CN102852140B - Curtain type cave filling pile construction method and elastic mesh cloth - Google Patents
Curtain type cave filling pile construction method and elastic mesh cloth Download PDFInfo
- Publication number
- CN102852140B CN102852140B CN201210381752.8A CN201210381752A CN102852140B CN 102852140 B CN102852140 B CN 102852140B CN 201210381752 A CN201210381752 A CN 201210381752A CN 102852140 B CN102852140 B CN 102852140B
- Authority
- CN
- China
- Prior art keywords
- screen cloth
- solution cavity
- elasticity
- hole
- cloth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Revetment (AREA)
Abstract
The invention discloses a curtain type cave filling pile construction method and an elastic mesh cloth. The curtain type cave filling pile construction method is characterized in that the position of a pile hole is determined according to design requirements, the hole is formed, a cave opening distribution area is determined, the pile hole at the cave opening distribution position is cylindrical, and the maximal aperture of the cave opening on the axial direction of the pile hole and the minimal distance from the edge of the cave opening to the pile hole are determined; the elastic mesh cloth is assembled at the pile hole after the hole is dug to the designed depth, namely firstly the elastic mesh cloth is arranged into a cylinder with the diameter smaller than that of the pile hole by using lock catches and then put at the position of the cave opening and fixed on the axial direction of the pile hole, the lock catches are released, the elastic mesh cloth expands and attaches to the hole wall of the pile hole where the cave opening is positioned under the action of the self elastic force to form a curtain, and subsequently a pile is formed by filling. With the curtain type cave filling pile construction method and the elastic mesh cloth, loss of filled concrete from the cave opening can be prevented to guarantee the pile quality; the elastic mesh cloth has a simple structure and is easily constructed, and the cost is low; and the method and the cloth are especially suitable for situations that the cave opening is positioned below the underground water level.
Description
Technical field
The invention belongs to technical field of building construction, relate to a kind of exposure to the cast-in-place pile construction method of solution cavity, particularly a kind of curtain formula solution cavity cast-in-place pile construction method and elasticity screen cloth.
Background technology
At present, the construction method of deposited reinforced concrete pile is: determine position, hole, pore-forming, descending reinforcing cage, concrete perfusion.For the cast-in-place pile construction method that has solution cavity, mainly contain three kinds:
The first is, while disclosing solution cavity in pore forming process, to solution cavity fill block stone throwing or clay bag, then to proceed pore-forming operation until projected depth is finally transferred reinforcing cage and fluid concrete.Due to solution cavity out-of-shape and filling leakiness, filler is difficult to solution cavity completely to fill up and tamp, and concrete easily runs off from large space, and in addition, under the lateral pressure effect of concrete perfusion, the hole wall that filler forms easily caves in, and causes pile difficulty.So this construction method not only construction speed is slower, and be difficult to guarantee pile quality, especially to solution cavity effect is poorer under water;
The second construction method is, after the pore-forming of whole stake hole, under the steel casing that will make with 10-20mm steel plate, in stake hole, at the bottom of hole, up to the stake hole hole wall between molten hole top, forming the retaining wall body that is similar to sleeve pipe, then, place reinforcing cage and concrete perfusion.This construction method effect is better, but steel casing with steel plate, make, when length is larger, the amount of required steel plate is larger, and pile cost is significantly increased, and simultaneously because the weight of steel casing is larger, needs to be equipped with lifting and welding equipment, has increased difficulty of construction;
The third construction method is at reinforcing cage surrounding parcel one deck sheet iron, this method cost is low, simple to operate, but owing to there being larger gap between iron sheet and hole wall, cannot be filled into concrete, this section of pile body side friction power is lost, stake footpath also diminishes simultaneously, causes the bearing capacity of stake to reduce.
Summary of the invention
The object of the invention is just, by adopting elasticity screen cloth, at solution cavity interruption-forming curtain, then to place reinforcing cage and concrete perfusion, thereby a kind of curtain formula solution cavity cast-in-place pile construction method and elasticity screen cloth are provided.
One of technical solution of the present invention: determine stake hole site pore-forming by designing requirement, pile hole construction technique comprises borehole, flushing cinder and boring, determine solution cavity mouth distributed area, a stake hole pass for solution cavity mouth distributing position is cylindrical, determine solution cavity mouth in stake hole the maximum caliber on axially and the minimum range in Dao Zhuankong aperture, solution cavity mouth edge; Wait excavating after projected depth, at aperture, stake hole set of locations dress elasticity screen cloth, the snap close being provided with by means of elasticity screen cloth, first elasticity screen cloth is mounted to diameter than the little cylinder of stake bore dia, by fixed bar, cylindrical shape elastic network(s) cloth is placed into solution cavity mouth position, position on stationary cylinder shape elasticity screen cloth is axial in stake hole, separate opening lock catch, elasticity screen cloth launches and is close on the stake hole hole wall of solution cavity mouth position under the effect of self elastic force, on the hole wall of the stake hole of solution cavity mouth position, form curtain, then pour into pile.
Preferred: described elasticity screen cloth is rectangle, large 1-6 m of maximum caliber on rectangular aspect ratio solution cavity mouth is axial in stake hole, rectangular width is greater than the radially maximum arc length on the hole wall of stake hole, solution cavity mouth place, and after solution opening lock catch, elasticity screen cloth can be close on solution cavity mouth stake hole hole wall around and form curtain.
Described rectangular width, than more than stake hole Zhou Chang great 0.2 m of solution cavity mouth position, is curled into diameter than the cylinder more than little 0.2m of stake bore dia by snap close.
Elasticity screen cloth is provided with radially stationary rope, separates after opening lock catch, and elasticity screen cloth launches under the effect of self elastic force, under stationary rope radially fixing, and the equal diameters in the diameter of the cylindrical shape elasticity screen cloth after expansion and stake hole.
Two of technical solution of the present invention: described elasticity screen cloth comprises screen cloth, vertical pillar, elastic steel sheet, transverse elasticity fin, described screen cloth the same face is longitudinally provided with several cloth covers, the running-on of cloth cover forms a row cloth cover for longitudinally running through, screen cloth is transversely provided with some row cloth covers, vertical pillar is connected with screen cloth through the cloth cover of longitudinal arrangement, the middle part of the vertical pillar in same row is connected with elastic steel sheet, the two ends of the vertical pillar in same row are connected with respectively transverse elasticity fin, the two ends of transverse elasticity fin are respectively equipped with dead bolt and tapered end, the snap close that dead bolt and tapered end form, while being longitudinally provided with two joints or the above vertical pillar of two joints, longitudinally two adjacent joint vertical pillars are connected.
Because vertical pillar is typically provided with two joints or more than two joints, is transversely typically provided with multiple row at screen cloth on screen cloth is longitudinal; Therefore, for clearly explanation, same each vertical pillar listing be take to " joint " as unit, be called first segment, second section, the 3rd joint etc.; Same each vertical pillar listing forms a row vertical pillar, and each row be take to " row " as unit in each vertical pillar of same position (being respectively listed as same joint number position) in the vertical, is called first row, second row, the 3rd row etc.
Preferred: described elasticity screen cloth is provided with radially stationary rope, the dead bolt at transverse elasticity fin two ends and the linkage being respectively equipped with on tapered end with radially stationary rope is connected.
Same row's the middle part of respectively saving vertical pillar is connected with elastic steel sheet, and same row's the two ends of respectively saving vertical pillar are connected with transverse elasticity fin respectively; The two joint vertical pillars that every a slice elastic steel sheet is at least adjacent with same row are connected, and same row arbitrary adjacent two saves vertical pillars and is all connected with a slice elastic steel sheet at least simultaneously.
When snap close locking forms cylindrical shape elasticity screen cloth, as overlapping in the vertical pillar appearance of both sides, a side vertical pillar of lap is not connected with transverse elasticity fin.
Interval between dead bolt in described snap close and tapered end on transverse elasticity fin is less than a hole girth, and during snap close locking, the diameter of cylindrical shape elasticity screen cloth is than more than the little 0.2m of stake bore dia; After separating opening lock catch and launching, under stationary rope radially fixing, the equal diameters in the diameter of the cylindrical shape elasticity screen cloth after expansion and stake hole.
On described screen cloth, seam is with latticed rope bar, cloth cover is connected by making with screen cloth, cloth cover diameter equals the diameter of vertical pillar, vertical pillar is the hollow, cylindrical tube that metal or alloy is made, elastic steel sheet and transverse elasticity fin are for to be made as the strip structure of steel ruler shape by spring steel, and fixed bar is connected with final section vertical pillar.
The invention has the beneficial effects as follows:
(1) reliability is high, with elasticity screen cloth, can in solution cavity mouth distributed area, form shutoff curtain, effectively prevents that the concrete of perfusion runs off from solution cavity mouth, guarantees pile quality;
(2) easy construction, cost is low, and the used time is few.The elasticity screen cloth that the present invention adopts is simple in structure, easy to assembly, lightweight;
(3) be not subject to the restriction of groundwater table, be applicable to solution cavity mouth and be positioned at the situation below underground water.
Accompanying drawing explanation
Fig. 1 is the constructing structure schematic diagram of the embodiment of the present invention 1.
Fig. 2 is constructing structure A-A schematic diagram of the embodiment of the present invention 1.
Fig. 3 is constructing structure B-B schematic diagram of the embodiment of the present invention 1.
Fig. 4 be the embodiment of the present invention 1 be constructed into pilework schematic diagram.
Fig. 5 is elasticity screen cloth structural representation of the present invention.
The specific embodiment
The present invention is by the following examples can the invention will be further described, yet scope of the present invention is not limited to following embodiment.
Embodiment 1: curtain formula solution cavity cast-in-place pile construction method comprises following step:
As shown in Fig. 1-4, carry out the curtain formula solution cavity filling pile construction of bored pile, first by designing requirement, determine stake Kong Kongwei, adopt drilling construction method to carry out pore-forming, stake hole is isodiametric cylindrical, aperture 1.5m, hole depth 20m, the maximum axial height of determining the solution cavity mouth 1 that stake hole discloses in pore forming process is 3.0m, and edge, hole is 10m to the minimum range in aperture.
By snap close 8, in aperture, elasticity screen cloth 2 is assembled into the cylinder that is less than a bore dia, by fixed bar 9, elasticity screen cloth 2 cylindraceous is placed into solution cavity mouth 1 position, elasticity screen cloth 2 is provided with radially stationary rope, separates after opening lock catch, and elasticity screen cloth 2 launches under the effect of self elastic force, under stationary rope radially fixing, the equal diameters in the diameter of cylindrical shape elasticity screen cloth 2 and stake hole, and be close to formation curtain with hole wall, then transfer reinforcing cage and concrete perfusion pile.
As shown in Figure 5, elasticity screen cloth 2 is to consist of screen cloth 3, cloth cover 4, vertical pillar 5, elastic steel sheet 6, transverse elasticity fin 7 and snap close 8.Wherein screen cloth 3 is strip, and on the higher common fabric cloth of tensile strength, seam makes screen cloth 3 with latticed rope bar, and rope bar plays the effect that strengthens screen cloth intensity.On screen cloth 3, be sewed with the cylindrical cloth cover 4 made from fabric cloth, cloth overlaps the external diameter that 4 diameters equal vertical pillar 5.The running-on of cloth cover 4 forms a row cloth cover for longitudinally running through, screen cloth 3 is transversely provided with the cloth cover that some row are arranged in parallel, longitudinally the spacing between two adjacent cloth covers 4 is 0.3m, each cloth cover 4 long 0.2m, it is 32mm that cloth overlaps the external diameter that 4 diameters equal vertical pillar 5, and laterally the spacing between two adjacent row cloth covers 4 is 0.3 m.The hollow cylindrical tube that vertical pillar 5 is made for the lighter metal or alloy of intensity higher weight, external diameter 32mm, for ease of installing, vertical pillar is divided into some joints, the long 2m of every segmented column, two ends are respectively for the interconnective mouth of pipe and tube head, and longitudinally two adjacent joint vertical pillars 5 adopt and connect the mouth of pipe and be connected tube head connection, and the mouth of pipe is identical with the external diameter of vertical pillar 5 with tube head external diameter.Elastic steel sheet 6 and transverse elasticity fin 7 use elasticity and the good spring steel of rigidity are made, thickness 3mm, width 60mm, length 0.699m(elastic steel sheet 6 splayeds of elastic steel sheet 6 are arranged, monolithic elastic steel sheet 6 is 70 ° (angle that forms splay two elastic steel sheets 6 is 40 °) with the angle of vertical pillar 5, every elastic steel sheet 6 is connected with three vertical pillars, vertical pillar spacing is that 0.6m(is 0.3m+0.3m=0.6m), each remaining 30nm of two ends, the length of elastic steel sheet 6 is 0.6m/sin70o+2 * 0.03m=0.699m, if adopt in other embodiments unidirectional incline direction, arrange elastic steel sheet 6, the length of elastic steel sheet 6 can calculate by similar geometrical relationship), the length 3.514m of transverse elasticity fin 7, the length of elasticity fin 7 is that diameter is than the girth of the circle of the little 0.4m of stake bore dia, each separately adds the termination of 30mm two, the length of elasticity fin 7 is 3.14 * (1.5-0.4)+2 * 0.03=3.514m, according to the spacing between each row of cloth cover, at elastic steel sheet 6 and the prefabricated screw hole being connected with vertical pillar 5 on elasticity fin 7.Snap close 8 consists of dead bolt, tapered end and latch, and dead bolt is located at one end of transverse elasticity fin 7, and tapered end is located at apart from transverse elasticity fin 7 other ends, and dead bolt and tapered end close up by latch, and each latch is synchronously connected with a control rope.When transverse elasticity fin 7 bends to circle, corresponding dead bolt and tapered end close up, and inserting latch can be fixing by snap close 8, and latch is conical, and cone angle is not more than 11 °.On latch, be connected with rope, each latch is synchronously connected with a control rope, pulls rope and takes out latch, can separate opening lock catch.
Construct with program by the following method:
A. set up support
In aperture, stake hole, set up for hanging the support of elasticity screen cloth 2, support with hook between with pulley, be connected, by pulley, controlling hook moves up and down, hook into a distance in aperture, hole than the large 1.0m of length of a joint vertical pillar 5, conveniently elasticity screen cloth 2 is put into a hole, the present embodiment arranges and links up with the amplitude moving up and down is 3.0m.
B. according to stake bore dia (size is 1.5m) and cloth, overlap the width that 4 adjacent each column pitch are determined the screen cloth 3 in elasticity screen cloth 2, width is than stake hole Zhou Chang great 0.39m, get the integral multiple (being that screen cloth 3 both sides are cloth cover 4) of cloth cover 4 each column pitch (size is 0.3m), so, the width of design flexibility screen cloth 2 is 5.1m, i.e. 3.14 * 1.5+0.39=5.1m; The solution cavity mouth size disclosing according to stake hole is determined the height of the screen cloth 3 in elasticity screen cloth 2, the large 3m of axial maximum height of the solution cavity mouth 1 that aspect ratio stake hole discloses, get the integral multiple of single-unit vertical pillar 5 length (size is 2m), so the height of design flexibility screen cloth 2 is 6.0m, be 3+3=6.0m, the joint number of vertical pillar 5 is 3.The columns of determining vertical pillar 5 according to the width of screen cloth 3 is 5.1/0.3+1=18, and what obtain vertical pillar 5 adds up to 18 * 3=54 root, according to vertical pillar 5 joint number in the vertical, determine the consumption of transverse elasticity fin 7 and elastic steel sheet 6, each row's the two ends of respectively saving vertical pillar 5 are connected with transverse elasticity fin 7 respectively, the quantity that is elasticity of demand fin 7 is that longitudinal joint number of vertical pillar 5 is multiplied by 2 i.e. 3 * 2=6 roots, elastic steel sheet 6 is splayed arrangement, every a slice elastic steel sheet 6 three piece vertical pillars 5 adjacent with same row are connected, same row is adjacent, and three vertical pillars 5 are connected with a slice elastic steel sheet 6 simultaneously, total columns that quantity of monolateral elasticity of demand steel disc 6 equals vertical pillar 5 deducts the 2 longitudinal joint numbers that are multiplied by again vertical pillar 5, because be bilateral, be multiplied by again 2 sums that just obtain required elastic steel sheet 6, i.e. (18-2) * 3 * 2=96 sheet.The dead bolt of snap close 8 and tapered end are arranged on respectively to the two ends on transverse elasticity fin 7, and the spacing of tapered end and dead bolt equals the girth that diameter is the circle of 1.1m, and, by pinning snap close 8, elasticity fin 7 can bend to the circle that diameter is 1.1m.
C., elasticity screen cloth is installed.As shown in Figure 5, make screen cloth 3 tile and come on more smooth ground, 18 vertical pillars 5 are overlapped to 4 through cloth, form first row vertical pillar 5, at the 0.5m place, two ends apart from each vertical pillar 5, with screw, each fixes a transverse elasticity fin 7 respectively, except last 6 vertical pillars 5, all the other vertical pillars 5 of first row vertical pillar 5 are all connected with elasticity fin 7.When being installed, elasticity screen cloth can also adopt in other embodiments: first row vertical pillar 5 is all connected with elasticity fin 7; Then, at the middle part of vertical pillar 5, be screwed 32 elastic steel sheets 6, every two elastic steel sheets 6 are splayed arrangement with the angle of 40o, first is only had 2 elasticity steel discs 6 to be attached thereto with last root vertical pillar 5, second respectively has four elastic steel sheets 6 to be attached thereto with second from the bottom vertical pillar 5, and all the other vertical pillars 5 all have 6 elastic steel sheets 6 to be attached thereto.Finally, elastic steel sheet 6, transverse elasticity fin 7 are curled into cylindric together with screen cloth 3, insert snap close latch fixing with snap close 8, again the dead bolt at transverse elasticity fin 7 two ends and linkage on tapered end are connected with stationary rope radially, radially the length of stationary rope equals the poor of a hole girth and cylindrical shape elasticity screen cloth girth, i.e. 3.14 * (1.5-1.1)=1.256m.Now drum diameter is 1.1m, than the little 0.4m of stake bore dia, is convenient to like this put into a hole, and in cylindrical shape elasticity screen cloth 2, has 6 vertical pillars 5 to overlap.Since then, first segment elasticity screen cloth 2 installs, and is hung on a hanger, puts in a hole, and the upper end of vertical pillar 5 is positioned near aperture.
The width of the elasticity screen cloth 2 that the present embodiment needs is 5.1m, is highly 6.0m, needs three joint vertical pillars 5, proceeds the installation of second section vertical pillar 5 for this reason.First segment cylindrical shape elasticity screen cloth 2 be hung on hook and upper end be positioned under the state in aperture, first 6 overlapping vertical pillars 5 of second section being penetrated to each row cloth cover 4 is connected with the upper end of the corresponding vertical pillar 5 of first segment, and the elastic steel sheet 6 on these 6 vertical pillars 5 is installed, 12 vertical pillars 5 of residue are installed afterwards, press again the annexation of first row vertical pillar 5, transverse elasticity fin 7 is installed, snap close on sealed transverse elasticity fin 7 of while, radially stationary rope is installed, and then remaining elastic steel sheet 6 is installed, after installation, by hook, second section cylindrical shape elasticity screen cloth 2 is slowly put into a hole, until the upper end of vertical pillar 5 is positioned at aperture, the 3rd joint vertical pillar 5 is installed according to this, since then, whole screen cloth 3 is all assembled into cylindrical shape elasticity screen cloth 2, assemble complete, and hang on an aperture, hole.
Shown in Fig. 2-4, fixed bar 9 is that fixed bar 9 is hollow round tube for mounted elasticity screen cloth 2 being placed into the member of solution cavity mouth 1, by some joints, formed, every joint 1-3m, there are the mouth of pipe and tube head in two ends, can interconnect, and also can be connected with vertical pillar 5.The edge of the stake hole solution cavity mouth 1 of the present embodiment is 10m to the minimum range in aperture, the axial maximum caliber of solution cavity mouth 1 is 3m, the low side of cylindrical shape elasticity screen cloth 2 to be placed into than solution cavity mouth 1 bottom along the position of dark 1.5m also, the length that needs fixed bar 9 is that the edge of solution cavity mouth 1 adds that to the minimum range in aperture the length that the axial maximum caliber of solution cavity mouth 1 adds that the lower end of cylindrical shape elasticity screen cloth 2 exceeds solution cavity mouth 1 extreme lower position deducts vertical pillar 5 overall lengths, be 10+3+1.5-6=8.5m, the Design of length of every joint fixed bar 9 is 2m, needs 5 joint fixed bars 9.On the 3rd joint (final section) cylindrical shape elasticity screen cloth 2, diagonal angle selects 2 vertical pillars 5 to be connected with fixed bar 9, so need altogether 10 fixed bars 9.The external diameter of the present embodiment design fixed bar 9 equals the external diameter 32mm of vertical pillar 5, and the screw thread of the mouth of pipe and tube head is identical with vertical pillar 5.First 2 fixed bars 9 of first segment are connected with 2 vertical pillars 5 at diagonal angle respectively, cylindrical shape elasticity screen cloth is down put, then all the other fixed bars 9 are connected with last joint fixed bar 9 respectively, and constantly elasticity screen cloth 2 is down put in a hole, until the bottom of cylindrical shape elasticity screen cloth 2 surpasses solution cavity mouth 1 extreme lower position 1.5m, now, fixed bar 9 is 1.5m in aperture residue length.On last two fixed bars 9, some have been set in advance for fixing hole, in aperture, stake hole fixedly fixed bar 9 so that the position of stationary cylinder shape elasticity screen cloth 2, then upwards pull the control rope on snap close 8 latches, extract latch, separate opening lock catch 8, cylindrical shape elasticity screen cloth 2 launches under the effect of self elastic force, under stationary rope radially fixing, the equal diameters in the diameter of cylindrical shape elasticity screen cloth 2 and stake hole, and be close to hole wall, solution cavity mouth 1 and up and down the whole hole wall of each 1.5m scope form curtain.So far, the installation of elasticity screen cloth 2 and steady job complete.
(3) transfer reinforcing cage and concrete perfusion.On ground, by designing requirement colligation, welded reinforcing cage, it is 45 °-60 ° coniform that the bottom colligation of reinforcing cage becomes cone angle, there is no various steel bar ends and is exposed at reinforcing cage outer wall surrounding outward.As shown in Figure 4, the reinforcing cage that colligation is good is vertically put into a hole, until at the bottom of hole.Finally, concrete perfusion is to design elevation from bottom to top, and pile completes.
Claims (10)
1. a curtain formula solution cavity cast-in-place pile construction method, it is characterized in that: by designing requirement, determine stake hole site pore-forming, determine solution cavity mouth distributed area, a stake hole pass for solution cavity mouth distributing position is cylindrical, determine solution cavity mouth in stake hole the maximum caliber on axially and the minimum range in Dao Zhuankong aperture, solution cavity mouth edge; Wait excavating after projected depth, at aperture, stake hole set of locations dress elasticity screen cloth, the snap close being provided with by means of elasticity screen cloth, first elasticity screen cloth is mounted to diameter than the little cylinder of stake bore dia, again cylindrical shape elastic network(s) cloth is placed into solution cavity mouth position, position on stationary cylinder shape elasticity screen cloth is axial in stake hole, separate opening lock catch, elasticity screen cloth launches and is close on the stake hole hole wall of solution cavity mouth position under the effect of self elastic force, on the hole wall of the stake hole of solution cavity mouth position, form curtain, then pour into pile.
2. a kind of curtain formula solution cavity cast-in-place pile construction method according to claim 1, it is characterized in that: described elasticity screen cloth is rectangle, large 1-6 m of maximum caliber on rectangular aspect ratio solution cavity mouth is axial in stake hole, rectangular width is greater than the radially maximum arc length on the hole wall of stake hole, solution cavity mouth place, and after solution opening lock catch, elasticity screen cloth can be close on solution cavity mouth stake hole hole wall around and form curtain.
3. a kind of curtain formula solution cavity cast-in-place pile construction method according to claim 2, it is characterized in that: described rectangular width, than more than stake hole Zhou Chang great 0.2 m of solution cavity mouth position, is curled into diameter than the cylinder more than little 0.2m of stake bore dia by snap close.
4. a kind of curtain formula solution cavity cast-in-place pile construction method according to claim 3, it is characterized in that: elasticity screen cloth is provided with radially stationary rope, separate after opening lock catch, elasticity screen cloth launches under the effect of self elastic force, under stationary rope radially fixing, the equal diameters in the diameter of the cylindrical shape elasticity screen cloth after expansion and stake hole.
5. a curtain formula solution cavity castinplace pile elasticity screen cloth, described elasticity screen cloth (2) comprises screen cloth (3), vertical pillar (5), elastic steel sheet (6), transverse elasticity fin (7), it is characterized in that, described screen cloth (3) the same face is longitudinally provided with several cloth covers (4), the running-on of cloth cover (4) forms a row cloth cover for longitudinally running through, screen cloth (3) is transversely provided with some row cloth covers, vertical pillar (5) is connected with screen cloth (3) through the cloth cover of longitudinal arrangement, the middle part of the vertical pillar in same row (5) is connected with elastic steel sheet (6), the two ends of the vertical pillar in same row (5) are connected with respectively transverse elasticity fin (7), the two ends of transverse elasticity fin (7) are respectively equipped with dead bolt and tapered end, the snap close (8) that dead bolt and tapered end form, while being longitudinally provided with two joints or the two above vertical pillars of joint (5), longitudinally two adjacent joint vertical pillars (5) are connected.
6. a kind of curtain formula solution cavity castinplace pile elasticity screen cloth according to claim 5, it is characterized in that: described elasticity screen cloth (2) is provided with radially stationary rope the dead bolt and the linkage being respectively equipped with on tapered end with radially stationary rope is connected at transverse elasticity fin (7) two ends.
7. according to a kind of curtain formula solution cavity castinplace pile elasticity screen cloth described in claim 5 or 6, the middle part of respectively saving vertical pillar (5) that it is characterized in that same row is connected with elastic steel sheet (6), and same row's the two ends of respectively saving vertical pillar (5) are connected with transverse elasticity fin (7) respectively; The two joint vertical pillars (5) that every a slice elastic steel sheet (6) is at least adjacent with same row are connected, and same row arbitrary adjacent two saves vertical pillars (5) and is all connected with a slice elastic steel sheet (6) at least simultaneously.
8. according to a kind of curtain formula solution cavity castinplace pile elasticity screen cloth described in claim 5 or 6, it is characterized in that: when snap close (8) locking forms cylindrical shape elasticity screen cloth (2), as the vertical pillar of both sides (5) occurs overlappingly, a side vertical pillar (5) of lap is not connected with transverse elasticity fin (7).
9. a kind of curtain formula solution cavity castinplace pile elasticity screen cloth according to claim 6, it is characterized in that: the interval between the dead bolt in described snap close (8) and tapered end on transverse elasticity fin (7) is less than a hole girth, during snap close (8) locking, the diameter of cylindrical shape elasticity screen cloth (2) is than more than the little 0.2m of stake bore dia; Separate after opening lock catch, under stationary rope radially fixing, the equal diameters in the diameter of the cylindrical shape elasticity screen cloth after expansion and stake hole.
10. a kind of curtain formula solution cavity castinplace pile elasticity screen cloth according to claim 9, it is characterized in that the upper seam of described screen cloth (3) is with latticed rope bar, cloth cover (4) is connected by making with screen cloth (3), cloth cover (4) diameter equals the diameter of vertical pillar (5), vertical pillar (5) is hollow, cylindrical tube, elastic steel sheet (6) and transverse elasticity fin (7) are strip structure, and fixed bar (9) is connected with final section vertical pillar (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210381752.8A CN102852140B (en) | 2012-10-10 | 2012-10-10 | Curtain type cave filling pile construction method and elastic mesh cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210381752.8A CN102852140B (en) | 2012-10-10 | 2012-10-10 | Curtain type cave filling pile construction method and elastic mesh cloth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102852140A CN102852140A (en) | 2013-01-02 |
| CN102852140B true CN102852140B (en) | 2014-12-03 |
Family
ID=47399083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210381752.8A Expired - Fee Related CN102852140B (en) | 2012-10-10 | 2012-10-10 | Curtain type cave filling pile construction method and elastic mesh cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102852140B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122632A (en) * | 2013-02-06 | 2013-05-29 | 中冶沈勘工程技术有限公司 | Construction method for drilling hole and casting pile in plastic flow stratum or karst cave stratum |
| CN105926658B (en) * | 2016-05-10 | 2019-02-05 | 中国科学院武汉岩土力学研究所 | The bellows note of large volume karst pile foundation construction fills fill method and structure |
| CN111058451A (en) * | 2019-12-06 | 2020-04-24 | 广西建工集团第三建筑工程有限责任公司 | Pile foundation gunny bag slurry wrapping, water plugging, hole filling and wall building method |
| CN112962585B (en) * | 2021-01-22 | 2022-10-18 | 中交四航局第六工程有限公司 | Curtain method retaining wall cast-in-place pile construction method |
| CN114232615A (en) * | 2021-12-10 | 2022-03-25 | 中国一冶集团有限公司 | Cast-in-place pile steel casing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080048107A (en) * | 2006-11-28 | 2008-06-02 | (주)리치이엔씨 | Filling method by blasting and groutting |
| CN101634142A (en) * | 2009-08-13 | 2010-01-27 | 广东省基础工程公司 | Construction method of filling pretreatment of multilayer-steel sleeve karst cave |
| CN201407051Y (en) * | 2009-04-01 | 2010-02-17 | 中铁二院工程集团有限责任公司 | Karst formation pile hole wall protection structure |
| CN101691751A (en) * | 2009-08-31 | 2010-04-07 | 中建三局第三建设工程有限责任公司 | Construction method for making ultra-long artificial excavating pile penetrate cave and ultra-long pile penetrating cave |
| CN102400460A (en) * | 2011-11-30 | 2012-04-04 | 昆明捷程桩工有限责任公司 | Construction method for preventing pile diameter of concrete pouring pile from being varied |
| CN202809600U (en) * | 2012-10-10 | 2013-03-20 | 东华理工大学 | Elastic mesh cloth for heavy curtain type karst cave cast-in-place pile construction |
-
2012
- 2012-10-10 CN CN201210381752.8A patent/CN102852140B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080048107A (en) * | 2006-11-28 | 2008-06-02 | (주)리치이엔씨 | Filling method by blasting and groutting |
| CN201407051Y (en) * | 2009-04-01 | 2010-02-17 | 中铁二院工程集团有限责任公司 | Karst formation pile hole wall protection structure |
| CN101634142A (en) * | 2009-08-13 | 2010-01-27 | 广东省基础工程公司 | Construction method of filling pretreatment of multilayer-steel sleeve karst cave |
| CN101691751A (en) * | 2009-08-31 | 2010-04-07 | 中建三局第三建设工程有限责任公司 | Construction method for making ultra-long artificial excavating pile penetrate cave and ultra-long pile penetrating cave |
| CN102400460A (en) * | 2011-11-30 | 2012-04-04 | 昆明捷程桩工有限责任公司 | Construction method for preventing pile diameter of concrete pouring pile from being varied |
| CN202809600U (en) * | 2012-10-10 | 2013-03-20 | 东华理工大学 | Elastic mesh cloth for heavy curtain type karst cave cast-in-place pile construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102852140A (en) | 2013-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102852140B (en) | Curtain type cave filling pile construction method and elastic mesh cloth | |
| CN202809600U (en) | Elastic mesh cloth for heavy curtain type karst cave cast-in-place pile construction | |
| CN102777182B (en) | Rapid end extracting method of large mining height working face | |
| CN206941608U (en) | A kind of diaphram wall foundation pit supporting construction | |
| CN205742224U (en) | Deep foundation pit supporting construction structure based on campshed Yu anchor cable | |
| CN103032080A (en) | Support method of weak and broken surrounding rock tunnel | |
| CN204825881U (en) | A deep steel sheet net dado section of thick bamboo suitable for soft soil area bored concrete pile of driling | |
| CN110847195A (en) | Construction method for stable treatment of side and upward slope of large-block-diameter loose rock pile body opening | |
| CN105863683B (en) | Large cross-section tunnel indulges ring beam and pays protection structure in advance | |
| CN203855970U (en) | Assembly type foundation pit supporting double-row hollow pile structure | |
| CN102330436A (en) | Composite retaining structure and composite retaining method for half geotechnical layer ultradeep round spiral flow tank | |
| CN205776241U (en) | A kind of truss-like Double-row Piles Support system | |
| CN104727322B (en) | One is utilized steel-pipe pile fixing anchor bar and callable device and construction method | |
| CN206769200U (en) | First wear formula post stretching vertical prestressing cast-in-place concrete rod structure | |
| CN206769199U (en) | After wear formula post stretching vertical prestressing cast-in-place concrete rod structure | |
| CN208605185U (en) | Tunnel portal support device | |
| CN216664766U (en) | Assembled parapet that cornices | |
| CN207193959U (en) | A kind of filling pile cage of reinforcement carries fixing device | |
| CN207633795U (en) | A kind of foundation pit suspension lane device | |
| CN207863464U (en) | A kind of new take-off seam aluminum alloy pattern plate | |
| CN206971379U (en) | Precast beam and column connected node | |
| CN102094419A (en) | Method for forming drilled pile in foundation with silty sand layer | |
| CN212248256U (en) | Beam type connecting structure of front wall and rear pile combined support | |
| CN211714046U (en) | Anti-floating supporting device for foundation slab | |
| CN212248255U (en) | Plate-type connecting structure for double-row supporting of front wall rear piles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20151010 |
|
| EXPY | Termination of patent right or utility model |