CN101324064B - Controllable expansion extrusion soil body apparatus for geotechnical engineering and use thereof - Google Patents
Controllable expansion extrusion soil body apparatus for geotechnical engineering and use thereof Download PDFInfo
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- CN101324064B CN101324064B CN 200810117836 CN200810117836A CN101324064B CN 101324064 B CN101324064 B CN 101324064B CN 200810117836 CN200810117836 CN 200810117836 CN 200810117836 A CN200810117836 A CN 200810117836A CN 101324064 B CN101324064 B CN 101324064B
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- expansion
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- 239000002689 soil Substances 0.000 title claims abstract description 80
- 238000001125 extrusion Methods 0.000 title claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 73
- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000002002 slurry Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 21
- 238000010276 construction Methods 0.000 claims description 18
- 239000004746 geotextile Substances 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- -1 tin iron Chemical compound 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound 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[Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 6
- 229910052718 tin Inorganic materials 0.000 claims 3
- 230000003014 reinforcing Effects 0.000 abstract description 13
- 238000002347 injection Methods 0.000 abstract description 12
- 239000007924 injection Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 239000011148 porous material Substances 0.000 abstract 2
- 238000007569 slipcasting Methods 0.000 description 11
- 238000009424 underpinning Methods 0.000 description 11
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Abstract
The invention provides a controllable expansion extrusion earth device used for geotechnical engineering, comprising an upper sleeve component (1); the top end of the upper sleeve component (1) is fixed with an upper cover plate (2); the upper internal part of the upper sleeve component (1) is provided with an upper elastic sealing part (3); the lower part of the upper sleeve component (1) is connected with the upper opening of the top end of an expansion extrusion cylinder (5); the expansion extrusion cylinder (5) is made of the material which is externally expanded, unfolded and folded when fluid with the pressure less than 8MPa is injected into the expansion extrusion cylinder (5); the upper sleeve component (1), the upper cover plate (2) and the upper elastic sealing part (3) are provided with a pulp injection pipe upper pore (6) and at least a transmission component upper pore (7) which are communicated with the upper opening of the expansion extrusion cylinder (5). The invention aims at providing the controllable expansion extrusion earth device and the applications which are used for the geotechnical engineering and can carry out the reinforcing by injecting pulp, replacing and correcting operation for the foundation in complex stratum, improve the effect, increase the bearing capability of single pile and single anchor and improve the bearing capability of the component in the reinforced body or the soil.
Description
Technical field
The present invention relates to a kind ofly be applied to field of civil engineering, can be applied to the controllable type expansion gear of predeterminable expansion geometric shape and size to building slip casting correction, foundation underpinning, expanded bore pile basis and soil layer enlarging anchor rod etc.
Background technology
In the underpin of field of civil engineering, rectify a deviation, underpin with engineerings such as ground anchorage and pile foundation in, need to use various slurry injection techniques, yet for loose soft stratum with have high water head, a high osmosis groundwater condition, because injecting the cement based slurries on stratum is easy to run off, and the uncontrollability of slurries the evolving path, scope, cannot say for sure to demonstrate,prove the quality and the effect of slip casting.In rectifying of leaned building and strengthening construction, position, form and the size of control grouting reinforcement body are most important, and there is bigger blindness in existing slip casting deviation correcting technology, can influence the effect of whole building reinforcement and rectification.Be arranged at the stake and the anchor pole of weak scall, because of its end resistance and anchor rod anchored section frictional resistance are lower, can cause the bearing capacity of stake or anchor pole on the low side, deflection is bigger.In order to bring into play the advantage of slurry injection technique better, and solve the problem that above-mentioned engineering exists in using, a kind of slip casting key device that can conveniently control injection slurry position, form, size and quality be need seek, positioning and rectifying, reinforcing are used for, expanded bore pile base and enlarging anchor rod.
Summary of the invention
The object of the present invention is to provide a kind of can be in bad ground for the foundation grouting and reinforcing, the raising effect underpins, rectifies a deviation, increase single pile, single anchor bearing capacity, transfer and bring into play the supporting capacity of the soil body self to greatest extent, improve the controllable expansion extrusion soil body apparatus for geotechnical engineering that adds the supporting capacity of member in solid or the soil.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, comprise the upper bush assembly, the top of upper bush assembly is fixed with upper cover plate, top in the upper bush assembly is provided with elastic sealing element, the bottom of upper bush assembly links to each other with the upper shed on expansion recipient top, the expansion recipient adopts the material of outside expansion unfolded state when injecting the following fluid of 8MPa in the expansion recipient to make described upper bush assembly, described upper cover plate and the described elastic sealing element upper edge axis direction of going up are provided with on the Grouting Pipe that communicates with the upper shed of described expansion recipient via hole on the via hole and at least one Force transmission parts.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, wherein said upper bush assembly comprises top cylinder and mounting plate, the bottom of top cylinder is weldingly fixed on the upper surface of mounting plate, described upper cover plate adopt be threaded or welded and installed on the top of top cylinder, the described elastic sealing element of going up is arranged in the top cylinder, described top cylinder is that cross section is circle or ellipse or rectangle or hexagon or octagonal pillar buoy, and the upper shed of described expansion recipient adopts flange to be fixed on the bottom of described mounting plate.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, wherein said upper bush assembly comprises top cylinder, mounting plate and doffing, the bottom of top cylinder is weldingly fixed on the upper surface of mounting plate, the top of described doffing is weldingly fixed on the lower surface of mounting plate, described upper cover plate adopt be threaded or welded and installed on the top of top cylinder, the described elastic sealing element of going up is arranged in the top cylinder, along the circumferential direction be provided with a plurality of antislip cogs of going up on the lateral wall of described doffing side by side, the upper shed of described expansion recipient is sleeved on the lateral wall of doffing, and adopting more than one front band to fix, described top cylinder and doffing are that cross section is circle or ellipse or rectangle or hexagon or octagonal pillar buoy.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, wherein said upper bush assembly comprises top cylinder, mounting plate, doffing and lower sleeve, the bottom of top cylinder is weldingly fixed on the upper surface of mounting plate, the top of described doffing and described lower sleeve is weldingly fixed on the lower surface of mounting plate, doffing is sleeved in the lower sleeve, described upper cover plate adopt be threaded or welded and installed on the top of top cylinder, the described elastic sealing element of going up is arranged in the top cylinder, the upper shed of described expansion recipient is inserted in the annular gap between described lower sleeve and the described doffing, and adopt a plurality of bolt of radially passing lower sleeve and doffing, be perfused with fluid sealant in the annular gap between lower sleeve and the doffing, described top cylinder, lower sleeve and doffing are that cross section is circle or ellipse or rectangle or hexagon or octagonal pillar buoy.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, the cross section of wherein said expansion recipient is circle or ellipse or rectangle or hexagon or octagon, described expansion recipient adopts the material of outside expansion unfolded state when injecting the following slurries of 5MPa in the expansion recipient to make, the axis cross-wise direction of expansion recipient is of a size of and gradually changes, the tensile strength of expansion material that recipient uses is as more than the 8MPa, and the transmission coefficient of expansion material that recipient uses is less than 10
-6Cm/s.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, be provided with bearing plate in the wherein said expansion recipient, bearing plate is provided with the connecting hole of Force transmission parts, the bottom of bearing plate and Force transmission parts adopts screw thread to be fixedly linked, high strength anti-seepage geomembrane that described expansion recipient employing thickness is 0.4～2mm or the compound geotextiles of high strength or high strength gluing nonwoven or stalloy or rolled tin iron are made, the tensile strength of expansion material that recipient uses is as more than the 10MPa, and the transmission coefficient of expansion material that recipient uses is less than 10
-7Cm/s, two ends of the elastic restraint bar of the edge of described mounting plate and 2-8 annular are fixedly linked, each elastic restraint bar pastes around described expansion recipient and with the external surface of expansion recipient downwards respectively mutually, described expansion recipient is folded before use and is wound into the straight cylinder tubular, height after described expansion recipient launches is 0.4～3m, horizontal internal diameter after the expansion is 0.4～1.5m, the expansion recipient is folded before use and is wound into tubular, the described elastic sealing element of going up adopts rubber-like rubber or pitch or polytetrafluoroethylmaterial material to make, and described elastic restraint strip adoption can be used as metal that the construction work section bar uses or geotextile or canvas and makes.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, the bottom of wherein said expansion recipient is provided with under shed, the under shed of expansion recipient links to each other with the top of lower sleeve assembly, be provided with down elastic sealing element in the lower sleeve assembly, following elastic sealing element adopts rubber-like rubber or pitch or polytetrafluoroethylmaterial material to make, the bottom of lower sleeve assembly is fixed with lower cover, described lower cover and described elastic sealing element upper edge axis direction down are provided with via hole under at least one Force transmission parts, described expansion recipient adopts the material of outside expansion unfolded state when injecting the following slurries of 5MPa in the expansion recipient to make, the tensile strength of expansion material that recipient uses is as more than the 6MPa, and the expansion recipient uses the transmission coefficient of material less than 10
-6Cm/s.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, wherein said lower sleeve assembly comprises empty down tube and supporting plate, the upper end of following empty tube is weldingly fixed on the lower surface of supporting plate, described lower cover adopt be threaded or welded and installed in the bottom of empty tube down, described elastic sealing element down is arranged on down in the empty tube, described empty down tube is circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section, the under shed of described expansion recipient adopts flange to be fixed on the upper end of described supporting plate, supporting plate is provided with the connecting hole of Force transmission parts, the bottom of supporting plate and Force transmission parts is fixedly linked, the tensile strength of expansion material that recipient uses is as more than the 7MPa, and the transmission coefficient of expansion material that recipient uses is less than 10
-7Cm/s.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, wherein said lower sleeve assembly comprises overhead tube, supporting plate and down empty tube, the bottom of overhead tube is weldingly fixed on the upper surface of supporting plate, the described top of empty tube down is weldingly fixed on the lower surface of supporting plate, supporting plate is provided with the connecting hole of Force transmission parts, the bottom of supporting plate and Force transmission parts is fixedly linked, described lower cover adopt be threaded or welded and installed in the bottom of empty tube down, described elastic sealing element down is arranged on down in the empty tube, along the circumferential direction be provided with a plurality of antislip cogs down on the lateral wall of described overhead tube side by side, the under shed of described expansion recipient is sleeved on the lateral wall of overhead tube, and adopt more than one lower catch hoop to fix, described overhead tube and down empty tube are circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section, the tensile strength of expansion material that recipient uses is as more than the 7MPa, and the transmission coefficient of expansion material that recipient uses is less than 10
-7Cm/s, the height after the expansion recipient launches is 0.4～3m, and the horizontal internal diameter after the expansion is 0.4～1.5m, and the expansion recipient is folded before use and is wound into cylindrical tube shape.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, wherein said lower sleeve assembly comprises overhead tube, supporting plate and down empty tube and sleeve, the bottom of overhead tube and sleeve is weldingly fixed on the upper surface of supporting plate, overhead jacket casing is contained in the sleeve, described supporting plate is provided with the connecting hole of Force transmission parts, the bottom of supporting plate and Force transmission parts is fixedly linked, the described top of empty tube down is weldingly fixed on the lower surface of supporting plate, described lower cover adopt be threaded or welded and installed in the bottom of empty tube down, described elastic sealing element down is arranged on down in the empty tube, the under shed of described expansion recipient is inserted in the annular gap between described overhead tube and the sleeve, and adopt a plurality of bolt of radially passing overhead tube and sleeve, be perfused with fluid sealant in the annular gap between overhead tube and the sleeve, described overhead tube and down empty tube are circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section, the tensile strength of expansion material that recipient uses is as more than the 7MPa, and the transmission coefficient of expansion material that recipient uses is less than 10
-7Cm/s, the height after the expansion recipient launches is 0.4～3m, and the horizontal internal diameter after the expansion is 0.4～1.5m, and the expansion recipient is folded before use and is wound into cylindrical tube shape.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, the cross section of wherein said expansion recipient is circle or ellipse or rectangle or hexagon or octagon, the axis cross-wise direction of expansion recipient is of a size of and gradually changes, high strength anti-seepage geomembrane that described expansion recipient employing thickness is 0.4～2mm or the compound geotextiles of high strength or high strength gluing nonwoven or stalloy or rolled tin iron are made, the expansion recipient adopts the material of outside expansion unfolded state when injecting the following slurries of 3MPa in the expansion recipient to make, the tensile strength of expansion material that recipient uses is as more than the 8MPa, and the transmission coefficient of expansion material that recipient uses is less than 10
-8Cm/s, the height after the expansion recipient launches is 0.4～3m, and the horizontal internal diameter after the expansion is 0.4～1.5m, and the expansion recipient is folded before use and is wound into cylindrical tube shape.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, the top of the edge of wherein said mounting plate and 2-8 elasticity blend stop is fixedly linked, each elasticity blend stop pastes mutually with the external surface of described expansion recipient respectively, the elasticity blend stop adopts and can be used as metal that the construction work section bar uses or geotextile or canvas and make, the bottom of each elasticity blend stop is fixedly linked with the edge of described supporting plate respectively, the lower end of supporting plate is fixed with the sphere guiding cap of outstanding semi-round ball hull shape downwards, described expansion recipient is folded before use and is wound into straight-tube shape, the tensile strength of described expansion material that recipient uses is as more than the 10MPa, and the transmission coefficient of expansion material that recipient uses is less than 10
-9Cm/s, the height after the expansion recipient launches is 0.4～3m, and the horizontal internal diameter after the expansion is 0.4～1.5m, and the expansion recipient is folded before use and is wound into cylindrical tube shape.
The purposes of controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention is applied to described controllable expansion extrusion soil body apparatus for geotechnical engineering the building slip casting correction and/or the foundation underpinning of civil engineering and/or makes expanded bore pile basis and/or making soil layer enlarging anchor rod and/or underpin and/or ground anchorage.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention is applicable to multiple bad ground, comprise weak soil, cohesive soil, sandy soil, residual soil, severely-weathered soil layer, can be used for comprising that stratum grouting and reinforcing, foundation underpinning, rectifying of leaned building, pile foundation expand a plurality of engineering applications such as the end, the anchoring of expansion body.Compare with existing slurry injection technique, what controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention can be field of civil engineering brings following advantage to building slip casting correction, foundation underpinning, expanded bore pile basis and soil layer enlarging anchor rod:
1, can in hole, set the controllable expansion recipient that variform, different sizes are implemented in the position.By grouting pressure and grouting amount monitoring, can precisely determine grouting and reinforcing body volume, can guarantee that stratum grouting and reinforcing, foundation underpinning, rectifying of leaned building, pile foundation expand the quality and the effect of the end, the anchoring of expansion body etc.
2, by the expansion recipient to the compacted effect of the swelling pressure that the soil body produced, can significantly improve the supporting capacity and the anti-deformation of the soil body self.
3, because injecting paste material is wrapped in the expansion recipient fully, efficiently solve problems such as the arbitrarily environment pollution that causes of diffusion of slurries, waste raw material, reduced pouring material consumption and engineering time, also reduced construction cost.
4, the application to controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention can provide the multiple-anticorrosion function, can effectively improve the anticorrosive and durability performance of Force transmission parts in the expansion recipient, and the stratum that can be applied to corrosivity and pollute.
Below in conjunction with drawings and Examples in detail the present invention is described in detail.
Description of drawings
Fig. 1 is the main pseudosection of structural representation of a kind of embodiment of controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention;
Fig. 2 is the main pseudosection of structural representation of a kind of embodiment of upper bush components;
Fig. 3 is the main pseudosection of structural representation of the another kind of embodiment of upper bush components;
Fig. 4 is the main pseudosection of structural representation of another embodiment of upper bush components;
Fig. 5 is the main pseudosection of structural representation of the another kind of embodiment of controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention;
Fig. 6 is the main pseudosection of structural representation of a kind of embodiment of lower sleeve components;
Fig. 7 is the main pseudosection of structural representation of the another kind of embodiment of lower sleeve components;
Fig. 8 is the main pseudosection of structural representation of another embodiment of lower sleeve components;
Fig. 9 is the main pseudosection of a kind of structural representation of expansion recipient;
Figure 10 is the main pseudosection of the another kind of structural representation of expansion recipient;
Figure 11 is the main pseudosection of another structural representation of expansion recipient;
Figure 12 is the main pseudosection of another structural representation of expansion recipient;
Figure 13 is in a kind of main pseudosection of structural representation of folding mode for controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention;
Figure 14 is in the main pseudosection of the structural representation of another kind of folding mode for controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention;
Figure 15 is the sectional drawing of structural representation of a kind of folding mode of expansion recipient of the present invention;
Figure 16 is the sectional drawing of structural representation of the another kind of folding mode of expansion recipient of the present invention;
Figure 17 is the main pseudosection that is in the structural representation of earth drilling before the controllable expansion extrusion soil body apparatus for geotechnical engineering injection fluid of the present invention;
Figure 18 is the A-A sectional top view of Figure 17;
Figure 19 is applied to the schematic diagram that existing building increases the pile underpinning of layer reinforcing for adopting controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention;
Figure 20 is the zoomed-in view in the B-B cross section of Figure 19;
Figure 21 carries out the schematic diagram of the construction process that slip casing by pressure ground stabilization, building only incline, rectify a deviation for adopting controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention to the inclination building;
Figure 22 is the vertical view of Figure 21.
The specific embodiment
As Fig. 1 and shown in Figure 5, controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, comprise upper bush assembly 1, the top of upper bush assembly 1 is fixed with upper cover plate, top in the upper bush assembly 1 is provided with elastic sealing element, the bottom of upper bush assembly 1 links to each other with the upper shed on expansion recipient 5 tops, expansion recipient 5 adopts the material of outside expansion unfolded state when injecting the following fluid of 6MPa in expansion recipient 5 to make, upper bush assembly 1, upper cover plate and last elastic sealing element upper edge axis direction are provided with on the Grouting Pipe that communicates with the upper shed of the recipient 5 that expands via hole 7 on via hole 6 and the Force transmission parts, and the quantity of via hole 7 also can be 2 or 3 or 4 or 6 on the Force transmission parts.Last elastic sealing element 3 belongs to known products of the prior art, its sealing principle is to do the time spent when the pressure that last elastic sealing element 3 is subjected to liquid slurry, can produce shrinkage strain, thereby with 7 compressions of via hole on via hole on the Grouting Pipe 6 and each Force transmission parts, the hole wall of via hole 6 can paste tightly mutually with the sidewall of Grouting Pipe 24 on the Grouting Pipe, the hole wall of via hole 7 then can paste tightly mutually with the sidewall of Force transmission parts 23 on the Force transmission parts, to play sealing function.
As shown in Figure 2 be wherein a kind of upper bush assembly 1 of controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, this upper bush assembly 1 comprises top cylinder 11 and mounting plate 19, the bottom of top cylinder 11 is weldingly fixed on the upper surface of mounting plate 19, upper cover plate 2 adopt be threaded or welded and installed on the top of top cylinder 11, last elastic sealing element 3 is arranged in the top cylinder 11, top cylinder 11 is circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section, and the upper shed of expansion recipient 5 adopts flange 4 to be fixed on the bottom of mounting plate 19.
As shown in Figure 3, upper bush assembly 1 also can be to comprise top cylinder 11A, mounting plate 19A and doffing 18, the bottom of top cylinder 11A is weldingly fixed on the upper surface of mounting plate 19A, the top of doffing 18 is weldingly fixed on the lower surface of mounting plate 19A, upper cover plate 2 adopt be threaded or welded and installed on the top of top cylinder 11A, last elastic sealing element 3A is arranged in the top cylinder 11A, along the circumferential direction be provided with a plurality of antislip cogs 16 of going up on the lateral wall of doffing 18 side by side, the upper shed of expansion recipient 5 is sleeved on the lateral wall of doffing 18, and adopting 2 or 3 front bands 14 fixing, top cylinder 11A and doffing 18 are circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section.
As shown in Figure 4, upper bush assembly 1 can also be to comprise top cylinder 11B, mounting plate 19B, doffing 18B and lower sleeve 1c, the bottom of top cylinder 11B is weldingly fixed on the upper surface of mounting plate 19B, the top of doffing 18B and lower sleeve 1c is weldingly fixed on the lower surface of mounting plate 19B, doffing 18B is sleeved in the lower sleeve 1c, upper cover plate 2B adopt be threaded or welded and installed on the top of top cylinder 11B, last elastic sealing element 3B is arranged in the top cylinder 11B, the upper shed of expansion recipient 5 is inserted in the annular gap between lower sleeve 1c and the doffing 18B, and adopt a plurality of bolt of radially passing lower sleeve 1c and doffing 18B, be perfused with fluid sealant in the annular gap between lower sleeve 1c and the doffing 18B, top cylinder 11B, lower sleeve 1c and doffing 18 are circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section.
Be provided with bearing plate 21 in the various embodiments described above in the expansion recipient 5, bearing plate 21 is provided with the connecting hole of Force transmission parts 23, bearing plate 21 adopts screw thread with the bottom of Force transmission parts 23 or is fixedly linked by nut, the effect of bearing plate 21 is to be used to connect Force transmission parts 23, also be used to simultaneously guide the expansion recipient 5 that adopts flexible material to make, make it be more convenient for inserting in the boring.Expansion recipient 5 adopts the material of outside expansion unfolded state when injecting the following slurries of 5MPa in expansion recipient 5 to make, the tensile strength of expansion recipient 5 material that uses is as more than the 10MPa, and the transmission coefficient of expansion recipient 5 material that uses is less than 10
-7Cm/s, two ends of the elastic restraint bar 20 of the edge of mounting plate and 2-8 annular are fixedly linked, each elastic restraint bar 20 pastes around expansion recipient 5 and with the external surface of expansion recipient 5 downwards respectively mutually, expansion recipient 5 is folded before use and is wound into the straight cylinder tubular, so that insert in the boring, height after expansion recipient 5 launches is 0.4～3m, horizontal internal diameter after the expansion is 0.4～1.5m, expansion recipient 5 is folded before use and is wound into tubular, last elastic sealing element 3 adopts rubber-like rubber or pitch or polytetrafluoroethylmaterial material to make, and elastic restraint bar 20 adopts and can be used as metal that the construction work section bar uses or geotextile or canvas and make.
As shown in Figure 5, the bottom of the expansion recipient 5 of controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention is provided with under shed, the under shed of expansion recipient 5 links to each other with the top of lower sleeve assembly 9, be provided with down elastic sealing element in the lower sleeve assembly 9, the bottom of lower sleeve assembly 9 is fixed with lower cover, lower cover and following elastic sealing element upper edge axis direction are provided with via hole 13 under at least one Force transmission parts, expansion recipient 5 adopts the material of outside expansion unfolded state when injecting 0.4MPa or 1.2MPa or 2MPa or 2.4MPa or 4MPa or 5MPa or 6.6MPa or the following slurries of 8MPa in expansion recipient 5 to make, the tensile strength of expansion recipient 5 material that uses is as 5MPa or 7MPa or 9MPa or 11MPa or 14MPa or 17MPa or 19MPa or more than the 20MPa, the transmission coefficient of expansion recipient 5 material that uses is less than 10
-7Cm/s or 10
-8Cm/s or 10
-9Cm/s.Following elastic sealing element also belongs to known products of the prior art, and its sealing principle is identical with last elastic sealing element.
As shown in Figure 6, lower sleeve assembly 9 comprises overhead tube 28B, supporting plate 25B and down empty tube 27B, the bottom of overhead tube 28B is weldingly fixed on the upper surface of supporting plate 25B, the top of following empty tube 27B is weldingly fixed on the lower surface of supporting plate 25B, supporting plate 25B is provided with the connecting hole of Force transmission parts 23, the bottom of supporting plate 25B and Force transmission parts 23 is fixedly linked, lower cover 12B adopt be threaded or welded and installed in the bottom of empty tube 27B down, following elastic sealing element 10B is arranged on down in the empty tube 27B, along the circumferential direction be provided with a plurality of antislip cogs 17 down on the lateral wall of overhead tube 28B side by side, the under shed of expansion recipient 5 is sleeved on the lateral wall of overhead tube 28B, and adopt 2 or 3 lower catch hoops 15 fixing, overhead tube 28B and down empty tube 27B are that cross section is circle or ellipse or rectangle or hexagon or octagonal pillar buoy, the tensile strength of expansion recipient 5 material that uses also can be as more than the 7MPa, and the transmission coefficient of expansion recipient 5 material that uses also can be less than 10
-7Cm/s.
As shown in Figure 7, above-mentioned lower sleeve assembly 9 also can be to comprise empty down tube 27 and supporting plate 25, the upper end of following empty tube 27 is weldingly fixed on the lower surface of supporting plate 25, lower cover 12 adopt be threaded or welded and installed in the bottom of empty tube 27 down, following elastic sealing element 10 is arranged on down in the empty tube 27, following empty tube 27 is circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section, the under shed of expansion recipient 5 adopts flange to be fixed on the upper end of supporting plate 25, supporting plate 25 is provided with the connecting hole of Force transmission parts 23, supporting plate 25 is fixedly linked with the bottom of Force transmission parts 23, the tensile strength of expansion recipient 5 material that uses is as more than the 7MPa, and the transmission coefficient of expansion recipient 5 material that uses is less than 10
-6Cm/s.
As shown in Figure 8, above-mentioned lower sleeve assembly 9 also can be to comprise overhead tube 28C, supporting plate 25C and down empty tube 27C and sleeve 9c, the bottom of overhead tube 28C and sleeve 9c is weldingly fixed on the upper surface of supporting plate 25C, overhead tube 28C is sleeved in the sleeve 9c, supporting plate 25C is provided with the connecting hole of Force transmission parts 23, the bottom of supporting plate 25C and Force transmission parts 23 is fixedly linked, the top of following empty tube 27C is weldingly fixed on the lower surface of supporting plate 25C, lower cover 12C adopt be threaded or welded and installed in the bottom of empty tube 27C down, following elastic sealing element 10C is arranged on down in the empty tube 27C, the under shed of expansion recipient 5 is inserted in the annular gap between overhead tube 28C and the sleeve 9c, and adopt a plurality of bolt of radially passing overhead tube 28C and sleeve 9c, be perfused with fluid sealant in the annular gap between overhead tube 28C and the sleeve 9c, overhead tube 28C and down empty tube 27C are that cross section is circle or ellipse or rectangle or hexagon or octagonal pillar buoy, the tensile strength of expansion recipient 5 material that uses also can be as more than the 7MPa, and the transmission coefficient of expansion recipient 5 material that uses also can be less than 10
-7Cm/s.
The cross section of expansion recipient 5 is circle or ellipse or rectangle or hexagon or octagon in the various embodiments described above, the shape of the axis cross-wise direction of expansion recipient 5 can be as Fig. 9, Figure 10, Figure 11 and shown in Figure 12, for what gradually change, or it is indeclinable, it is that the high strength anti-seepage geomembrane of 0.4～2mm or the compound geotextiles of high strength or high strength gluing nonwoven or stalloy or rolled tin iron are made that expansion recipient 5 adopts thickness, the expansion recipient 5 that adopts stalloy or rolled tin iron to make can be folded into straight-tube shape with it according to Figure 13 or shape shown in Figure 15, the thickness of stalloy or rolled tin iron will guarantee its outside expansion unfolded state when injecting 0.5MPa or 1.5MPa or 2MPa or 2.5MPa or 4MPa or 5MPa or 6.5MPa or the following slurries of 8MPa, adopt expansion recipient 5 that high strength anti-seepage geomembrane or the compound geotextiles of high strength or high strength gluing nonwoven make it to be folded into straight-tube shape according to Figure 14 or Figure 16 or shape shown in Figure 180, the tensile strength of expansion recipient 5 material that uses can as 6MPa or 8MPa or 10MPa or 12MPa or 15MPa or 16MPa or 18MPa or more than the 20MPa, the transmission coefficient of expansion recipient 5 material that uses also can be less than 10
-8Cm/s or 10
-9Cm/s.
The top of the edge of mounting plate and 2-8 elasticity blend stop 20a is fixedly linked in the various embodiments described above, each elasticity blend stop 20a pastes mutually with the external surface of expansion recipient 5 respectively, the bottom of each elasticity blend stop 20a is fixedly linked with the edge of supporting plate respectively, the lower end of supporting plate is fixed with the sphere guiding cap 22 of outstanding semi-round ball hull shape downwards, expansion recipient 5 is folded before use and is wound into straight-tube shape, so that insert in the boring, the tensile strength of expansion recipient 5 material that uses also can be as more than the 10MPa.
Height after expansion recipient 5 launches in the various embodiments described above is 0.4～3m, horizontal internal diameter after the expansion is 0.4～1.5m, expansion recipient 5 is folded before use and is wound into cylindrical tube shape, last elastic sealing element 3 and following elastic sealing element 10 adopt rubber-like rubber or pitch or poly-four Buddhist vinyl materials to make respectively, and elasticity blend stop 20a adopts the metal that can be used as the use of construction work section bar or geotextile or canvas to make.
In the various embodiments described above of the present invention, controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention can be positioned over the tail end of anti-float anchor rod, be used to improve the bearing capacity of single anchor.
As Figure 17 and shown in Figure 180, the working procedure of controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention can be: at first be put in the projected depth in the boring under the controllable expansion extrusion soil body apparatus for geotechnical engineering with above-mentioned folded roll coiled straight-tube shape, the lower end of Grouting Pipe 24 is injected in the expansion recipient 5 by via hole on the Grouting Pipe 6, the upper end of Grouting Pipe 24 is connected with the high pressure slurry pump outlet pipe, start high pressure slurry pump 8 and pass through Grouting Pipe 24 to expansion recipient 5 cement injection slurries with the pump pressure of 2～3MPa, the pump pressure of high pressure slurry pump 8 also can be 0.5～8MPa, utilize Pump pressure meter and pump scale to monitor grouting pressure and total injection rate, when expansion recipient 5 is expanded to design volume gradually, end pressure injection.By slip casing by pressure, expansion recipient 5 can expand gradually, forms the anti-float anchor rod that body is expanded in the anchoring of ball-type swelling pressure that has with high-bearing capacity at last.After maintenance in 24 hours, use punching hydraulic tensioning device pressure-type soil layer anti-float anchor rod is carried out stretch-draw and locking, finish the construction and the installation of this pressure-type anti-float anchor rod.
The purposes of controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, comprise the building slip casting correction and/or foundation underpinning and/or expanded bore pile basis and/or soil layer enlarging anchor rod and/or underpin and/or the ground anchorage that controllable expansion extrusion soil body apparatus for geotechnical engineering among the above-mentioned various embodiment are applied to civil engineering, especially controllable expansion extrusion soil body apparatus for geotechnical engineering is applied to loose soft stratum and has high water head, the building slip casting correction of the civil engineering on high osmosis underground water stratum and/or foundation underpinning and/or expanded bore pile basis and/or soil layer enlarging anchor rod and/or underpin and/or ground anchorage.
Controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention can be applicable to existing building and increases the pile underpinning that layer is reinforced.This building original structure form can be the multistory masonry structure building, and as shown in figure 20, steel concrete bar shaped spread footing 32 is arranged in top argillic horizon 31, and the bottom is a soil nature powder land floor 33 preferably.Increase the needs that layer is reinforced in order to adapt to building, improve the supporting capacity on former basis, Scheme of Strengthening is for setting the long 8m of being of a pair of stake respectively along steel concrete bar shaped spread footing 32 axis directions interval 2～3m, and have a mud jacking perfusion balloon catheter expanded bore pile 34 of controllable expansion extrusion soil body apparatus for geotechnical engineering 35 of the present invention, the mode that lays out pile of mud jacking perfusion balloon catheter expanded bore pile 34 circle distributing position as shown in figure 19; The power transmission section stake of substrate underpinned pile directly is 220mm, after the end section that expands mud jacking adopts controllable expansion extrusion soil body apparatus for geotechnical engineering 35 slip castings expansion to expand body, its maximum diameter of pile is 400mm, it is the high-strength antiseepage geotextiles of 1.0mm that the material of expansion recipient 5 adopts thickness, its tensile strength is 9Mpa, and transmission coefficient is 10
-8Cm/s, pressure injection material selection water/binder ratio are 0.8 P.O.42.5# cement mortar.
With reference to Figure 19 and Figure 20, adopt the pile underpinning construction technology process of controllable expansion extrusion soil body apparatus for geotechnical engineering enforcement mud jacking perfusion balloon catheter expanded bore pile of the present invention as follows:
The symmetric position of bar shaped spread footing 32 axis both sides vertically Drilling go out the hole that a pair of diameter is slightly larger than 220mm;
2. use 30 type rigs and in foundation bed, set the boring that diameter is 220mm by above hole, hole depth is the following 10m in ground ± 0, be the argillic horizon 31 that the expanded bore pile base passes 8m, enter the powder land floor 33 of argillic horizon 31 bottoms, the degree of depth that enters powder land floor 33 is 2m;
3. in boring, insert 2 Φ 32 reinforcing bars as Force transmission parts 23, the bottom of Force transmission parts 23 is connected with controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, Force transmission parts 23 and Grouting Pipe are passed upper bush assembly 1 and are entered expansion recipient 5, and the cross section of expansion recipient 5 is folded and is wound into straight cylindrical;
4. 2 Force transmission partses 23 are linked to each other with the cage of reinforcement of bar shaped spread footing 32 along bar shaped spread footing 32 long axis directions;
5. pea gravel concreten is poured in the boring of placing expansion recipient 5, until the surface of strip foundation;
6. start mud jacking equipment, with the pressure injection expansion recipient 5 of cement mortar with 3Mpa, make it be expanded to default spherical and size, the bottom of formation mud jacking castinplace pile enlarges supporting body;
7. along strip foundation long axis direction formwork and pour into a mould the C30 concrete, finish the building of using controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention and increase a layer pile underpinning construction.
As Figure 21 and shown in Figure 22, geotechnical engineering of the present invention also can be applicable to high-rise building slip casting ground stabilization, only inclines, rectifies a deviation with controllable expansion pressing body device.
Because high-rise building box foundation is positioned at area, intermountain slope, the basis is embedded in the deep viscous soil horizon, basement rock surface tilt for sleeping under the argillic horizon, and the back building that tops out produces unidirectional inclination.So local ground stabilization is carried out in the big zone of box foundation settling amount, reduce the relative settlement of building, simultaneously by using controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, monitor in conjunction with building deformation, carry out the slip casing by pressure of branch preface control type, the inclination building are only inclined and correction.The specific embodiment adopt design foundation grouting reinforcing area by Figure 21 and Figure 22 in the distributing position of oval circle carry out geotechnical engineering of the present invention burying underground with controllable expansion pressing body device.The recipient 5 that wherein expands adopts the high-strength anti-seepage geomembrane of 0.8mm, and its tensile strength is 12Mpa, and transmission coefficient is 10
-9Cm/s.Pressure injection material selection water/binder ratio is 0.5 neat slurry.The straight tubular of expansion recipient 5 folded roll coileds.
With reference to Figure 21 and Figure 22, adopt controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention as follows for the inclination building carry out the construction process that slip casing by pressure ground stabilization, building only incline, rectify a deviation:
1. at the place, vacant lot of pre-correction one side, longitudinally set a plurality of construction shafts, and carry out necessary construction supporting near the building position;
2. adopt 50 type rigs in each building inclined side vertical shaft, to set the inclined drill that diameter is 160mm to building substrate predetermined position;
3. the mounting plate 19 with the upper bush assembly 1 of 1 diameter threaded reinforcing bar in bottom that is 20mm and controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention adopts screw threads to be fixedly linked.Grouting Pipe 24 is inserted expansion recipient 5.
4. utilize reinforcing bar controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention to be put into the bottom of each inclined drill respectively, and this reinforcing bar derotation thrown off controllable expansion extrusion soil body apparatus for geotechnical engineering of the present invention, take out reinforcing bar then so that recycle;
5. startup mudjack, and combination is preset in the monitored data of deformation monitoring point in the building structure, and cement paste is injected in the expansion recipient 5 with pressure timesharing one by one, the branch preface of 2～4Mpa, it is expanded form the extruding expanding body of setting.
6. according to the distribution on basement rock inclined plane, by with the mode of sequential slip casting extruding box base substrate soil layer lifting building inclination one side gradually, after correction puts in place according to the deformation monitoring result, stop slip casting and seal Grouting Pipe 24, fill inclined drill with cement paste again, finish Deviation Correction Construction.
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. controllable expansion extrusion soil body apparatus for geotechnical engineering, it is characterized in that comprising upper bush assembly (1), the top of upper bush assembly (1) is fixed with upper cover plate, top in the upper bush assembly (1) is provided with elastic sealing element, the bottom of upper bush assembly (1) links to each other with the upper shed on expansion recipient (5) top, expansion recipient (5) adopts the material of outside expansion unfolded state when injecting the following fluid of 8MPa in expansion recipient (5) to make described upper bush assembly (1), described upper cover plate and the described elastic sealing element upper edge axis direction of going up are provided with on the Grouting Pipe that communicates with the upper shed of described expansion recipient (5) via hole (7) on the via hole (6) and at least one Force transmission parts.
2. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 1, it is characterized in that: described upper bush assembly (1) comprises top cylinder (11) and mounting plate (19), the bottom of top cylinder (11) is weldingly fixed on the upper surface of mounting plate (19), described upper cover plate (2) adopt be threaded or welded and installed on the top of top cylinder (11), the described elastic sealing element (3) of going up is arranged in the top cylinder (11), described top cylinder (11) is circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section, and the upper shed of described expansion recipient (5) adopts flange (4) to be fixed on the bottom of described mounting plate (19).
3. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 1, it is characterized in that: described upper bush assembly (1) comprises top cylinder (11A), mounting plate (19A) and doffing (18), the bottom of top cylinder (11A) is weldingly fixed on the upper surface of mounting plate (19A), the top of described doffing (18) is weldingly fixed on the lower surface of mounting plate (19A), described upper cover plate (2A) adopt be threaded or welded and installed on the top of top cylinder (11A), the described elastic sealing element (3A) of going up is arranged in the top cylinder (11A), along the circumferential direction be provided with a plurality of antislip cogs (16) of going up on the lateral wall of described doffing (18) side by side, the upper shed of described expansion recipient (5) is sleeved on the lateral wall of doffing (18), and adopting more than one front band (14) fixing, described top cylinder (11A) and doffing (18) they are circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section.
4. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 1, it is characterized in that: described upper bush assembly (1) comprises top cylinder (11B), mounting plate (19B), doffing (18B) and lower sleeve (1c), the bottom of top cylinder (11B) is weldingly fixed on the upper surface of mounting plate (19B), the top of described doffing (18B) and described lower sleeve (1c) is weldingly fixed on the lower surface of mounting plate (19B), doffing (18B) is sleeved in the lower sleeve (1c), described upper cover plate (2B) adopt be threaded or welded and installed on the top of top cylinder (11B), the described elastic sealing element (3B) of going up is arranged in the top cylinder (11B), the upper shed of described expansion recipient (5) is inserted in the annular gap between described lower sleeve (1c) and the described doffing (18), and adopt a plurality of bolt of radially passing lower sleeve (1c) and doffing (18B), be perfused with fluid sealant in the annular gap between lower sleeve (1c) and the doffing (18B), described top cylinder (11B), lower sleeve (1c) and doffing (18B) are circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section.
5. as any one described controllable expansion extrusion soil body apparatus for geotechnical engineering in the claim 2 to 4, it is characterized in that: the cross section of described expansion recipient (5) is circle or ellipse or rectangle or hexagon or octagon, the axis cross-wise direction of expansion recipient (5) is of a size of and gradually changes, described expansion recipient (5) adopts the material of outside expansion unfolded state when injecting the following slurries of 5MPa in expansion recipient (5) to make, the tensile strength of expansion recipient (5) material that uses is as more than the 8MPa, and the transmission coefficient of expansion recipient (5) material that uses is less than 10
-6Cm/s.
6. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 5, it is characterized in that: be provided with bearing plate (21) in the described expansion recipient (5), bearing plate (21) is provided with the connecting hole of Force transmission parts (23), bearing plate (21) adopts screw thread to be fixedly linked with the bottom of Force transmission parts (23), it is that the high strength anti-seepage geomembrane of 0.4～2mm or the compound geotextiles of high strength or high strength gluing nonwoven or stalloy or rolled tin iron are made that described expansion recipient (5) adopts thickness, the tensile strength of expansion recipient (5) material that uses is as more than the 10MPa, and the transmission coefficient of expansion recipient (5) material that uses is less than 10
-7Cm/s, two ends of the elastic restraint bar (20) of the edge of described mounting plate (19) and 2-8 annular are fixedly linked, each elastic restraint bar (20) pastes around described expansion recipient (5) and with the external surface of expansion recipient (5) downwards respectively mutually, described expansion recipient (5) is folded before use and is wound into the straight cylinder tubular, height after described expansion recipient (5) launches is 0.4～3m, horizontal internal diameter after the expansion is 0.4～1.5m, expansion recipient (5) is folded before use and is wound into tubular, the described elastic sealing element (3) of going up adopts rubber-like rubber or pitch or polytetrafluoroethylmaterial material to make, and described elastic restraint bar (20) adopts and can be used as metal that the construction work section bar uses or geotextile or canvas and make.
7. as claim 2 or 3 or 4 described controllable expansion extrusion soil body apparatus for geotechnical engineering, it is characterized in that: the bottom of described expansion recipient (5) is provided with under shed, the under shed of expansion recipient (5) links to each other with the top of lower sleeve assembly (9), the lower sleeve assembly is provided with down elastic sealing element in (9), following elastic sealing element adopts rubber-like rubber or pitch or polytetrafluoroethylmaterial material to make, the bottom of lower sleeve assembly (9) is fixed with lower cover, described lower cover and described elastic sealing element upper edge axis direction down are provided with via hole under at least one Force transmission parts (13), described expansion recipient (5) adopts the material of outside expansion unfolded state when injecting the following slurries of 5MPa in expansion recipient (5) to make, the tensile strength of expansion recipient (5) material that uses is as more than the 6MPa, and the transmission coefficient of expansion recipient (5) material that uses is less than 10
-6Cm/s.
8. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 7, it is characterized in that: described lower sleeve assembly (9) comprises empty down tube (27) and supporting plate (25), the upper end of following empty tube (27) is weldingly fixed on the lower surface of supporting plate (25), described lower cover (12) adopt be threaded or welded and installed in the bottom of empty tube (27) down, described elastic sealing element (10) down is arranged on down in the empty tube (27), described empty tube (27) down is circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section, the under shed of described expansion recipient (5) adopts flange (4) to be fixed on the upper end of described supporting plate (25), supporting plate (25) is provided with the connecting hole of Force transmission parts (23), supporting plate (25) is fixedly linked with the bottom of Force transmission parts (23), the tensile strength of expansion recipient (5) material that uses is as more than the 7MPa, and the transmission coefficient of expansion recipient (5) material that uses is less than 10
-7Cm/s.
9. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 7, it is characterized in that: described lower sleeve assembly (9) comprises overhead tube (28), supporting plate (25B) and empty down tin (27B), the bottom of overhead tube (28) is weldingly fixed on the upper surface of supporting plate (25), the described top of empty tube (27B) down is weldingly fixed on the lower surface of supporting plate (25B), supporting plate (25B) is provided with the connecting hole of Force transmission parts (23), supporting plate (25B) is fixedly linked with the bottom of Force transmission parts (23), described lower cover (12B) adopt be threaded or welded and installed in the bottom of empty tube (27B) down, described elastic sealing element (10B) down is arranged on down in the empty tube (27B), along the circumferential direction be provided with a plurality of antislip cogs (17) down on the lateral wall of described overhead tube (28) side by side, the under shed of described expansion recipient (5) is sleeved on the lateral wall of overhead tube (28), and adopt more than one lower catch hoop (15) fixing, described overhead tube (28) and empty down tin (27B) are circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section, the tensile strength of expansion recipient (5) material that uses is as more than the 7MPa, and the transmission coefficient of expansion recipient (5) material that uses is less than 10
-7Cm/s.
10. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 7, it is characterized in that: described lower sleeve assembly (9) comprises overhead tube (28C), supporting plate (25C) and empty down tube (27C) and sleeve (9c), the bottom of overhead tube (28C) and described sleeve (9c) is weldingly fixed on the upper surface of supporting plate (25C), overhead tube (28C) is sleeved in the sleeve (9c), described supporting plate (25C) is provided with the connecting hole of Force transmission parts (23), supporting plate (25C) is fixedly linked with the bottom of Force transmission parts (23), the described top of empty tube (27C) down is weldingly fixed on the lower surface of supporting plate (25C), described lower cover (12C) adopt be threaded or welded and installed in the bottom of empty tube (27C) down, described elastic sealing element (10C) down is arranged on down in the empty tube (27C), the under shed of described expansion recipient (5) is inserted in the annular gap between described overhead tube (28C) and the sleeve (9c), and adopt a plurality of bolt of radially passing overhead tube (28C) and sleeve (9c), be perfused with fluid sealant in the annular gap between overhead tube (28C) and the sleeve (9c), described overhead tube (28C) and empty down tin (27C) are circle or ellipse or rectangle or hexagon or octagonal pillar buoy for cross section, the tensile strength of expansion recipient (5) material that uses is as more than the 7MPa, and the transmission coefficient of expansion recipient (5) material that uses is less than 10
-7Cm/s.
11. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 7, it is characterized in that: the cross section of described expansion recipient (5) is circle or ellipse or rectangle or hexagon or octagon, the axis cross-wise direction of expansion recipient (5) is of a size of and gradually changes, it is that the high strength anti-seepage geomembrane of 0.4～2mm or the compound geotextiles of high strength or high strength gluing nonwoven or stalloy or rolled tin iron are made that described expansion recipient (5) adopts thickness, expansion recipient (5) adopts the material of outside expansion unfolded state when injecting the following slurries of 3MPa in expansion recipient (5) to make, the tensile strength of expansion recipient (5) material that uses is as more than the 8MPa, and the transmission coefficient of expansion recipient (5) material that uses is less than 10
-8Cm/s, the height after expansion recipient (5) launches is 0.4～3m, and the horizontal internal diameter after the expansion is 0.4～1.5m, and expansion recipient (5) is folded before use and is wound into cylindrical tube shape.
12. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 8, it is characterized in that: the top of the edge of described mounting plate and 2-8 elasticity blend stop (20a) is fixedly linked, each elasticity blend stop (20a) pastes mutually with the external surface of described expansion recipient (5) respectively, elasticity blend stop (20a) adopts and can be used as metal that the construction work section bar uses or geotextile or canvas and make, the bottom of each elasticity blend stop (20a) is fixedly linked with the edge of described supporting plate respectively, the lower end of supporting plate is fixed with the sphere guiding cap (22) of outstanding semi-round ball hull shape downwards, described expansion recipient (5) is folded before use and is wound into straight-tube shape, the tensile strength of described expansion recipient (5) material that uses is as more than the 10MPa, and the transmission coefficient of expansion recipient (5) material that uses is less than 10
-9Cm/s, the height after expansion recipient (5) launches is 0.4～3m, and the horizontal internal diameter after the expansion is 0.4～1.5m, and expansion recipient (5) is folded before use and is wound into cylindrical tube shape.
13. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 9, it is characterized in that: the top of the edge of described mounting plate and 2-8 elasticity blend stop (20a) is fixedly linked, each elasticity blend stop (20a) pastes mutually with the external surface of described expansion recipient (5) respectively, elasticity blend stop (20a) adopts and can be used as metal that the construction work section bar uses or geotextile or canvas and make, the bottom of each elasticity blend stop (20a) is fixedly linked with the edge of described supporting plate respectively, the lower end of supporting plate is fixed with the sphere guiding cap (22) of outstanding semi-round ball hull shape downwards, described expansion recipient (5) is folded before use and is wound into straight-tube shape, the tensile strength of described expansion recipient (5) material that uses is as more than the 10MPa, and the transmission coefficient of expansion recipient (5) material that uses is less than 10
-9Cm/s, the height of expansion recipient (5) is 0.4～3m, and laterally internal diameter is 0.4～1.5m, and expansion recipient (5) is folded before use and is wound into cylindrical tube shape.
14. controllable expansion extrusion soil body apparatus for geotechnical engineering as claimed in claim 10, it is characterized in that: the top of the edge of described mounting plate and 2-8 elasticity blend stop (20a) is fixedly linked, each elasticity blend stop (20a) pastes mutually with the external surface of described expansion recipient (5) respectively, elasticity blend stop (20a) adopts and can be used as metal that the construction work section bar uses or geotextile or canvas and make, the bottom of each elasticity blend stop (20a) is fixedly linked with the edge of described supporting plate respectively, the lower end of supporting plate is fixed with the sphere guiding cap (22) of outstanding semi-round ball hull shape downwards, described expansion recipient (5) is folded before use and is wound into straight-tube shape, the tensile strength of described expansion recipient (5) material that uses is as more than the 10MPa, and the transmission coefficient of expansion recipient (5) material that uses is less than 10
-9After cm/s, expansion recipient (5) launch height be 0.4～3m, the horizontal internal diameter after the expansion is 0.4～1.5m, expansion recipient (5) is folded before use and is wound into cylindrical tube shape.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810117836 CN101324064B (en) | 2008-08-05 | 2008-08-05 | Controllable expansion extrusion soil body apparatus for geotechnical engineering and use thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810117836 CN101324064B (en) | 2008-08-05 | 2008-08-05 | Controllable expansion extrusion soil body apparatus for geotechnical engineering and use thereof |
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| CN101324064B true CN101324064B (en) | 2010-11-03 |
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| CN102002951B (en) * | 2010-11-18 | 2012-09-19 | 中冶建筑研究总院有限公司 | Grouting device combining exhausting and grout backflow preventing functions and construction method of geotechnical engineering structural elements using the same |
| CN102605773B (en) * | 2012-04-16 | 2014-08-13 | 上海市建工设计研究院有限公司 | Construction method of slip-casting expanded-base cast-in-situ bored pile and extruding-extending device thereof |
| CN102839663B (en) * | 2012-09-02 | 2015-08-19 | 山东科技大学 | Automatic anchor device and application process thereof |
| CN105714822A (en) * | 2016-02-29 | 2016-06-29 | 中国京冶工程技术有限公司 | Assembly type expanded-base grouting anchoring structure device and assembly construction method |
| CN110057634B (en) * | 2019-04-11 | 2021-09-07 | 东北石油大学 | Device and method for manufacturing core cracks |
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