CN201520987U - Flexible bag-type corrosion prevention device and anti-corrosion pile using same - Google Patents
Flexible bag-type corrosion prevention device and anti-corrosion pile using same Download PDFInfo
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- CN201520987U CN201520987U CN2009201098533U CN200920109853U CN201520987U CN 201520987 U CN201520987 U CN 201520987U CN 2009201098533 U CN2009201098533 U CN 2009201098533U CN 200920109853 U CN200920109853 U CN 200920109853U CN 201520987 U CN201520987 U CN 201520987U
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Abstract
The utility model relates to a flexible bag-type corrosion prevention device and an anti-corrosion pile using same. The flexible bag-type corrosion prevention device comprises a cylindrical wrap-around bag body made of a flexible anti-corrosion materials, and a sealed bottom bracket arranged at the lower part of the wrap-around bag body, and a grouting pipe arranged in the wrap-around bag body in the axial direction, wherein the wrap-around bag body has an uneven inner rough surface and an uneven outer rough surface; the periphery of the sealed bottom bracket is connected with the surface of the lower part in the wrap-around bag body; a low-pressure grouting hole and a high-pressure grouting hole are formed on the grouting pipe below the sealing bottom bracket; the high-pressure grouting hole is located above the low-pressure grouting hole; and one or more high-pressure mortar through holes are formed at the upper middle part of the side wall of the wrap-around bag body below the sealed bottom bracket. The anti-corrosion pile includes the flexible bag-type corrosion prevention device. The anti-corrosion pile has the advantages of durable and reliable anticorrosion performance, high bearing capacity, high corrosion resistance, high durability and low cost, and suits pile foundation or composite foundation in the strata with high corrosivity.
Description
Technical field
The utility model relates to a kind of anticorrosion stake that is applied to anticorrosive, the erosion-resistant flexible bladder type anti-corrosive apparatus in all kinds of traffic engineering, Industrial and Civil Engineering pile foundation and the composite foundation and uses this device in geotechnical engineering field.
Background technology
At present, the endurance issues of construction of structures is more and more paid attention to by owner and engineering construction person in the highly corrosive stratum, the actual useful year of many traffic, electric power and industrial infrastructure project is all far below the design service life, and corrosivity stratum and underground water have caused the object of construction production later maintenance costly to the burn into corrosion function of constructional materials.In a large number investigation and the correlation test at building in the bittern stratum, structure shows: the bittern stratum that chloride content is high has serious long-term corrosion and corrosion function to the steel in the common buildings basis, concrete and loam brick; for example under the salinized soil condition; ordinary concrete just begins efflorescence about 3 years; even after adopting safeguard measures such as epoxy coating or expoxy glass steel bushing; because the aging action of organic protection layer, serious corrosion also can take place in inner concrete.Passive protection is carried out in measures such as the malthoid that adopts in some electric power of saline soil area and construction of tunnel project is isolated, glass fiber reinforced plastic protection and granite basis, and not only cost is high, and corrosion protection result is also undesirable, design service life less than 20 years.Therefore, the anticorrosion of saline soil area pile foundation engineering and durability are the great difficult problems that the civil engineer must solve.
For the pile foundation in the highly corrosive bittern stratum, some traditional treatment method and existing improved aseptic technic measure in the composite foundation engineering, mainly there is following problem:
1. common steel bar concrete pile is subjected to the chemical attack on bittern stratum and physical erosion serious, though bearing capacity is higher relatively, normal application life is very short, just need underpin overhaul once in general about 10 years, and maintenance cost is high.
2. the vertical enhancing body of treatment process of composite foundation employing all is a broken stone pile generally, but undesirable to the compacted effect of saturated salt marsh soil layer in its work progress, and the pore water in the salinized soil is discharged difficulty; And because the salinized soil replacement stone pile composite foundation is subjected to the restriction of bulk strength, loading groundwork long-term settlement is big, and pile body is easy to generate bulging and destroys, and bearing capacity is difficult to meet design requirement.
3. the fiber-reinforced composite clad aseptic technic of using in Oversea bridge engineering or port works has the good engineering durability, but it mainly is applicable to the preformed pile type, and cost is higher, range of application is restricted, for the stratum, place has corrosive general industry and civilian construction grout pile basis, and inapplicable.
4. utilize anticorrosive concrete and FRP class principal rod material to constitute the mode of pile body fully, though can satisfy the requirement of pile foundation corrosion-resistant, but the fabrication and installation complex process of pile body, corresponding Foundation Design cost is much higher than the cost of ordinary reinforced concrete structure, so this method can't be complementary with existing pile foundation construction ability and estimated cost, its corresponding worker's method also remains further to be developed.
5. the existing preservative treatment technology measure of adopting anti-corrosion material that pile body is wrapped up, sprays all can only accomplish preformed pile protection or local protection, and working procedure is loaded down with trivial details, and bearing capacity and durability effect are unsatisfactory.
Above under such as highly corrosive site conditions such as bittern stratum in order to solve, the existing technical barrier of ground and pile foundation engineering field is badly in need of research and development and is had the comparatively pile foundation guard technology of general applicability.
The utility model content
The purpose of this utility model is to provide a kind of antiseptic property that has reliably and with long-term for the pile foundation in the highly corrosive stratum and composite foundation engineering, the bearing capacity height, corrosion resistance is good, durability height, the flexible bladder type anti-corrosive apparatus that cost is low and use the anticorrosion stake of this device.
Flexible bladder type anti-corrosive apparatus of the present utility model, comprise the clad type utricule that the flexible corrosion protection material of tubular is made, in the clad type utricule, external surface is respectively rough matsurface, bottom in the clad type utricule is provided with the sealing collet, the periphery of sealing collet links to each other with the surface of bottom in the clad type utricule, be provided with grouting pipeline in the clad type utricule vertically, described sealing collet is passed in the bottom of grouting pipeline, the black box sealing is adopted in gap between the lateral wall of grouting pipeline and the sealing collet, the below that is positioned at the sealing collet on the grouting pipeline is provided with low-pressure grouting hole and high-pressure slip-casting hole, the high-pressure slip-casting hole is positioned at the top in low-pressure grouting hole, and the middle and upper part of sidewall that is positioned at the described clad type utricule of described sealing collet below is provided with more than one high pressure slurries via hole.
Flexible bladder type anti-corrosive apparatus of the present utility model, the inside and outside surface of wherein said clad type utricule are respectively equipped with fin or the cellular shrinkage pool or the cataphracted projection of latticed fin or latticed groove or ring-type.
Flexible bladder type anti-corrosive apparatus of the present utility model, the bottom of wherein said grouting pipeline has perpendicular type or annular or U type pipeline section, the aperture in described low-pressure grouting hole is 5mm-50mm, the appearance in low-pressure grouting hole is enclosed with filter screen, the aperture in described high-pressure slip-casting hole is 5mm-36mm, described clad type utricule and described sealing collet 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 the thickness of described clad type utricule is 0.5-10mm.
Flexible bladder type anti-corrosive apparatus of the present utility model, wherein said clad type utricule adopts high density polyethylene (HDPE) (HDPE) material to make, the cross section of clad type utricule is circle or ellipse or rectangle or cross section trapezoidal or regular hexagon or octagon, described black box is sealing joint strip or the asbestos cord wire rod or the rubber seal of water-swellable, described sealing collet comprises the sidewall of tubular, the top of cylindrical sidewall has top cover, adopt stacked overlap joint hot extrusion to be weldingly connected between the cylindrical sidewall of the bottom of described clad type utricule and sealing collet, the height of the cylindrical sidewall of sealing collet is 50-500mm, and cylindrical sidewall and each corresponding position of described high pressure slurries via hole of sealing collet are respectively equipped with through hole.
Flexible bladder type anti-corrosive apparatus of the present utility model, be fitted with the prefabricated pier nose that anti-corrosion material is made in the wherein said sealing collet, paste mutually with the top in the sealing collet at the top of prefabricated pier nose, has pastry chamber between the inside wall of the top of prefabricated pier nose and sealing collet, be provided with branch's pipeline section of described grouting pipeline in the pastry chamber, be evenly equipped with a plurality of described high-pressure slip-castings hole on branch's pipeline section of grouting pipeline.
Flexible bladder type anti-corrosive apparatus of the present utility model, middle part in the wherein said sealing collet is provided with barrier film, the periphery of barrier film links to each other with the inwall of sealing collet, has slurry collecting cavity between the inside wall of the top of barrier film and sealing collet, described high-pressure slip-casting hole on the described grouting pipeline is positioned at slurry collecting cavity, and the described low-pressure grouting hole on the grouting pipeline is positioned at the below of described barrier film.
Use the anticorrosion stake of flexible bladder type anti-corrosive apparatus of the present utility model, comprise described flexible bladder type anti-corrosive apparatus, the below that is positioned at described sealing collet in the described clad type utricule of flexible bladder type anti-corrosive apparatus is provided with anticorrosion pile pier, the top of anticorrosion pile pier is pasted with the lower surface of sealing collet and is linked to each other, the top that is positioned at the sealing collet in the clad type utricule is filled with expansive concrete, and the lateral wall of clad type utricule partly or entirely is coated with swelling water mud bonding course.
Anticorrosion stake of the present utility model, wherein said anticorrosion pile pier adopts alkali-excited cement slurries or polymer cement mortar or the geopolymer slurries formation of condensing, in the described expansive concrete along at least one Force transmission parts that is axially arranged with of clad type utricule, at the cast of expansive concrete top or filling alkali-excited cement slurries or polymer cement mortar or the geopolymer slurries sealing corrosion pile cover that the back constitutes that condenses.
Anticorrosion stake of the present utility model, wherein the middle part of each described Force transmission parts is respectively installed with a plurality of isolation mounts, is respectively installed with an anti-guard housing on the steel bar end of each Force transmission parts bottom.
Compared with prior art, flexible bladder type anti-corrosive apparatus of the present utility model and use the anticorrosion stake of this device has the following advantage:
1, flexible bladder type anti-corrosive apparatus of the present utility model and use the anticorrosion stake of this device, can be in the flexible bladder type anti-corrosive apparatus 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 utility model adopts and has improved material and aseptic technic ripe in existing building material and the petrochemical industry, has reduced pouring material consumption and engineering time, also can reduce common buildings basis corrosion-resistant construction cost in the corrosivity stratum simultaneously.
3, the utility model is based on use the most general and ripe deposited reinforced concrete pile construction technology at present in engineering construction, design a kind of clad type utricule device that utilizes the sealing coating technology castinplace pile pile body to be carried out hermetically sealed parcel, thereby corrosive substance in pile shaft material and the stratum, place is isolated fully, reach the purpose that prolongs pile body core bearing structure durability, construction technology is easy to utilize.
4, because tight anti-corrosion measure has been adopted in anticorrosion stake, so anticorrosion stake of the present utility model has stable long-term antiseptic property, can be applied in offshore banks stratum, salinized soil zone, the contour corrosive environment of garbage sanitary filling field, and keep reliable effect.
5, adopt flexible bladder type anti-corrosive apparatus of the present utility model and use the anticorrosion stake of this device, can effectively improve anticorrosion pile capacity with lower cost, reduce anticorrosion stake total quantity, reduce construction costs, accelerate speed of application, thereby improved the long-term safety reliability of engineering.
Below in conjunction with drawings and Examples in detail the utility model is described in detail.
Description of drawings
Fig. 1 is the main pseudosection of structural representation of a kind of embodiment of flexible bladder type anti-corrosive apparatus of the present utility model;
Fig. 2 is the top plan view in the A-A cross section of Fig. 1;
Fig. 3 is the partial enlarged drawing at the sealing collet position of Fig. 1;
Fig. 4 is the main pseudosection of structural representation of the another kind of embodiment of flexible bladder type anti-corrosive apparatus of the present utility model;
Fig. 5 is the top plan view in the B-B cross section of Fig. 4;
Fig. 6 is the main pseudosection of the structural representation of the anticorrosion stake of use a kind of flexible bladder type anti-corrosive apparatus of the present utility model;
Fig. 7 is the main pseudosection of the structural representation of the anticorrosion stake of use another kind of flexible bladder type anti-corrosive apparatus of the present utility model;
Fig. 8 is the front view to the structural representation of medium-height trestle;
Fig. 9 is the front view of the structural representation of anti-guard housing.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, flexible bladder type anti-corrosive apparatus of the present utility model, comprise the clad type utricule 1 that the flexible corrosion protection material of tubular is made, the cross section of clad type utricule 1 is circle or ellipse or rectangle or cross section trapezoidal or regular hexagon or octagon, in the clad type utricule 1, external surface is respectively rough matsurface, bottom in the clad type utricule 1 is provided with sealing collet 2, the periphery of sealing collet 2 links to each other with the surface of bottom in the clad type utricule 1, be provided with grouting pipeline 4 in the clad type utricule 1 vertically, sealing collet 2 is passed in the bottom of grouting pipeline 4, the bottom of grouting pipeline 4 has perpendicular type or annular or U type pipeline section, black box 5 sealings are adopted in gap between the lateral wall of grouting pipeline 4 and the sealing collet 2, black box 5 is sealing joint strip or the asbestos cord wire rod or the rubber seal of water-swellable, the below that is positioned at sealing collet 2 on the grouting pipeline 4 is provided with low-pressure grouting hole 6 and high-pressure slip-casting hole 7, the aperture in low-pressure grouting hole 6 is 5-50mm, the appearance in low-pressure grouting hole 6 is enclosed with filter screen 16, the aperture in high-pressure slip-casting hole 7 is 5-36mm, high-pressure slip-casting hole 7 is positioned at the top in low-pressure grouting hole 6, and the middle and upper part that is positioned at the sidewall of the clad type utricule 1 that seals collet 2 belows is provided with 5 high pressure slurries via holes 3.
The inside and outside surface of above-mentioned clad type utricule 1 is respectively equipped with fin or the cellular shrinkage pool or the cataphracted projection of latticed fin or latticed groove or ring-type.
Above-mentioned clad type utricule 1 and sealing collet 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 the thickness of clad type utricule 1 is 0.5-10mm.
Fig. 4 and flexible bladder type anti-corrosive apparatus of the present utility model shown in Figure 5, comprise the clad type utricule 1a that the flexible corrosion protection material of tubular is made, the cross section of clad type utricule 1a is circle or ellipse or rectangle or cross section trapezoidal or regular hexagon or octagon, in the clad type utricule 1a, external surface is respectively rough matsurface, bottom in the clad type utricule 1a is provided with sealing collet 2a, the periphery of sealing collet 2a links to each other with the surface of bottom in the clad type utricule 1a, be provided with grouting pipeline 4a vertically in the clad type utricule 1a, sealing collet 2a is passed in the bottom of grouting pipeline 4a, the bottom of grouting pipeline 4a has branch's pipeline section, the black box sealing is adopted in gap between the lateral wall of grouting pipeline 4a and the sealing collet 2a, the below that is positioned at sealing collet 2a on the grouting pipeline 4a is provided with low-pressure grouting hole 6a and high-pressure slip-casting hole 7a, the aperture of low-pressure grouting hole 6a is 5-50mm, the aperture of high-pressure slip-casting hole 7a is 5-36mm, high-pressure slip-casting hole 7a is positioned at the top of low-pressure grouting hole 6a, and the middle and upper part that is positioned at the sidewall of the clad type utricule 1a that seals collet 2a below is provided with 5 high pressure slurries via hole 3a.The difference of itself and Fig. 1, Fig. 2 and flexible bladder type anti-corrosive apparatus shown in Figure 3 is: be fitted with the prefabricated pier nose 14a that anti-corrosion material is made in sealing collet 2a, but there is not barrier film in the sealing collet 2, paste mutually with the top in the sealing collet 2a at the top of prefabricated pier nose 14a, has pastry chamber 13a between the inside wall of the top of prefabricated pier nose 14a and sealing collet 2a, be provided with branch's pipeline section of grouting pipeline 4a in the pastry chamber 13a, be evenly equipped with a plurality of described high-pressure slip-casting hole 7a on branch's pipeline section of grouting pipeline 4a.Except above-mentioned difference, further feature and Fig. 1, Fig. 2 and shown in Figure 3, flexible bladder type anti-corrosive apparatus of the present utility model is identical.
As shown in Figure 6, use the anticorrosion stake of flexible bladder type anti-corrosive apparatus, comprise Fig. 1, Fig. 2 and flexible bladder type anti-corrosive apparatus shown in Figure 3, the below that is positioned at barrier film 12 in the sealing collet 2 of flexible bladder type anti-corrosive apparatus is provided with anticorrosion pile pier 8, the top of anticorrosion pile pier 8 is pasted with the lower surface of sealing collet 2 and is linked to each other, the peripheral side wall of anticorrosion pile pier 8 is pasted with the inside wall of the clad type utricule 1 that is positioned at sealing collet 2 belows and is linked to each other, the top and the slurry collecting cavity 11 that are positioned at sealing collet 2 in the clad type utricule 1 are filled with expansive concrete 9, in the expansive concrete 9 along a plurality of Force transmission partses 18 of being axially arranged with of clad type utricule 1, the middle part of each Force transmission parts 18 is respectively installed with a plurality of isolation mounts 15, the structure of isolation mount 15 as shown in Figure 8, be respectively installed with an anti-guard housing 17 on the steel bar end of each Force transmission parts 18 bottom, the structure of anti-guard housing 17 as shown in Figure 9.Lateral wall at clad type utricule 1 partly or entirely is coated with swelling water mud bonding course 10.
As shown in Figure 7, use the anticorrosion stake of flexible bladder type anti-corrosive apparatus, comprise Fig. 4 and flexible bladder type anti-corrosive apparatus shown in Figure 5, the below that is positioned at sealing collet 2a in the clad type utricule 1a of flexible bladder type anti-corrosive apparatus is provided with anticorrosion pile pier 8a, the top of anticorrosion pile pier 8a is pasted with the lower surface of sealing collet 2 and is linked to each other, the top and the pastry chamber 13a that are positioned at sealing collet 2a in the clad type utricule 1a are filled with expansive concrete 9a, among the expansive concrete 9a along a plurality of Force transmission parts 18a of being axially arranged with of clad type utricule 1, the middle part of each Force transmission parts 18a is respectively installed with a plurality of isolation mount 15a, is respectively installed with an anti-guard housing 17a on the steel bar end of each Force transmission parts 18a bottom.Lateral wall at clad type utricule 1a partly or entirely is coated with swelling water mud bonding course 10a.
Embodiment recited above is described the utility model preferred implementation; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (9)
1. flexible bladder type anti-corrosive apparatus, it is characterized in that: comprise the clad type utricule that the flexible corrosion protection material of tubular is made, in the clad type utricule, external surface is respectively rough matsurface, bottom in the clad type utricule is provided with the sealing collet, the periphery of sealing collet links to each other with the surface of bottom in the clad type utricule, be provided with grouting pipeline in the clad type utricule vertically, described sealing collet is passed in the bottom of grouting pipeline, the black box sealing is adopted in gap between the lateral wall of grouting pipeline and the sealing collet, the below that is positioned at the sealing collet on the grouting pipeline is provided with low-pressure grouting hole and high-pressure slip-casting hole, the high-pressure slip-casting hole is positioned at the top in low-pressure grouting hole, and the middle and upper part of sidewall that is positioned at the described clad type utricule of described sealing collet below is provided with more than one high pressure slurries via hole.
2. flexible bladder type anti-corrosive apparatus as claimed in claim 1 is characterized in that: the inside and outside surface of described clad type utricule is respectively equipped with fin or the cellular shrinkage pool or the cataphracted projection of latticed fin or latticed groove or ring-type.
3. flexible bladder type anti-corrosive apparatus as claimed in claim 2, it is characterized in that: the bottom of described grouting pipeline has perpendicular type or annular or U type pipeline section, the aperture in described low-pressure grouting hole is 5-50mm, the appearance in low-pressure grouting hole is enclosed with filter screen, the aperture in described high-pressure slip-casting hole is 5-36mm, described clad type utricule and described sealing collet adopt polyethylene or polyvinyl chloride or surface applied to have the geotextiles of corrosion-inhibiting coating or polyester plastic material to make, and the thickness of described clad type utricule is 0.5-10mm.
4. flexible bladder type anti-corrosive apparatus as claimed in claim 3, it is characterized in that: described clad type utricule adopts high-density polyethylene material to make, the cross section of clad type utricule is circle or ellipse or rectangle or cross section trapezoidal or regular hexagon or octagon, described black box is sealing joint strip or the asbestos cord wire rod or the rubber seal of water-swellable, described sealing collet comprises the sidewall of tubular, the top of cylindrical sidewall has top cover, adopt stacked overlap joint hot extrusion to be weldingly connected between the cylindrical sidewall of the bottom of described clad type utricule and sealing collet, the height of the cylindrical sidewall of sealing collet is 50-500mm, and cylindrical sidewall and each corresponding position of described high pressure slurries via hole of sealing collet are respectively equipped with through hole.
5. flexible bladder type anti-corrosive apparatus as claimed in claim 4, it is characterized in that: be fitted with the prefabricated pier nose that anti-corrosion material is made in the described sealing collet, paste mutually with the top in the sealing collet at the top of prefabricated pier nose, has pastry chamber between the inside wall of the top of prefabricated pier nose and sealing collet, be provided with branch's pipeline section of described grouting pipeline in the pastry chamber, be evenly equipped with a plurality of described high-pressure slip-castings hole on branch's pipeline section of grouting pipeline.
6. flexible bladder type anti-corrosive apparatus as claimed in claim 4, it is characterized in that: the middle part in the described sealing collet is provided with barrier film, the periphery of barrier film links to each other with the inwall of sealing collet, has slurry collecting cavity between the inside wall of the top of barrier film and sealing collet, described high-pressure slip-casting hole on the described grouting pipeline is positioned at slurry collecting cavity, and the described low-pressure grouting hole on the grouting pipeline is positioned at the below of described barrier film.
7. use the anticorrosion stake of any one described flexible bladder type anti-corrosive apparatus in the claim 1 to 6, it is characterized in that: comprise described flexible bladder type anti-corrosive apparatus, the below that is positioned at described sealing collet in the described clad type utricule of flexible bladder type anti-corrosive apparatus is provided with anticorrosion pile pier, the top of anticorrosion pile pier is pasted with the lower surface of sealing collet and is linked to each other, the top that is positioned at the sealing collet in the clad type utricule is filled with expansive concrete, and the lateral wall of clad type utricule partly or entirely is coated with swelling water mud bonding course.
8. the anticorrosion stake of flexible bladder type anti-corrosive apparatus as claimed in claim 7, it is characterized in that: described anticorrosion pile pier adopts alkali-excited cement slurries or polymer cement mortar or the geopolymer slurries formation of condensing, in the described expansive concrete along at least one Force transmission parts that is axially arranged with of clad type utricule, at the cast of expansive concrete top or filling alkali-excited cement slurries or polymer cement mortar or the geopolymer slurries sealing corrosion pile cover that the back constitutes that condenses.
9. the anticorrosion stake of flexible bladder type anti-corrosive apparatus as claimed in claim 8, it is characterized in that: the middle part of each described Force transmission parts is respectively installed with a plurality of isolation mounts, is respectively installed with an anti-guard housing on the steel bar end of each Force transmission parts bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201098533U CN201520987U (en) | 2009-07-16 | 2009-07-16 | Flexible bag-type corrosion prevention device and anti-corrosion pile using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201098533U CN201520987U (en) | 2009-07-16 | 2009-07-16 | Flexible bag-type corrosion prevention device and anti-corrosion pile using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201520987U true CN201520987U (en) | 2010-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201098533U Expired - Lifetime CN201520987U (en) | 2009-07-16 | 2009-07-16 | Flexible bag-type corrosion prevention device and anti-corrosion pile using same |
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| CN (1) | CN201520987U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306279A (en) * | 2013-06-24 | 2013-09-18 | 中国京冶工程技术有限公司 | Energy anti-floating pile provided with airbag heat exchanger and construction method |
| CN103510548A (en) * | 2012-06-22 | 2014-01-15 | 王化平 | Fortifying method of high-medium-intensity anticorrosion rubber in well pile earthquake |
| CN104895086A (en) * | 2015-05-04 | 2015-09-09 | 北京市勘察设计研究院有限公司 | Manual grouting layer method pile toe three-dimensional post-pressure grouting structure and pouring method |
| CN107675707A (en) * | 2017-09-14 | 2018-02-09 | 中交二航局第三工程有限公司 | Inclined rock base steel pile casting is fixed and bottom blocking method |
| CN110761833A (en) * | 2019-10-28 | 2020-02-07 | 福建永强岩土股份有限公司 | Large and small pipe partial pressure type cavity grouting construction method |
| RU204490U1 (en) * | 2020-11-25 | 2021-05-27 | Федеральное государственное автономное образовательное учреждение высшего образования "Сибирский федеральный университет" | DRILLING PIL |
-
2009
- 2009-07-16 CN CN2009201098533U patent/CN201520987U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510548A (en) * | 2012-06-22 | 2014-01-15 | 王化平 | Fortifying method of high-medium-intensity anticorrosion rubber in well pile earthquake |
| CN103306279A (en) * | 2013-06-24 | 2013-09-18 | 中国京冶工程技术有限公司 | Energy anti-floating pile provided with airbag heat exchanger and construction method |
| CN104895086A (en) * | 2015-05-04 | 2015-09-09 | 北京市勘察设计研究院有限公司 | Manual grouting layer method pile toe three-dimensional post-pressure grouting structure and pouring method |
| CN107675707A (en) * | 2017-09-14 | 2018-02-09 | 中交二航局第三工程有限公司 | Inclined rock base steel pile casting is fixed and bottom blocking method |
| CN110761833A (en) * | 2019-10-28 | 2020-02-07 | 福建永强岩土股份有限公司 | Large and small pipe partial pressure type cavity grouting construction method |
| RU204490U1 (en) * | 2020-11-25 | 2021-05-27 | Федеральное государственное автономное образовательное учреждение высшего образования "Сибирский федеральный университет" | DRILLING PIL |
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