the hole among the wherein said step C, tremie is inserted in the described coating utricule in advance, and will coat utricule and the conduit colligation is fixed, utilize the deadweight of tremie to offset buoyancy force of underground water, thus will be with the capsule formula anti-corrosive apparatus sinking of shoe to predetermined depth.
Anticorrosion pile construction method of the present invention comprises also in the wherein said steps A and utilizes all casing drill that by the drill bit casting drilling and forming hole in steel sleeve and the steel sleeve, bore diameter is 600～1500mm; Utilizing the flow of tremie perfusion expansive concrete among the described step D is 0.05～1.0m
3/ min, the described rib component employing slotting reinforcing cage technology in vibration back in the pile body expansive concrete that adds is inserted; In the described step e, also be included in before coating the slip casting of utricule sidewall, utilize all casing drill to pursue joint and extract steel sleeve, meanwhile or afterwards implement stake side grouting with plunger.
Anticorrosion pile construction method of the present invention also comprises jumping chisel frame high pressure jet grouting rig in placely in the wherein said steps A, adopt low-pressure fuel injection slurry coat method or cement paste or clear water drilling and forming hole to projected depth in the face of land casing at stake position place; Also be included among the described step B carry brill before, start high-pressure hydraulic pump, pump pressure 20～40MPa and low-pressure grouting pump, pump pressure 2～8MPa, simultaneously the speed with rotating speed: 8～25r/min, speed-raising: 8～25cm/min promotes drilling rod gradually to the face of land; Also comprising among the described step C will band capsule formula anti-corrosive apparatus of shoe and vibratory impulse hammer installation in position, and under the jerk effect of vibratory impulse hammer, will shake with the capsule formula anti-corrosive apparatus of shoe gradually to charge and attack into to desired depth in the slurries of stake hole; Be 0.05～1.0m at the flow of in the coating utricule of capsule formula anti-corrosive apparatus of band shoe, building expansive concrete among the described step D
3/ min, the described rib component that adds adopts the slotting reinforcing cage technology in vibration back to insert.
Anticorrosion pile construction method of the present invention, also comprise in the wherein said steps A and prepare crane, more piece steel sleeve and grab bucket, utilize grab bucket in head saves steel sleeve, to dig out the soil body at place, stake position, discharge gradually along with the soil body in the steel sleeve, steel pipe slip casting sinks down into a little more than the face of land and locates, hang the second joint steel sleeve then, the bottom of the second joint steel pipe is connected with first segment steel pipe top, finishing the connection back continues to utilize grab bucket will discharge a stake hole than the corrosivity soil body in the second joint steel pipe of depths towards the mode of grabbing, so circulation is sunk to the designing pile length degree of depth until steel sleeve; Also comprise among the described step B grab bucket is proposed the stake hole; The Grouting Pipe of capsule formula anti-corrosive apparatus of utilizing the band shoe in the described step e by the low-pressure grouting hole to inject when being mixed with the anticorrosion slurries of expansion agent to the peripheral sidewall of described coating utricule less than the grouting pressure of 0.5MPa, utilizing high-frequency electric machines to drive the heavy pipe extractor of vibration extracts steel sleeve by joint, after utilizing the heavy pipe extractor of vibration that whole penstock vibrations are promoted out a hole, continue slip casting and overflow a hole until the anticorrosion slurries; In the described step F, after adding rib component and being placed to the position, treat the initial set of pile body expansive concrete after, with pile crown concrete chisel hair, and in the described utricule at pile crown position the colligation distributing bar, build anticorrosive concrete to a little more than stake top design elevation, form anticorrosion pile cover after the sclerosis levelling.
Compare with anticorrosion process with foundation treatment technology with the pile foundation in the existing salinized soil stratum, the present invention has the following advantages:
1, the capsule formula anti-corrosive apparatus of band shoe of the present invention and use the anticorrosion stake and the job practices of this device, can be in the clad type utricule of the physical crystal erosion effect of the chemical attack that can effectively resist bittern in the stratum and villaumite with the complete sealed envelope of pile body supporting body, effectively that bittern environment in the stratum and piling is isolated, significantly improve the service life of the main bearing structure of pile body, reduced the maintenance cost that the corrosivity stratum is built-in, structure base is high.
2, the capsule formula anti-corrosive apparatus of band shoe of the present invention and use the anticorrosion stake and the job practices of this device, material and aseptic technic ripe in existing building material and the petrochemical industry have been improved, reduce pouring material consumption and engineering time, also can reduce common buildings basis corrosion-resistant construction cost in the corrosivity stratum simultaneously.
3, use the capsule formula anti-corrosive apparatus of band shoe of the present invention and use the anticorrosion stake and the job practices of this device, the construction technology maturation of its primary structure and technology, making and manufacture are flexible, can adapt to the requirement of multiple pile foundation and Foundation Treatment easily, and be easy to utilize.
Below in conjunction with drawings and the specific embodiments in detail the present invention is described in detail.
Description of drawings
Fig. 1 has a kind of front view of embodiment of the flexible bladder type anti-corrosive apparatus of shoe for the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the vertical view in the B-B cross section of Fig. 1;
Fig. 4 has the front view of another kind of embodiment of the flexible bladder type anti-corrosive apparatus of shoe for the present invention;
Fig. 5 is the structural representation of the cross section of " T " font for coating utricule;
Fig. 6 is the structural representation of the cross section of " worker " font for coating utricule;
Fig. 7 is the structural representation of the cross section of " recessed " font for coating utricule;
Fig. 8 is for using anticorrosion front view of the flexible bladder type anti-corrosive apparatus that has shoe shown in Figure 1;
Fig. 9 is for using anticorrosion front view of the flexible bladder type anti-corrosive apparatus that has shoe shown in Figure 4;
Figure 10 a-10h is the technique process schematic diagram of a kind of job practices of anticorrosion stake of the present invention;
Figure 11 a-11f is the technique process schematic diagram of the another kind of job practices of anticorrosion stake of the present invention;
Figure 12 a-12g is the technique process schematic diagram of another job practices of anticorrosion stake of the present invention.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the capsule formula anti-corrosive apparatus of band shoe of the present invention, the coating utricule 1 that comprises the tubular that anticorrosive is made, in the coating utricule 1, external surface is respectively rough surface, be specifically as follows latticed or cellular fin of fish scale shape or corrugated surface, the bottom that coats in the utricule 1 is provided with backing 2, backing 2 comprises the sidewall of tubular, the height of cylindrical sidewall is 50-500mm, adopt stacked overlap joint hot extrusion to be weldingly connected between the sidewall of the cylindrical sidewall of backing 2 and coating utricule 1, the top of the cylindrical sidewall of backing 2 has the edge of a wing of annular, the upper end on the annular edge of a wing is equipped with steel deck-plate 5, the thickness of steel deck-plate 5 is 5-30mm, is provided with sealing joint strip or the asbestos cord wire rod or the rubber gasket of water-swellable between the annular edge of a wing of the bottom surface of steel deck-plate 5 and backing 2.
Coat the lower end that is positioned at backing 2 in the utricule 1 and be provided with an anticorrosion shoe 3 of hard, near coating utricule 1 outside, be provided with five Grouting Pipe 4 along the axis direction that coats utricule 1, the bottom of every Grouting Pipe 4 extends to the bottom end vicinity that coats utricule 1, is provided with a low-pressure grouting hole 6 and a plurality of high-pressure slip-castings hole 7 in the bottom of every Grouting Pipe 4 respectively near backing 2 places.The aperture in low-pressure grouting hole 6 is 10-50mm, the appearance in low-pressure grouting hole 6 is enclosed with filter screen 8, the aperture in high-pressure slip-casting hole 7 is 5-36mm, the surface in high-pressure slip-casting hole 7 is by the rubber sleeve hard-pressed bale, coating utricule 1 and backing 2 employing polyethylene (PE) or polyvinyl chloride (PVC) or surface applied has the geotextiles of corrosion-inhibiting coating or polyester plastic material to make, and coating utricule 1 and backing 2 thickness is 0.5-10mm.
The cross sectional shape of above-mentioned coating utricule 1 can be arranged to circle or regular polygon according to the size and the shape in aperture, stake hole, so that processing and fabricating, the diameter of its cross sectional shape or girth can adopt the diameter that is equal to or slightly less than a hole or the size of girth; When after adopting the anticorrosion utricule of clad type, inserting some foundation piles in technology or the basis as bending resistance, anti-floating or shear structure member, the cross sectional shape that also can will coat utricule 1 according to the different bearer properties of foundation pile is made into " worker " font as shown in Figure 6, or T-shape as shown in Figure 5, or " recessed " type as shown in Figure 7, specifically can be long, the characteristics on load bearing requirements, form of reinforcement and corrosivity stratum comprehensively determine according to stake.Coating utricule 1 also can adopt high density polyethylene (HDPE) (HDPE) material to make.
Alkali-excited cement based cementitious material or the geopolymer slurries or the fixed formation of polymer cement mortar of backing 2 belows perfusion fluidised form in coating utricule 1 is adopted in anticorrosion shoe 3, be embedded with a plurality of connection rivets 9 below the backing 2 in coating utricule 1, a plurality of connection rivets 9 are used to be connected and fixed steel deck-plate 5.
As shown in Figure 4, anticorrosion shoe 3 also can be and the identical cylindricality of cross section that coats utricule 1, the middle part of anticorrosion shoe 3 is provided with cavity 11, the lateral wall of anticorrosion shoe 3 is provided with the dark groove of multiple tracks 10-30mm 12, anticorrosion shoe 3 links to each other with 1 colligation of coating utricule by the multiple tracks clip 10 that is positioned at groove 12 places, the middle part of steel deck-plate 5 has through hole, and the periphery of steel deck-plate 5 middle part through holes has the sleeve of downward extension, and sleeve stretches into downwards in the cavity 11.
The sealing corrosion of the capsule formula anti-corrosive apparatus of band shoe of the present invention design core is to be realized being tightly connected fully with last top pressure closure structure and lower seal backing structure in the upper and lower termination of the anticorrosion utricule of clad type, thus with pile shaft material and on every side the corrosivity stratum isolate fully.In use, to being in than the coating utricule 1 in the severe corrosive environment, being tightly connected of its lower end and anticorrosion shoe 3 can be adopted outer embedded and be embedded in two kinds of different modes of formula.When adopting embedded connection outward, the side of anticorrosion shoe 3 makes thick a plurality of grooves 12 with certain depth and curvature, and will coat the bending of utricule 1 appropriateness and be placed in the groove, in groove 12, inject binding material then, will coat utricule 1 and anticorrosion shoe 3 in predetermined position simultaneously and fix realization and be tightly connected; Also the lower end that coats utricule 1 directly can be implanted in the mould in the not solidified anti-corrosion concrete material, realize coating being tightly connected of utricule 1 and coating utricule 1 lower end wait to solidify after.When employing is embedded in the formula connection, anticorrosion shoe 3 all or part of coating utricule 1 lower ends that are embedded in sealing of moulding will be made, simultaneously for guaranteeing to be embedded in the intensity of formula connection, also can go into lute in or brush certain thickness cementitious materials, utilize the mode of multiple tracks clip 10 lockings to realize connecting fastening again in coating utricule termination, 1 lower end and 3 linings of anticorrosion shoe.
The capsule formula anti-corrosive apparatus specific embodiment of band shoe of the present invention can be:
1, get long * wide: the inside and outside surface of the HDPE material of 15.65m * 1.3m, thick 1.2mm has one of the geo-membrane material of twill-like coarse grids, its minor face is prolonged 10cm and 5cm inwardly turns down twice, and its minor face utilized Hot welding welding growth 15m, diameter 0.41m after by circumferential overlap joint 40mm, the upper end is uncovered, the lower end is the cylinder of interior hollow toroid; Cut out the same material envelop materials that is complementary with cylindrical shell indent lower end size, after the compacting, implement indent bending hot weld splicing, make the coating utricule 1 that the upper end is uncovered, the lower end indent is sealed;
2, adopt alkali to excite concrete material in the mould of making in advance, to pour into a mould anticorrosion shoe 3, the alkali of cast excites and mixes certain short fiber in the concrete, to improve concrete cracking resistance, when treating that alkali excites concrete to be in stream to mould～mould firmly overlooking state, under the situation of the not demoulding, pluck out wide 1.4mm, the groove 12 of dark about 100mm, in groove 12, pour into the polyesters colloidal materials, to coat utricule 1 lower end inner concave simultaneously and pass in the mud jacking pipeline insertion cutting that connects, and finish coating utricule 1 lower end and be tightly connected.
As shown in Figure 8, use the anticorrosion stake of the capsule formula anti-corrosive apparatus of band shoe of the present invention, the capsule formula anti-corrosive apparatus that comprises band shoe as shown in Figure 1, the top that is positioned at backing 2 in the coating utricule 1 of the capsule formula anti-corrosive apparatus of this band shoe is filled with expansive concrete 13, expansion agent in the concrete adopts the UEA-H high performance expansion admixture, volume is 8.5%, in the expansive concrete 13 along coating being axially arranged with 3-6 and adding rib component 14 of utricule 1, the outside that coats utricule 1 is enclosed with the fixed thin layer 16 of expansive cement mortar, when concrete expands near stationary value by the time, cut unnecessary geomembrane, and the upper end that the mode that adopts indent hot weld splicing is finished the clad type utricule is tightly connected, at top pouring alkali-excited cement slurries or the polymer cement mortar or the geopolymer slurries of expansive concrete 13, the back of condensing constitutes the anticorrosion pile cover 18 of sealing.The end that the fixed thin layer 16 of expansive cement mortar adopts the anticorrosion slurries 19 that are mixed with the 6%-12% expansion agent to pass through Grouting Pipe 4 injects fixed formation behind the stake hole, and being set with a plurality ofly respectively to medium-height trestle 15 in the upper, middle and lower portion that each adds rib component 14, each adds and is respectively installed with an anti-guard housing 17 on the termination, rib component 14 bottom.
To being in relatively than coating utricule 1 upper end in the weak erosive environment, can adopt the top pressure closure structure to seal connection, specifically can select for use the mode that material of the same type splices the anticorrosion bed course of after-pouring to finish according to clad type envelop materials characteristics; Also the utricule upper end can be retained as uncovered form, pour into a mould certain thickness anti-corrosion concrete after, directly pile body and sole plate are cast for one.
Anticorrosion stake shown in Figure 9, employing be the capsule formula anti-corrosive apparatus of band shoe shown in Figure 4, except wherein anticorrosion shoe 3 parts with anticorrosion stake shown in Figure 5 different, the structure of other parts of anticorrosion and shown in Figure 5 basic identical.
Referring to Figure 10 a-10h, the job practices of anticorrosion stake of the present invention comprises the steps:
A, utilize all casing drill, be drilled in the boring of stake position place's injection projected depth by the drill bit castings in steel sleeve 21 and the steel sleeve 21, bore diameter is 600～1500mm;
B, a stake hole is proposed for drilling rod and drill bit;
C, will insert in the stake hole, and will described anticorrosion shoe 3 be placed to a predetermined position bottom the hole with the capsule formula anti-corrosive apparatus of shoe;
E, utilize the Grouting Pipe 4 of the capsule formula anti-corrosive apparatus of band shoe, inject the anticorrosion slurries 19 that are mixed with expansion agent with grouting pressure to the periphery of described coating utricule 1 sidewall by low-pressure grouting hole 6 less than 0.5MPa, overflow ground until anticorrosion slurries 19, after leaving standstill a period of time, inject anticorrosion slurries 19 in the space of grouting pressure between described coating utricule 1 lateral wall and stake hole of each high-pressure slip-casting hole 7 by Grouting Pipe 4 again with 1-5MPa, form to coat the fixed thin layer 16 of expansive cement mortar of utricule 1 lateral wall after the slurry consolidation, and final and a hole sidewall soil body adhesive solidification are one; Before coating utricule 1 sidewall slip casting, utilize all casing drill to pursue joint and extract steel sleeve 21, meanwhile or afterwards implement stake side grouting with plunger;
F, to pile body expansive concrete 13 is fixed reach design strength and require after, with pile crown concrete chisel hair, and in the described coating utricule 1 at pile crown position, build anticorrosive concrete to a little more than stake top design elevation, form anticorrosion pile cover 18 after the sclerosis levelling.
Insert the stake hole if run into the capsule formula anti-corrosive apparatus that exists underground water to hinder the band shoe in the hole among the above-mentioned steps C, after described anticorrosion shoe 3 sinkings are in the underground water, the underground water in the stake hole is extracted in the low-pressure grouting hole 6 that utilizes drainage pump to pass through Grouting Pipe 4 bottoms out, progressively anticorrosion shoe 3 is inserted into predetermined depth simultaneously;
Insert the stake hole if run into the capsule formula anti-corrosive apparatus that exists underground water to hinder the band shoe in the hole among the above-mentioned steps C, tremie 20 is inserted in the described coating utricule 1 in advance, and will coat utricule 1 and fix with conduit 20 colligations, utilize the deadweight of tremie 20 to offset buoyancy force of underground water, thus will be with the capsule formula anti-corrosive apparatus sinking of shoe to predetermined depth.
Referring to Figure 11 a-11f, the job practices of anticorrosion stake of the present invention comprises the steps:
A, in the boring of stake position place injection projected depth, concrete grammar be that jumping chisel frame high pressure jet grouting rig 22 is in place, employing low-pressure fuel injection slurry coat method or cement paste 24 or clear water 25 drilling and forming holes are to projected depth in the face of land casing 23 at place, stake position;
B, start high-pressure hydraulic pump, pump pressure 20～40MPa and low-pressure grouting pump, pump pressure 2～8MPa is simultaneously with rotating speed: 8～25r/min, speed-raising: promote drilling rod to the face of land while the speed of 8～25cm/min is sprayed;
C, will hammer 26 installation in position into shape, and under the jerk effect of vibratory impulse hammer 26, will in the slurries of stake hole, shake with the capsule formula anti-corrosive apparatus of shoe gradually and charge and attack into to desired depth with the capsule formula anti-corrosive apparatus and the vibratory impulse of shoe;
E, utilize the Grouting Pipe 4 of the capsule formula anti-corrosive apparatus of band shoe, inject the anticorrosion slurries 19 that are mixed with expansion agent with grouting pressure to the periphery of described coating utricule 1 sidewall by low-pressure grouting hole 6 less than 0.5MPa, overflow ground until anticorrosion slurries 19, after leaving standstill a period of time, inject anticorrosion slurries 19 in the space of grouting pressure between described coating utricule 1 lateral wall and stake hole of each high-pressure slip-casting hole 7 by Grouting Pipe 4 again with 1-5MPa, form to coat the fixed thin layer 16 of expansive cement mortar of utricule 1 lateral wall after the slurry consolidation, and final and a hole sidewall soil body adhesive solidification are one;
F, to pile body expansive concrete 13 is fixed reach design strength and require after, with pile crown concrete chisel hair, and in the described coating utricule 1 at pile crown position, build anticorrosive concrete to a little more than stake top design elevation, form anticorrosion pile cover 18 after the sclerosis levelling.
Insert the stake hole if run into the capsule formula anti-corrosive apparatus that exists underground water to hinder the band shoe in the hole among the above-mentioned steps C, after described anticorrosion shoe 3 sinkings are in the underground water, the underground water in the stake hole is extracted in the low-pressure grouting hole 6 that utilizes drainage pump to pass through Grouting Pipe 4 bottoms out, progressively anticorrosion shoe 3 is inserted into predetermined depth simultaneously;
Insert the stake hole if run into the capsule formula anti-corrosive apparatus that exists underground water to hinder the band shoe in the hole among the above-mentioned steps C, tremie 20 is inserted in the described coating utricule 1 in advance, and will coat utricule 1 and fix with conduit 20 colligations, utilize the deadweight of tremie 20 to offset buoyancy force of underground water, thus will be with the capsule formula anti-corrosive apparatus sinking of shoe to predetermined depth.
Referring to Figure 12 a-12g, the job practices of anticorrosion stake of the present invention comprises the steps:
A, prepare crane, more piece steel sleeve 21 and grab bucket 27, utilize grab bucket 27 in head saves steel sleeve 21, to dig out the soil body at place, stake position, discharge gradually along with the soil body in the steel sleeve, steel pipe slip casting sinks down into a little more than the face of land and locates, hang the second joint steel sleeve 21 then, the bottom of the second joint steel pipe is connected with first segment steel pipe top, finishing the connection back continues to utilize grab bucket 27 will discharge a stake hole than the corrosivity soil body in the second joint steel pipe of depths towards the mode of grabbing, so circulation is sunk to the designing pile length degree of depth until steel sleeve 21;
B, the 27 proposition stake holes of will grabbing bucket;
C, will insert in the stake hole, and will described anticorrosion shoe 3 be placed to a predetermined position bottom the hole with the capsule formula anti-corrosive apparatus of shoe;
E, utilize the Grouting Pipe 4 of the capsule formula anti-corrosive apparatus of band shoe, inject the anticorrosion slurries 19 that are mixed with expansion agent with grouting pressure to the periphery of described coating utricule 1 sidewall by low-pressure grouting hole 6 less than 0.5MPa, overflow ground until anticorrosion slurries 19, after leaving standstill a period of time, inject anticorrosion slurries 19 in the space of grouting pressure between described coating utricule 1 lateral wall and stake hole of each high-pressure slip-casting hole 7 by Grouting Pipe 4 again with 1-5MPa, form to coat the fixed thin layer 16 of expansive cement mortar of utricule 1 lateral wall after the slurry consolidation, and final and a hole sidewall soil body adhesive solidification are one;
Utilize in the described step e band shoe capsule formula anti-corrosive apparatus Grouting Pipe 4 by low-pressure grouting hole 6 with less than the grouting pressure of 0.5MPa when the peripheral sidewall of described coating utricule 1 injects the anticorrosion slurries 19 that are mixed with expansion agent, utilizing high-frequency electric machines 29 to drive the heavy pipe extractor 28 of vibration extracts steel sleeve 21 by joint, after utilizing the heavy pipe extractor 28 of vibration that whole penstock vibrations are promoted out a hole, continue slip casting and overflow a hole until anticorrosion slurries 19; In the described step F, add rib component 14 lay put in place after, treat 13 initial sets of pile body expansive concrete after, with pile crown concrete chisel hair, and in the utricule 1 at pile crown position the colligation distributing bar, build anticorrosive concrete to a little more than stake top design elevation, form anticorrosion pile cover 18 after the sclerosis levelling.
F, to pile body expansive concrete 13 is fixed reach design strength and require after, with pile crown concrete chisel hair, and in the described coating utricule 1 at pile crown position, build anticorrosive concrete to a little more than stake top design elevation, form anticorrosion pile cover 18 after the sclerosis levelling.
Insert the stake hole if run into the capsule formula anti-corrosive apparatus that exists underground water to hinder the band shoe in the hole among the above-mentioned steps C, after described anticorrosion shoe 3 sinkings are in the underground water, the underground water in the stake hole is extracted in the low-pressure grouting hole 6 that utilizes drainage pump to pass through Grouting Pipe 4 bottoms out, progressively anticorrosion shoe 3 is inserted into predetermined depth simultaneously;
Insert the stake hole if run into the capsule formula anti-corrosive apparatus that exists underground water to hinder the band shoe in the hole among the above-mentioned steps C, tremie 20 is inserted in the described coating utricule 1 in advance, and will coat utricule 1 and fix with conduit 20 colligations, utilize the deadweight of tremie 20 to offset buoyancy force of underground water, thus will be with the capsule formula anti-corrosive apparatus sinking of shoe to predetermined depth.
Embodiment recited above is described the preferred embodiment for the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (14)
1. be with the capsule formula anti-corrosive apparatus of shoe, it is characterized in that: the coating utricule (1) that comprises the tubular that anticorrosive is made, in the coating utricule (1), external surface is respectively rough surface, the bottom that coats in the utricule (1) is provided with backing (2), the periphery of backing (2) links to each other with the sidewall that coats utricule (1), coat the lower end that is positioned at backing (2) in the utricule (1) and be provided with an anticorrosion shoe of hard (3), near coating utricule (1) outside, be provided with at least one Grouting Pipe (4) along the axis direction that coats utricule (1), the bottom of every Grouting Pipe (4) extends to the bottom end vicinity that coats utricule (1), locates to be provided with respectively a low-pressure grouting hole (6) and a plurality of high-pressure slip-castings hole (7) in the bottom of every Grouting Pipe (4) near described backing (2).
2. the capsule formula anti-corrosive apparatus of band shoe as claimed in claim 1, it is characterized in that: the inside and outside surface of described coating utricule (1) is respectively the latticed or cellular fin of fish scale shape or corrugated, coat utricule (1) cross section be shaped as circle or regular polygon or " worker " font or " T " font or " recessed " font.
3. the capsule formula anti-corrosive apparatus of band shoe as claimed in claim 2, it is characterized in that: the aperture in described low-pressure grouting hole (6) is 10-50mm, the appearance in low-pressure grouting hole (6) is enclosed with filter screen (8), the aperture in described high-pressure slip-casting hole (7) is 5-36mm, the surface in high-pressure slip-casting hole (7) is by the rubber sleeve hard-pressed bale, described coating utricule (1) and described backing (2) adopt polyethylene (PE) or polyvinyl chloride (PVC) or surface applied to have the geotextiles of corrosion-inhibiting coating or polyester plastic material to make, and coating utricule (1) and backing (2) thickness is 0.5-10mm.
4. the capsule formula anti-corrosive apparatus of band shoe as claimed in claim 3, it is characterized in that: described coating utricule (1) adopts high density polyethylene (HDPE) (HDPE) material to make, described backing (2) comprises the sidewall of tubular, the height of cylindrical sidewall is 50-500mm, adopt stacked overlap joint hot extrusion to be weldingly connected between the sidewall of the cylindrical sidewall of backing (2) and described coating utricule (1), the top of the cylindrical sidewall of backing (2) has the edge of a wing of annular, the upper end on the annular edge of a wing is equipped with steel deck-plate (5), is provided with sealing joint strip or the asbestos cord wire rod or the rubber gasket of water-swellable between the annular edge of a wing of the bottom surface of steel deck-plate (5) and described backing (2).
5. the capsule formula anti-corrosive apparatus of band shoe as claimed in claim 4, it is characterized in that: the thickness of described steel deck-plate (5) is 5-30mm, alkali-excited cement based cementitious material or the geopolymer slurries or the fixed formation of polymer cement mortar of described backing (2) below perfusion fluidised form in described coating utricule (1) is adopted in described anticorrosion shoe (3), backing (2) below is embedded with a plurality of connection rivets (9) in coating utricule (1), and a plurality of connection rivets (9) are used to be connected and fixed described steel deck-plate (5).
6. the capsule formula anti-corrosive apparatus of band shoe as claimed in claim 4, it is characterized in that: the thickness of described steel deck-plate (5) is 5-30mm, described anticorrosion shoe (3) is the identical cylindricality of cross section with described coating utricule (1), the middle part of anticorrosion shoe (3) is provided with cavity (11), the lateral wall of anticorrosion shoe (3) is provided with the dark groove of multiple tracks 10-30mm (12), anticorrosion shoe (3) links to each other with described coating utricule (1) colligation by the multiple tracks clip (10) that is positioned at groove (12) and locates, the middle part of steel deck-plate (5) has through hole, the periphery of steel deck-plate (5) middle part through hole has the sleeve of downward extension, and sleeve stretches into downwards in the described cavity (11).
7. use the anticorrosion stake of the capsule formula anti-corrosive apparatus of any one described band shoe in the claim 1 to 6, it is characterized in that: the capsule formula anti-corrosive apparatus that comprises described band shoe, the top that is positioned at described backing (2) in the described coating utricule (1) of the capsule formula anti-corrosive apparatus of band shoe is filled with expansive concrete (13), in the expansive concrete (13) along coating being axially arranged with at least one and adding rib component (14) of utricule (1), the outside that coats utricule (1) is enclosed with the fixed thin layer of expansive cement mortar (16), at top pouring alkali-excited cement slurries or the polymer cement mortar or the geopolymer slurries of expansive concrete (13), the back of condensing constitutes the anticorrosion pile cover (18) of sealing.
8. anticorrosion stake as claimed in claim 7, it is characterized in that: the end that the fixed thin layer of described expansive cement mortar (16) adopts the anticorrosion slurries (19) that are mixed with the 6%-12% expansion agent to pass through Grouting Pipe (4) injects fixed formation behind the stake hole, and being set with a plurality ofly respectively to medium-height trestle (15) in each described upper, middle and lower portion that adds rib component (14), each adds on the termination, rib component (14) bottom and is respectively installed with an anti-guard housing (17).
9. the job practices of anticorrosion stake as claimed in claim 7 is characterized in that: comprise the steps:
A, in the boring of stake position place injection projected depth;
B, a stake hole is proposed related tool;
C, will insert in the stake hole, and will described anticorrosion shoe (3) be placed to a predetermined position bottom the hole with the capsule formula anti-corrosive apparatus of shoe;
Insert tremie (20) in the coating utricule (1) of the capsule formula anti-corrosive apparatus of D, the band shoe in the stake hole, and by tremie (20) continuous placing expansive concrete (13) in coating utricule (1), expansive concrete (13) is inserted reinforcement member (14) in the expansive concrete (13) in clad type utricule (1) then at once near coating top in the utricule (1) in coating utricule (1);
E, utilize the Grouting Pipe (4) of the capsule formula anti-corrosive apparatus of band shoe, inject the anticorrosion slurries (19) that are mixed with expansion agent with grouting pressure to the periphery of described coating utricule (1) sidewall by low-pressure grouting hole (6) less than 0.5MPa, overflow ground until anticorrosion slurries (19), after leaving standstill a period of time, inject anticorrosion slurries (19) in the space of grouting pressure between described coating utricule (1) lateral wall and stake hole of each high-pressure slip-casting hole (7) by Grouting Pipe (4) again with 1-5MPa, form to coat the fixed thin layer of expansive cement mortar (16) of utricule (1) lateral wall after the slurry consolidation, and final and a hole sidewall soil body adhesive solidification are one;
F, to pile body expansive concrete (13) is fixed reach design strength and require after, with pile crown concrete chisel hair, and in the described coating utricule (1) at pile crown position, build anticorrosive concrete to a little more than stake top design elevation, form anticorrosion pile cover (18) after the sclerosis levelling.
10. anticorrosion pile construction method according to claim 9, it is characterized in that: insert the stake hole if run into the capsule formula anti-corrosive apparatus that exists underground water to hinder the band shoe in the hole among the described step C, after described anticorrosion shoe (3) sinking is in the underground water, utilize drainage pump by the underground water in the extraction stake hole, low-pressure grouting hole (6) of described Grouting Pipe (4) bottom, progressively anticorrosion shoe (3) is inserted into predetermined depth simultaneously;
11. anticorrosion pile construction method according to claim 9, it is characterized in that: insert the stake hole if run into the capsule formula anti-corrosive apparatus that exists underground water to hinder the band shoe in the hole among the described step C, tremie (20) is inserted in the described coating utricule (1) in advance, and will coat utricule (1) and conduit (20) colligation and fix, utilize the deadweight of tremie (20) to offset buoyancy force of underground water, thus will be with the capsule formula anti-corrosive apparatus sinking of shoe to predetermined depth.
12. the job practices of anticorrosion stake according to claim 9 is characterized in that: comprise also in the described steps A and utilize all casing drill that by the drill bit casting drilling and forming hole in steel sleeve (21) and the steel sleeve (21), bore diameter is 600～1500mm; Utilizing the flow of tremie (20) perfusion expansive concrete among the described step D is 0.05～1.0m
3/ min, described rib component (14) the employing slotting reinforcing cage technology in vibration back in pile body expansive concrete (9) that adds is inserted; In the described step e, also be included in before coating utricule (1) sidewall slip casting, utilize all casing drill to pursue joint and extract steel sleeve (21), meanwhile or afterwards implement stake side grouting with plunger.
13. the job practices of anticorrosion stake according to claim 10, it is characterized in that: also comprise jumping chisel frame high pressure jet grouting rig (22) in placely in the described steps A, employing low-pressure fuel injection slurry coat method or cement paste (24) or clear water (25) drilling and forming hole are to projected depth in the face of land casing (23) at stake position place; Also be included among the described step B carry brill before, start high-pressure hydraulic pump, pump pressure 20～40MPa and low-pressure grouting pump, pump pressure 2～8MPa, simultaneously the speed with rotating speed: 8～25r/min, speed-raising: 8～25cm/min promotes drilling rod gradually to the face of land; Also comprising among the described step C will the band capsule formula anti-corrosive apparatus of shoe and vibratory impulse hammer (26) installation in position, and under the jerk effect of vibratory impulse hammer (26), will shake with the capsule formula anti-corrosive apparatus of shoe gradually to charge and attack into to desired depth in the slurries of stake hole; Be 0.05～1.0m at the flow of in the coating utricule (1) of capsule formula anti-corrosive apparatus of band shoe, building expansive concrete (13) among the described step D
3/ min, the described rib component (14) that adds adopts the slotting reinforcing cage technology in vibration back to insert.
14. the job practices of anticorrosion stake according to claim 10, it is characterized in that: also comprise the preparation crane in the described steps A, more piece steel sleeve (21) and grab bucket (27), utilize grab bucket (27) in head saves steel sleeve (21), to dig out the soil body at place, stake position, discharge gradually along with the soil body in the steel sleeve, steel pipe slip casting sinks down into a little more than the face of land and locates, hang the second joint steel sleeve (21) then, the bottom of the second joint steel pipe is connected with first segment steel pipe top, finishing the connection back continues to utilize grab bucket (27) will discharge a stake hole than the corrosivity soil body in the second joint steel pipe of depths towards the mode of grabbing, so circulation is sunk to the designing pile length degree of depth until steel sleeve (21); Also comprise among the described step B grab bucket (27) is proposed the stake hole; Utilize in the described step e band shoe capsule formula anti-corrosive apparatus Grouting Pipe (4) by low-pressure grouting hole (6) with less than the grouting pressure of 0.5MPa when the peripheral sidewall injection of described coating utricule (1) is mixed with the anticorrosion slurries (19) of expansion agent, utilizing high-frequency electric machines (29) to drive the heavy pipe extractor (28) of vibration extracts steel sleeve (21) by joint, after utilizing the heavy pipe extractor (28) of vibration that whole penstock vibrations are promoted out a hole, continue slip casting and overflow a hole until anticorrosion slurries (19); In the described step F, add rib component (14) lay put in place after, after treating pile body expansive concrete (13) initial set, with pile crown concrete chisel hair, and in the described utricule (1) at pile crown position the colligation distributing bar, build anticorrosive concrete to a little more than stake top design elevation, form anticorrosion pile cover (18) after the sclerosis levelling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010133593 CN102002945B (en) | 2010-03-25 | 2010-03-25 | Capsule type anti-corrosion device with pile shoe and anti-corrosion pile using same and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010133593 CN102002945B (en) | 2010-03-25 | 2010-03-25 | Capsule type anti-corrosion device with pile shoe and anti-corrosion pile using same and construction method |
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| CN102002945A true CN102002945A (en) | 2011-04-06 |
| CN102002945B CN102002945B (en) | 2013-12-25 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828509A (en) * | 2012-09-26 | 2012-12-19 | 长沙学院 | Joint grouting method from bottom and side of prestressed pipe pile |
| CN104480933A (en) * | 2014-11-14 | 2015-04-01 | 福建建华管桩有限公司 | Manufacturing method of pencil type pipe pile |
| CN104685126A (en) * | 2013-09-26 | 2015-06-03 | 格里弋里·瓦格纳 | Pile casing |
| CN107975041A (en) * | 2017-12-01 | 2018-05-01 | 华侨大学 | One kind is used for anchor pole corrosion-resistant casing bit and anchor pole anticorrosion construction method |
| CN109083148A (en) * | 2018-08-24 | 2018-12-25 | 中铁十四局集团第三工程有限公司 | A kind of drilling pile pile crown constructing device and its construction method |
| WO2020062940A1 (en) * | 2018-09-25 | 2020-04-02 | 高永光 | Grouting consolidation method for full casing borehole guide prefabricated pile and prefabricated pile therefor |
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| CN112127345B (en) * | 2020-09-21 | 2022-04-05 | 中建八局第一建设有限公司 | Soft soil foundation treatment device and foundation treatment construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2290634Y (en) * | 1997-05-30 | 1998-09-09 | 刘兴辰 | Anti-corrosion treating appts. for on-the-spot pouring pile |
| WO2008044434A1 (en) * | 2006-10-13 | 2008-04-17 | Nakabohtec Corrosion Protecting Co., Ltd. | Coating anticorrosive structure for steel structure |
| CN101614020A (en) * | 2009-07-16 | 2009-12-30 | 中国京冶工程技术有限公司 | Flexible bladder type anti-corrosive apparatus and use the anticorrosion stake and the job practices of this device |
| CN201826306U (en) * | 2010-03-25 | 2011-05-11 | 中国京冶工程技术有限公司 | Bladder-type anticorrosive device with pile shoe and anticorrosive pile using same |
-
2010
- 2010-03-25 CN CN 201010133593 patent/CN102002945B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2290634Y (en) * | 1997-05-30 | 1998-09-09 | 刘兴辰 | Anti-corrosion treating appts. for on-the-spot pouring pile |
| WO2008044434A1 (en) * | 2006-10-13 | 2008-04-17 | Nakabohtec Corrosion Protecting Co., Ltd. | Coating anticorrosive structure for steel structure |
| CN101614020A (en) * | 2009-07-16 | 2009-12-30 | 中国京冶工程技术有限公司 | Flexible bladder type anti-corrosive apparatus and use the anticorrosion stake and the job practices of this device |
| CN201826306U (en) * | 2010-03-25 | 2011-05-11 | 中国京冶工程技术有限公司 | Bladder-type anticorrosive device with pile shoe and anticorrosive pile using same |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828509A (en) * | 2012-09-26 | 2012-12-19 | 长沙学院 | Joint grouting method from bottom and side of prestressed pipe pile |
| CN102828509B (en) * | 2012-09-26 | 2014-11-05 | 长沙学院 | Joint grouting method from bottom and side of prestressed pipe pile |
| CN104685126A (en) * | 2013-09-26 | 2015-06-03 | 格里弋里·瓦格纳 | Pile casing |
| CN104685126B (en) * | 2013-09-26 | 2016-10-19 | 格里弋里·瓦格纳 | Stake casing |
| CN104480933A (en) * | 2014-11-14 | 2015-04-01 | 福建建华管桩有限公司 | Manufacturing method of pencil type pipe pile |
| CN107975041A (en) * | 2017-12-01 | 2018-05-01 | 华侨大学 | One kind is used for anchor pole corrosion-resistant casing bit and anchor pole anticorrosion construction method |
| CN107975041B (en) * | 2017-12-01 | 2023-05-26 | 华侨大学 | Sleeve device for anchor rod corrosion prevention and anchor rod corrosion prevention construction method |
| CN109083148A (en) * | 2018-08-24 | 2018-12-25 | 中铁十四局集团第三工程有限公司 | A kind of drilling pile pile crown constructing device and its construction method |
| CN109083148B (en) * | 2018-08-24 | 2021-06-22 | 中铁十四局集团第三工程有限公司 | Pile head construction device for drilling and filling pile and construction method thereof |
| WO2020062940A1 (en) * | 2018-09-25 | 2020-04-02 | 高永光 | Grouting consolidation method for full casing borehole guide prefabricated pile and prefabricated pile therefor |
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| CN102002945B (en) | 2013-12-25 |
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