CN1145434A - Structural method for inserting reinforcing bar into hardening layer and pouring appts. and reinforcing bar beam member - Google Patents
Structural method for inserting reinforcing bar into hardening layer and pouring appts. and reinforcing bar beam member Download PDFInfo
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- CN1145434A CN1145434A CN 95116976 CN95116976A CN1145434A CN 1145434 A CN1145434 A CN 1145434A CN 95116976 CN95116976 CN 95116976 CN 95116976 A CN95116976 A CN 95116976A CN 1145434 A CN1145434 A CN 1145434A
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Abstract
A method for inserting more expended reinforcing bars into hardened foundation features that more reinforcing bars along with annular pouring tube are inserted into foundation to be hardened and the pouring tube is returned in rotary mode while foundation-hardening material is sprayed into foundation from high-pressure nozzles arranged on side wall at front end of pouring tube to constructe hardened foundation layer around the reinforcing bars. Said reinforcing bars are apart from each other by central wedge but clustered by a frame to form a cage.
Description
The present invention relates to constructive method and hardened material injection device and reinforcing bar beam member that reinforcing bar inserts hardened layer.It is for the support on the ground of firm soft foundation, structure building, stratum and tunnel lining layer etc., the hardening of ground material is injected into underground, simultaneously many reinforcing bars is arranged on its centre.
In the past, constituting heartwood insertion hardened layer is to adopt following method, promptly, ascending pipe is inserted in the ground, on one side hardening of ground materials such as cement emulsion are gone out from the nozzle high-pressure injection that is arranged on the ascending pipe front end side wall,, constitute the implanted layer of columned hardening of ground material Yi Bian its revolution is retreated, before the hardened material sclerosis that is injected into, insert reinforcing bar is set.
Under the occasion that does not adopt high-pressure injection to inject, adopt following method in addition, promptly, the insertion of porous ascending pipe is set in the ground, hardening of ground material low pressure is injected, it is oozed out from areole, constitute hardened material and soak into layer, porous ascending pipe former state is used as heartwood with burying underground.
On the other hand, even the heartwood that is inserted in the hardened material implanted layer is single reinforcing bar, and under many occasions that are inserted into, also be what zero scatteredly is inserted into not linked togetherly diffusingly, thereby have to adopt the heartwood with the such frame construction of reinforcing cage frame inserted and be set in the hole of having excavated in advance, after this hardened materials such as concrete are filled into method in the hole.
Because it all is with respect to ground, vertically constitute as prerequisite that former heartwood is inserted any in the constructive method of hardened layer, therefore when excavating the tunnel, it is impossible being inserted into heartwood in the hardened material layer that the along continuous straight runs of tunnel lining layer hardened layer constitutes.
When the distance that constitutes the zone is longer, even vertical direction is extremely difficult but inject the back at the hardening of ground material, insert reinforcing bar; When imbedding the low pressure method for implanting of porous ascending pipe, the problem that need construct large-scale fortification aspect being provided with in the insertion of ascending pipe is arranged also.
Especially be impossible constituting injection hardened material layer with superhigh pressure jetting when, insert the such frame shape heartwood of reinforcing cage frame at one stroke with former method.
The present invention makes in order to solve the above problems, and its objective is provides a kind of method and apparatus that reinforcing bar inserts the hardened material layer that constitutes.The reinforcing bar of the present invention of making in order to achieve the above object inserts the constructive method of hardened layer with nozzle is set on the leading section sidewall, middle shaft part is made the ring-type ascending pipe that connects empty tube shape, surround under the state of many reinforcing bars, spray and inject the hardening of ground material, many reinforcing bars are being clasped by the ring-type ascending pipe, insert ground with ascending pipe, the degree of depth that achieves the goal place, after reinforcing bar freed, the ascending pipe revolution is retreated, spray on one side with injecting reinforcing bar is left over down, set central part ground by chock being knocked in many reinforcing bars that are left behind is with its propelling, reinforcing bar is expanded open, constitute the hardening of ground layer that many reinforcing bars is configured to the insertion of enlarged state ground.
And on each the bar sidewall surfaces that is inserted into many reinforcing bars in the ground, carve and establish the strip groove, on the other hand, utilize the interstitial structure of many boundling reinforcing bars again, make and inject hardened material and nip and they are combined closely in the strip groove of rebar surface, and when spraying hardened material, absorb the overpressure that forms because of superhigh pressure jetting and with its discharge by surperficial strip groove.
At many reinforcing bars that are inserted into the ring-type ascending pipe, degree of depth place is freed achieving the goal.And when the ascending pipe revolution is retreated, expose gradually in the surperficial strip groove formation gap that is located at quarter on the rebar surface sidewall, with 100 kilograms every square centimeter-400 kilograms high pressure, absorb, and as required the gap of some superfluous things by surperficial strip groove is discharged to the outside from the superfluous ground internal pressure of the ground of the hardening of ground material production of the nozzle ejection of ring-type ascending pipe.
Be inserted into many reinforcing bars in the unhardened hardened material layer, by the propelling of chock in its set centre, the straight of chock that is originally being bound each the bar reinforcing bar that inserts opened toward like that magnitude range disperseing to expand, be configured in dispersedly in the hardened material layer with predetermined gap.
The boundling member that is provided with the boundling framework at its back that front end is made wedge portion is used as chock with connecting again, when chock being knocked in propelling, make the intercalation of boundling member on reinforcing bar, propelling along with chock, making many reinforcing bars of being opened by expansion disperse to expand under the restraint condition that is subjected to the expansion of boundling formation opens, the reinforcing cage frame ground that formation is being connected by the boundling member is forced to expand in the hardening of ground material layer and opens, and the unhardened hardened material that injects with the densification state is burying to fall on the ground each bar reinforcing bar is fixed on and expand on the open position by forcing to expand gap that open form becomes.
The chock that is pushed into is retained in and advances on the position, as reinforcing bar the expansion beginning portion heartwood and make its fixed-site, make it play the stress reinforced effect that makes hardened material with the convergent force of reinforcing bar with echoing mutually.Under occasion with framework boundling member, also from insert reinforcing bar foremost, sky opens certain intervals, segmentation advances and leaves over a plurality of boundling members, make every a determining deviation be provided with the boundling framework reinforcing cage frame shape heartwood be arranged in the hardened material layer.
Fig. 1 is the expression embodiments of the invention, and it is that many reinforcing bars of having freed are left over down in expression, the situation schematic diagram of in ground, constructing that the ring-type ascending pipe is retreated,
Fig. 2 after expression retreats end to the ring-type ascending pipe, enters the construction situation schematic diagram in ground that many reinforcing bars of leaving over is expanded the preface that goes into operation,
Fig. 3 is the amplification oblique drawing of the major part of many boundling reinforcing bar front ends of expression,
Fig. 4 is the amplification oblique drawing of the reinforcing bar beam member of the expression embodiment of the invention,
Fig. 5 is guide's inserting part of expression each bar reinforcing bar and boundling member and inserts logical portion and insert many reinforcing bars leading under the state and the amplification oblique drawing of boundling member accordingly,
To be expression leave over down, make the ring-type ascending pipe of the situation that the ring-type ascending pipe retreats and the front end major part oblique view of reinforcing bar to many reinforcing bars of having freed to Fig. 6,
Fig. 7 is a skiagraph of representing many reinforcing bars are clasped the ring-type ascending pipe front end major part on the axis part,
Fig. 8 is the expression embodiments of the invention, the overall schematic of its construction situation that to be expression carry out with the reinforcing bar of horizontal direction insertion hardened layer constituent apparatus,
Fig. 9 be expression the reinforcing bar that forms by the embodiment of the invention insert hardened layer side by side adjacency, constitute the overall schematic of the construction situation of works such as the support on stratum or tunnel course gradually.
Below, with reference to accompanying drawing embodiments of the invention are described.The 1st, the ring-type ascending pipe is provided with excavating bur 12 at front end, and is provided with on axis part 11 and can clasps the mechanism that clasps that inserts reinforcing bar 2 with freeing, and the nozzle 3 of high-pressure injection hardening of ground material is being set on the leading section sidewall.
Inserting reinforcing bar 2 is many reinforcing bars 21,21 with boundling materials 22 such as wires ... at regular intervals in addition suitably boundling, be wound in easy to handle, in the end of many set if coniform depression is set, just can insert chock easily.In addition, can be as required, on the surperficial sidewall of each bar reinforcing bar 21, carve and establish strip groove 23, according to circumstances different, can be set as helical form or cross-helicity shape to the strip groove 23 quarters.
Insertion reinforcing bar 2 is made into by ring-type ascending pipe 1 to be clasped on axis part 11, require difference, supporting according to purpose by operating mechanism 4 towards horizontal direction or vertical direction, make actions such as it can advance, retreats, revolution, be inserted in the ground with ascending pipe 1, arrival purpose degree of depth place frees it and is retained in the ground, and the ascending pipe revolution is retreated.
Formation that reinforcing bar inserts hardened layer A be earlier with operating mechanism 4 as above saidly suitably the ring-type ascending pipe 1 that can clasp of boundling, the insertion reinforcing bar 2 that bundled to processing easily with freeing turn round towards ground G and advance, from the lubricated water of lubricated water squit hole 13 ejections, the excavating bur 12 with ring-type ascending pipe leading section advances insertion with excavating simultaneously as required.
Reach the prescribed depth place, will insert reinforcing bar 2 and free, meanwhile, on one side by high-pressure delivery to the hardening of ground material of 31 li of the hardened material streams of ring-type ascending pipe 1, go out from nozzle 3 high-pressure injections that are arranged on the leading section sidewall; 1 revolution of ring-type ascending pipe is retreated, injected hardening of ground material formation high-pressure spray ground cuts and stirs peripheral soil along the rotary track of ring-type ascending pipe 1, and the hardening of ground material is injected into to insert the jet arrival area B that reinforcing bar 2 is the center.
The insertion reinforcing bar 2 of freeing with ring-type ascending pipe 1 retreat along with the revolution of ring-type ascending pipe 1 and throw off, tied each root reinforcing bar 21,21 ... surperficial sidewall on the strip groove of establishing 23,23 of carving ..., or the set of each root reinforcing bar after the gap expose gradually in hardened material injection zone B, superfluous ground internal pressure in the ground that absorption produces because of high-pressure injection hardening of ground material makes some superfluous things be discharged to the outside along the gap by levitating.
Take out by ring-type ascending pipe 1 is retreated, the insertion reinforcing bar 2 that just constitutes to be retained in the ground is the roughly cylindrical unhardened reinforcing bar insertion hardened layer A at center.
The 5th, the reinforcing bar beam member, on the back part of front end wedge portion 51, coupled ground connection is being provided with the boundling framework 52 of intercalation to the reinforcing bar 21, when unhardened reinforcing bar insertion hardened layer A is configured, the conical shaped depression portion 24 that forms on wedge portion 51 and the set end of inserting reinforcing bar 2 is joined and make its propelling with knocking in, by constituting many reinforcing bars 21,21 that insert reinforcing bar 2 ... near boundling material 22 is cut off, the insertion reinforcing bar is expanded open.
Guide's inserting part 53 is being set on boundling framework 52, just beginning to expand when opening, many reinforcing bars are divided in that locational two-part reinforcing bar is first by this guide's inserting part 53 vis-a-vis, follow each the bar reinforcing bar 21,21 that is expanded out ... by being fixed on the corresponding portion 54 of leading to that inserts on the boundling framework.
At each bar reinforcing bar 21,21 ... with guide's inserting part 53, insert logical portion 54 insert accordingly logical after, reinforcing bar beam member 5 is advanced to the leading section that inserts reinforcing bar 2 with beaing machinery etc. with settling at one go, then, as described above the 2nd reinforcing bar beam member 5 knocked in, be advanced to from the 1st reinforcing bar beam member 5 predetermined distance places; Similarly the 3rd reinforcing bar beam member 5 is advanced to from the 2nd reinforcing bar beam member 5 predetermined distance places again, after carrying out like this, just many reinforcing bars are connected into cage frame shape, it is arranged in the hardened material layer, promptly constitute unhardened reinforcing bar and insert hardened layer A by boundling member 5.
Make the reinforcing bar of such formation insert hardened layer A, just constitute underground structures such as tunnel lining layer or lower margin matrix side by side in abutting connection with established practice setting shape, constitute gradually.
For example, be example with the support and the tunnel lining layer on the stratum that constitutes tunnel etc., as shown in Figure 9, earlier along excavating minute surface, making reinforcing bar insert hardened layer A to constitute gradually in abutting connection with ground side by side, erect the support on stratum and the lining cutting layer R in tunnel.Again the inboard of stratum support and tunnel lining layer segment is cut out, inboard from this, hardened layer A is infused in side by side along on the edge channel, erect supporting mass M, N, then, from the part of excavating at first, toward the place ahead, continue to form desired constructing again with same injection constructive method.
Because the present invention has above-mentioned structure, thereby make the reinforcing bar that is considered to constitute horizontal direction so far insert hardened layer to become possibility, and when inserting reinforcing bar, do not need special operation, can insert the ring-type ascending pipe simultaneously.
By the intercalation of boundling member, many reinforcing bars are connected into cage frame shape again, can obtain the reinforcing bar identical and insert effects such as hardened layer with the concrete structure of filling on the reinforcing bar of setting up.
Claims (6)
1. reinforcing bar inserts the constructive method of hardened layer, it is characterized in that: it is that many reinforcing bars are inserted in the ground with the ring-type ascending pipe around these reinforcing bars, on one side the hardening of ground material is gone out from the nozzle high-pressure injection that is arranged on the ring-type ascending pipe leading section sidewall, the revolution of ring-type ascending pipe is retreated, and constituting with many reinforcing bars is the hardening of ground material implanted layer at center; When this implanted layer is unhardened, chock is knocked in the central part of many reinforcing bars and, many reinforcing bars expansions are opened its propelling.
2. reinforcing bar as claimed in claim 1 inserts the constructive method of hardened layer, it is characterized in that: to reinforcing bar, this reinforcing bar beam framing component is fixed the enlarged state that is expanded many reinforcing bars of opening in ground the intercalation of reinforcing bar beam framing component.
3. reinforcing bar as claimed in claim 1 inserts the constructive method of hardened layer, it is characterized in that: all carve on the sidewall surfaces of many reinforcing bars in the insertion ground and establishing the strip groove.
4. hardening of ground material injection device, it is characterized in that: it is to be provided with nozzle, middle shaft part is made the ring-type ascending pipe that connects empty tube shape with the driving mechanism supporting leading section sidewall that is provided with slew gear and driving and reversing mechanism, and the ring-type ascending pipe is connected with the injection material supply unit.
5. as the reinforcing bar beam member that inserts hardening of ground material implanted layer center, it is characterized in that: it is on the back part of the front end wedge portion of conical or polygonal taper, coupled the boundling framework is set, and boundling frame bundle is that intercalation is on many reinforcing bars that expanded out by the propelling of wedge portion.
6. as claimed in claim 5 as the reinforcing bar beam member that inserts hardening of ground material implanted layer center, it is characterized in that: on the boundling framework, be provided with many reinforcing bars in addition than guide's inserting part of crude separation, the reinforcing bar that each bar that makes in many reinforcing bars of having been opened by expansion is positioned on the boundling framework be set in this back inserting logical portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95116976 CN1145434A (en) | 1995-08-28 | 1995-08-28 | Structural method for inserting reinforcing bar into hardening layer and pouring appts. and reinforcing bar beam member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95116976 CN1145434A (en) | 1995-08-28 | 1995-08-28 | Structural method for inserting reinforcing bar into hardening layer and pouring appts. and reinforcing bar beam member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1145434A true CN1145434A (en) | 1997-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95116976 Pending CN1145434A (en) | 1995-08-28 | 1995-08-28 | Structural method for inserting reinforcing bar into hardening layer and pouring appts. and reinforcing bar beam member |
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| CN (1) | CN1145434A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845955B (en) * | 2009-03-27 | 2012-08-08 | 株式会社Ntsenc | Underground tunnel formation infrastructure establishment method |
-
1995
- 1995-08-28 CN CN 95116976 patent/CN1145434A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845955B (en) * | 2009-03-27 | 2012-08-08 | 株式会社Ntsenc | Underground tunnel formation infrastructure establishment method |
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