CN1056897C - Pile with side support and pile-sinking method - Google Patents
Pile with side support and pile-sinking method Download PDFInfo
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- CN1056897C CN1056897C CN 94101663 CN94101663A CN1056897C CN 1056897 C CN1056897 C CN 1056897C CN 94101663 CN94101663 CN 94101663 CN 94101663 A CN94101663 A CN 94101663A CN 1056897 C CN1056897 C CN 1056897C
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- bar frame
- piling bar
- pile
- wing plate
- hole
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Abstract
The present invention relates to a pile with a side support, and also relates to a construction method of the pile. The pile with a side support which is characterized in that one or some short steel piles which are similar to the section of a pile body are additionally arranged at any part of the pile body of a reinforced concrete pile or a steel pile, wherein a side support plate and dynamite are hidden in the short piles. When the pile is sunk to a preset position, a power supply of a firing conducting wire, which extends outside the top of the pile is connected, and the side support plate is pushed outside the pile body by explosive force. A ribbed plate outside the pile supports and limits the pile to form a side support, which enlarges the support area of the pile and greatly enhances the bearing capacity of a pile foundation. When the method is used on a solid pile, the added bearing capacity can be support force or upward pulling force.
Description
The present invention relates to a kind of stake and pile-sinking method, form stake and the pile-sinking method that has Zhi Yi with explosion method behind particularly a kind of pile sinking, be applicable to the pile foundation engineering of various construction works and marine traffic engineering.
In pile foundation engineering, generally use reinforced concrete stake or piling bar.Be that these those skilled in the art make great efforts the problem of seeking to solve always how by enlarging bearing capacity that bearing surface improves pile body.A kind of hollow wing stake that adds is disclosed in " discussion of raising large diameter steel pipe pile capacity " (" marine traffic engineering " 1980 the 9th phase 1-5 pages or leaves).Its formation is to be welded with the wing plate that multi-disc parallels with the pile body axis around the stake point.Purpose is the friction of utilizing between the wing plate and the soil body, increases the bearing capacity of stake.Weak point is only to utilize friction between the wing plate and the soil body to increase the bearing capacity of stake, and effect is not remarkable." bridge pile foundation design " (people's railway publishing house 1976 March the 1st edition) book 251-256 page or leaf has been delivered a kind of explosion expanded piling.Its formation is that the end at stub is provided with the steel flanges dish, to be connected with top prefabricated reinforced concrete pile tube.The other end of stub is by polylith welded steel plate pile point, its weld seam adopts the welding of low intensity welding rod, make it after explosion, form the explosive expansion body along bond open, in the stake point, be placed with explosive, electric cap and power supply lead wire, power supply lead wire is guided on the ground, and purpose is to utilize explosive that the soil at stake point place is exploded hole, a penetration concrete again, form the stake point that enlarges, to improve bearing capacity.Weak point is: this explosion expanded piling can only be applicable to pile tube; Yardstick after the sharp explosive expansion of stake is difficult to concrete definite, it becomes with soil property, dose and piling bar tip welding degree, the bearing capacity that is increased can not be determined in advance, in addition, use this explosion expanded piling need be equipped with concrete batch plant and other power-equipments at the construction field (site), construction trouble, particularly piling at sea be difficulty particularly.No. 761663 patent disclosure of the former Soviet Union a kind of with Zhi Yi the stake, it comprises hollow pile body, be inserted with sleeve pipe in this pile body, corresponding position in this sleeve pipe is provided with powder chamber, destructor, be provided with at the corresponding absolute altitude place of pile body a plurality of can be by above-mentioned explosive along the Zhi Yi of lateral extensometer in the soil body.The defective of its existence is: coyote hole is located at the central area of pile body, has only utilized the radius length of pile body, makes that effective outreach of Zhi Yi is less, increases the DeGrain of bearing capacity; In addition, after Zhi Yi stretches out pile body, only depend on cantilever to support naturally, also make bearing capacity be restricted.
The objective of the invention is to avoid deficiency of the prior art and a kind of novel stake and job practices thereof that has Zhi Yi that form with explosion method be provided.
By the present invention, a kind of stake with Zhi Yi, comprise pile body and a joint or a more piece stub, described stub is the part of whole pile body, is included in the piling bar frame that one or both ends are provided with flange, on the piling bar frame, be provided with medicine containing opening, be provided with coyote hole in the piling bar frame, destructor is with it is characterized in that at a wing plate that stretches out outside the piling bar frame under the explosive force effect, be provided with gusset outside described piling bar frame, coyote hole is provided with near piling bar frame steel plate is inboard.
When the stake of described band Zhi Yi was used for solid pile, this comprised piling bar frame, flange, baffle plate, a wing plate, push pedal, a wing plate positive stop strip, the gusset that has the gusset hole, detonator and the blasting charge, detonator lead-in wire latch, coyote hole mouth baffle plate, barrier support, plug housing and ignition lead.A wing chord position that props up wing plate and push pedal composition is between two-layer baffle plate, position relative with a wing plate front end on the piling bar frame steel plate has cross-drilled hole, the bottom in the bottom of cross-drilled hole and gusset hole is in the same plane, leave a hole as medicine containing opening on the piling bar frame opposite side steel plate, in piling bar frame inboard, the two ends up and down of medicine containing opening are welded with barrier support, coyote hole mouth baffle plate is inserted between the barrier support, draw in the hole that lead passes on the baffle plate, described coyote hole is by push pedal, two-layer up and down baffle plate is formed with the piling bar frame steel plate that coyote hole mouth baffle plate one side is housed, and the detonator and the blasting charge are placed in the coyote hole.
The stake of described band Zhi Yi, its wing plate front end is to be bonded at or with spot welding it to be welded in (to descend) on the steel bracket cross-drilled hole along last with adhesive, the upper surface of positive stop strip is higher than the upper edge in gusset hole, correspondingly have protruding hole above the cross-drilled hole of the pairing piling bar frame of positive stop strip, adjacent two positive stop strips on the wing plate are positioned at the inboard or the outside that is welded on two adjacent gussets on the piling bar frame simultaneously.
When the stake of described band Zhi Yi is used for hollow pile, comprise piling bar frame, flange, a wing plate, a wing plate axle, gusset, detonator and the blasting charge, coyote hole mouth baffle plate, barrier support and ignition wire assembly.The piling bar frame internal diameter of stub is identical substantially with the internal diameter of the hollow pile pile body that is connected, propping up the wing plate axle is fixed on the piling bar frame, the upper end of propping up wing plate is enclosed within on the wing plate axle, can rotate around a wing plate axle, the lower end of propping up wing plate is bonded at or puts and is welded on the piling bar frame, leave medicine containing opening on the piling bar frame, ignite lead by drawing in the piling bar frame.
The stake of described band Zhi Yi can be adopted end dress flange, and to be connected with pile body, the other end is the structure of stake point; Also can adopt two ends all is the structure of flange, be installed in any position of pile body, can one adopt a joint or a more piece stub according to the soil property situation, make a wing plate be positioned at soil property preferably among the soil layer, the number of a wing plate and stretch out the orientation and also can specifically determine according to different needs.In order to guarantee construction safety, select the detonator and the explosive of shockproof waterproof for use, in pile driving process, can not ignite naturally because of vibrations.
By the present invention, above-mentioned pile-sinking method comprises the steps:
1) makes a kind of stub that has a wing plate, described stub is the part of whole pile body, be included in one or both ends and be provided with the piling bar frame of flange, outside the piling bar frame, be provided with gusset, on the piling bar frame, be provided with medicine containing opening, in the piling bar frame, be provided with coyote hole, destructor and a wing plate, ignite lead and in the piling bar frame, draw;
2) described stub is relied on described flange link to each other with other part pile bodies, the ignition lead that will draw in the stub piling bar frame links to each other with the lead of drawing in the pile body simultaneously;
3) according to the soil property situation, pile sinking is to the precalculated position; And
4) ignited by the remote control manipulator, it is outer and by the outer gusset supporting of piling bar frame and spacing to shift the wing plate in the piling bar frame onto the piling bar frame by explosive force.
The present invention compared with prior art has following advantage:
1. because the area of a wing plate is pre-determined, prop up and become plumbness with the stake axle after wing plate is released the piling bar frame, and, spacing and the support by gusset, therefore a bearing capacity that wing plate release back is increased is significant and can preestablishes as required, like this can the appropriate design stake long, save material and cost.
2. a wing plate that is fit to hollow pile can bear supporting force, and a wing plate of suitable solid pile can bear supporting force, also can bear uplift force, and during pile sinking, a wing plate is ensconced in the piling bar frame, therefore can not increase penetrating resistance.
3. construction is simple.Described stub is made in precast yard, can pacify stake to pile body in prefabricated factory or job site, and connected mode can also can be welded with flange.When being sink to projected depth, stake can execute quick-fried finishing, and time saving and energy saving, no matter be or construction at sea on land, all very convenient.
Description of drawings is as follows:
Fig. 1 is used for concrete structure schematic diagram on the solid pile for the present invention;
Fig. 2 is the sectional view along " A-A " line among Fig. 1;
Fig. 3 is that the B of structure shown in Figure 2 is to view;
Fig. 4 is used for concrete structure schematic diagram on the hollow pile for the present invention.
Below in conjunction with accompanying drawing the present invention is described in further detail.
With reference to Fig. 1, Fig. 2 and Fig. 3, the stub that is contained on the solid pile comprises: piling bar frame 7, flange 8, baffle plate 11a, 11b, a wing plate 14, push pedal 12, prop up wing plate positive stop strip 13, have the gusset 15 in gusset hole, the detonator and the blasting charge 1, detonator lead-in wire latch 3, coyote hole mouth baffle plate 2, coyote hole mouth barrier support 4, plug housing 6 and ignition lead 16.A wing chord position that props up wing plate 14 and push pedal 12 compositions is between two-layer baffle plate 11a and 11b, leave steam vent on the baffle plate 11b, position relative with wing plate 14 front end on the piling bar frame 7 has cross-drilled hole, the front end that props up wing plate 14 is positioned at this cross-drilled hole, and the bottom in the gusset hole on the bottom of cross-drilled hole and the gusset 15 is in the same plane.Leave medicine containing opening on the piling bar frame steel plate of coyote hole one side, be welded with barrier support 4 at the two ends up and down of pile frame inboard, medicine containing opening, coyote hole mouth baffle plate 2 is inserted between the barrier support 4.The detonator and the blasting charge 1 are placed on by push pedal 12, two-layer baffle plate 11a, 11b and be equipped with in the coyote hole 5 that the piling bar frame steel plate of coyote hole mouth baffle plate 2 one sides formed up and down, the lead-in wire of the detonator and the blasting charge 1 is connected on the lead-in wire latch 3, plug housing 6 is contained in the coyote hole near on the position of medicine containing opening, lead passes baffle plate 11 by drawing in the piling bar frame, packing is equipped with in other spaces in the coyote hole, in the one or both ends of piling bar frame 7 flange 8 is housed.
In precast yard or job site, flange 8 and other part pile bodies 9 are associated in together, before the pile sinking, open coyote hole mouth baffle plate 2, the detonator and the blasting charge 1 are placed in the coyote hole, lead-in wire latch 3 is inserted on the socket 6, buckle well relieving ring.After other spaces of coyote hole fill packing, shut coyote hole mouth baffle plate 2, insert anti-expense nail.During pile sinking,, be stuck in the piling bar frame 7 so fall down the slotted eye that the front end of a wing plate 14 can not held from piling bar frame 7 because a wing plate front end is to be bonded in or to put to be welded on the steel bracket cross-drilled hole (to descend) along last.Between lead-in wire latch 3 and the socket 6 relieving ring is housed, also can throw off automatically, coyote hole mouth baffle plate 2 is close on the barrier support 4 under the pressure effect of extraneous soil.When pile sinking arrives the precalculated position, connect power supply by being in the home remote control manipulator, the blasting charge 1 blast, explosive force acts in the push pedal 12, and push pedal 12 drives a wing plate 14, outwards moves along the gusset hole on the gusset 15, stretches out pile frame and forms Zhi Yi outward.Make a wing plate 14 tilt to block for anti-thrust plate 12 unbalance stress, above a wing plate 14, be welded with positive stop strip 13, the upper surface of positive stop strip 13 exceeds the upper edge in gusset hole, positive stop strip 13 above its pairing pile frame steel plate cross-drilled hole, has protruding hole, so that can stretch out outside the piling bar frame 7 with a wing plate 14 easily.Distance on the wing plate 14 between two lateral surfaces of adjacent two positive stop strips 13 be slightly less than a wing plate 14 to the distance between two medial surfaces of distance between two medial surfaces of two adjacent gussets 15 of welding on the piling bar frame 7 or adjacent two positive stop strips 13 be slightly larger than a wing plate 14 to the distance between two lateral surfaces of two adjacent gussets 15 of welding on the piling bar frame 7, to guarantee that a wing plate 14 successfully stretches out along the gusset hole and limit a wing plate 14 laterally mobile.Since leave on the baffle plate 11b pore can get rid of instant of detonation push pedal 12 with the piling bar frame that leaves cross-drilled hole one side between the gas in space, therefore prop up a wing frame and can successfully move to the precalculated position.
With reference to Fig. 4, when this stub is used on the hollow pile body 21, comprise piling bar frame 20, flange 8, prop up wing plate 22, a wing plate axle 18, gusset 19, the detonator and the blasting charge 1, detonator lead-in wire latch 3, medicine containing opening baffle plate and support (not shown) plug housing 6 thereof and ignition lead 16.When this device is contained in hollow pile on one's body the time, its internal diameter is identical substantially with the internal diameter of the pile body that is connected, and the upper end of a wing plate 22 is enclosed within on the wing plate axle 18, and the lower end of a wing plate is bonded at or puts and is welded on the piling bar frame 20, and the detonator and the blasting charge 1 are contained in the coyote hole.Before the pile sinking, install the detonator and the blasting charge, and latch 3 is inserted on the plug housing 6, buckle well relieving ring, ignition lead in the device 16 and the ignition connecting wire that is embedded on the pile body are connected, pile sinking then, when sinking to the precalculated position, connect the ignition lead power supply that stretches out outside the stake top by the remote control manipulator, 22 times end pads of wing plate are blown and are rotated to the lateral direction of piling bar frame 20 around a wing plate axle 18, and making between a wing plate 22 and the piling bar frame 20 has an opening, continue pile sinking then, lean on the support power of earth to make a wing plate 22 continue upwards to kick up around a wing plate axle 18, corresponding penetrating resistance sharply strengthens, till propping up wing plate 22 and gusset 19 contacts.
Claims (7)
1. stake with Zhi Yi, comprise pile body and a joint or a more piece stub, described stub is the part of whole pile body, be included in one or both ends and be provided with the piling bar frame of flange, on the piling bar frame, be provided with medicine containing opening, in the piling bar frame, be provided with coyote hole, destructor and can it is characterized in that at a wing plate that outside the piling bar frame, stretches out under the explosive force effect, be provided with gusset outside the piling bar frame, coyote hole is provided with near piling bar frame steel plate is inboard.
2. stake according to claim 1, when it is used for solid pile, comprise the piling bar frame, flange, baffle plate, prop up wing plate, push pedal, prop up the wing plate positive stop strip, the gusset that has the gusset hole, the detonator and the blasting charge, detonator lead-in wire latch, coyote hole mouth baffle plate, barrier support, plug housing and ignition lead, it is characterized in that, a wing chord position that props up wing plate (14) and push pedal (12) composition is in two-layer baffle plate (11a), (11b), piling bar frame (7) is gone up with a relative position of wing plate (14) front end and is had a cross-drilled hole, the bottom in the gusset hole on the bottom of cross-drilled hole and the gusset (15) is in the same plane, leave medicine containing opening on the opposite side steel plate of piling bar frame (7), in piling bar frame inboard, the two ends up and down of medicine containing opening are provided with barrier support (4), medicine mouth chamber baffle plate (2) is inserted between the barrier support (4), and draw in the hole that lead passes on the baffle plate (11); Described coyote hole is by push pedal (12), two-layer baffle plate (11) and piling bar frame steel plate that medicine mouth chamber baffle plate (2) one sides are housed are formed up and down, and the detonator and the blasting charge (1) are placed in the coyote hole.
3. stake according to claim 1, it is characterized in that a wing plate front end is to be bonded at or with spot welding it to be welded on the steel bracket cross-drilled hole on the lower edge with adhesive, the upper surface of positive stop strip (13) is higher than the upper edge in gusset hole, cross-drilled hole top at the pairing piling bar frame of positive stop strip (13) (7) has protruding hole, and adjacent two positive stop strips (13) on the wing plate (14) are positioned at the inboard or the outside that is welded on two adjacent gussets on the piling bar frame simultaneously.
4. stake according to claim 1, when being used for hollow pile, comprise the piling bar frame, flange, prop up wing plate, prop up the wing plate axle, gusset, the detonator and the blasting charge, coyote hole mouth baffle plate, barrier support and ignition wire assembly, it is characterized in that, the internal diameter of described piling bar frame (20) is identical substantially with the internal diameter of the hollow pile pile body that is connected, propping up wing plate axle (18) is fixed on the piling bar frame (20), the upper end of propping up wing plate is enclosed within on the wing plate axle (18), can rotate around a wing plate axle, the lower end of propping up wing plate (22) is bonded at or puts and is welded on the piling bar frame (20), the piling bar frame leaves medicine containing opening on (20), ignites lead by drawing in the piling bar frame.
5. stake according to claim 1, the number of a wing plate and stretch out the orientation and specifically determine as required.
6. the job practices of the described stake of a claim 1, its step comprises:
1) makes a kind of stub that has a wing plate, described stub is the part of whole pile body, be included in one or both ends and be provided with the piling bar frame of flange, outside the piling bar frame, be provided with gusset, on the piling bar frame, be provided with medicine containing opening, in the piling bar frame, be provided with coyote hole, destructor and a wing plate, ignite lead and in the piling bar frame, draw;
2) described stub is relied on described flange link to each other with other pile bodies, the ignition lead that will draw in the stub piling bar frame links to each other with the lead of drawing in the pile body simultaneously;
3) according to the soil property situation, pile sinking is to the precalculated position; And
4) ignited by the remote control manipulator, it is outer and by the outer gusset supporting of piling bar frame and spacing to shift the wing plate in the piling bar frame onto the piling bar frame by explosive force.
7. method according to claim 6 is characterized in that, when being used for hollow pile, after ignition, it is perpendicular with the stake axle to a wing plate to continue pile sinking, promptly with till gusset contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94101663 CN1056897C (en) | 1994-02-07 | 1994-02-07 | Pile with side support and pile-sinking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94101663 CN1056897C (en) | 1994-02-07 | 1994-02-07 | Pile with side support and pile-sinking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1106489A CN1106489A (en) | 1995-08-09 |
| CN1056897C true CN1056897C (en) | 2000-09-27 |
Family
ID=5030295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94101663 Expired - Fee Related CN1056897C (en) | 1994-02-07 | 1994-02-07 | Pile with side support and pile-sinking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1056897C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100408759C (en) * | 2005-08-04 | 2008-08-06 | 张文巨 | Longitudinally inserted horizontally wedged construction pile and its construction method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487231B (en) * | 2018-03-09 | 2020-04-03 | 河海大学 | Snowflake type steel sheet pile and processing method thereof |
-
1994
- 1994-02-07 CN CN 94101663 patent/CN1056897C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100408759C (en) * | 2005-08-04 | 2008-08-06 | 张文巨 | Longitudinally inserted horizontally wedged construction pile and its construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1106489A (en) | 1995-08-09 |
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