CN1614181A - Material of combined sectional steel wire with spring steel wire and process for strengthening concrete construction - Google Patents
Material of combined sectional steel wire with spring steel wire and process for strengthening concrete construction Download PDFInfo
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- CN1614181A CN1614181A CN 200310104599 CN200310104599A CN1614181A CN 1614181 A CN1614181 A CN 1614181A CN 200310104599 CN200310104599 CN 200310104599 CN 200310104599 A CN200310104599 A CN 200310104599A CN 1614181 A CN1614181 A CN 1614181A
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Abstract
A reinforcing material for the concrete building is composed of a shaped stainless steel wire with two circular rings at its both ends, a compressed steel wire spring surrounding said stainless steel wire and with two ends connected with two ends of stainless steel wire respectively, and two rotary rings arranged at both ends of said steel wire and spring for applying tension force to them.
Description
Technical field
The invention relates to repairing, reinforce aging or unsubstantial concrete structure, especially utilize the stainless steel spring steel wire line to reinforce and the powerful tension force of deformed steel silk thread and tightening of rotation clasp, guarantee the compact power of reinforcement material, improve and the filled with mortar agent between adhesion, promote to greatest extent concrete structure stability the concrete construction reinforcement material and utilize the technology of this technology repairing and reinforcing concrete construction.
Background technology
Civil construction because the service quality of various sewage such as meteorological variation and seawater, underground water, rainwater and compound degenerates gradually, produces aging phenomenon with various concrete structures.Therefore, safety inspection should be periodically implemented in concrete construction.Abnormally do not peel off, come off, during phenomenon such as crack, should implement to repair, reinforcement when the result who checks reaches the intensity that building requires or has, could promote building intensity and raising withstand load power.
In the past, the technology of relevant concrete structure repairing and reinforcing was put down in writing for special 1999-024271 number and special 2002-0039389 number at Korea S's publication communique publication number.The technology of these inventions formerly, utilize the withstand load power of the stainless steel and iron silk screen enhancement concrete structure of grill-shaped, the stainless steel and iron silk screen replaces action of steel bars, with the performance that mortar and body are bonded together, plays the effect of reinforcing with the reinforcing of formation final layer.
The reinforcing principle of these prior aries is identical with before concrete establishment principle and tectonic system, just replaces reinforcing bar with this novel reinforced material of stainless steel and iron silk screen and with reinforcing mortar formation thickness.
In order to reinforce the reinforced concrete structure of aging and overburden, use stainless steel cloth to replace reinforcing bar, and be bonded on original concrete structure with mending mortar, improve the tension force moment of bridge pier or sheet material reinforcing bar, thereby reach consolidation effect.
But, utilize the prior art of above-mentioned gauze wire cloth repairing and reinforcing concrete structure, its quality depends on the tense situation of the gauze wire cloth that is bonded in concrete structure, because of following reason can not guarantee the effect that tension force reduces repairing, reinforces:
The first, be generally 33 on-the-spot tension force and fixing with 1 coil silk screen, can not guarantee the compact condition of each twine, not tight, twine can twist, and reduces consolidation effect;
The second, when constructing on the coarse face of the concrete component that damages, gauze wire cloth reduces the effect of reinforcing along with male and fomale(M﹠F) produces gauffer;
The 3rd, gauze wire cloth one volume probably has 30M, when plant produced comes out to on-the-spot the use, blocks by construction length, in order to reduce loss, the essential connection, like this problem that tension force dies down can take place;
The 4th, during construction, the two ends 1-2M of the gauze wire cloth that tensioner touches can not do tensioning, and it is impaired unavoidably tension force to occur on ground after tensioner is removed.
Also have, utilize the prior art of gauze wire cloth repairing and reinforcing concrete structure to have following problem: gauze wire cloth is produced in the many batches of unifications of factory, can not increase and decrease the reinforcing amount by the interval; Building will be provided with shelf in whole intervals when the crack taking place or fragile locating being arranged, and is very uneconomical; Netted steel wire as the building of the sort of crowned section in tunnel, is reinforced relatively difficulty to the bottom because the gravity of self rocks and is sagging; Skew bridge, curve bridge etc. are looked like in non-rectangular reinforcing needs cutting with afterbody, the very trouble, time-consuming that becomes of working.
In addition, the technology that is associated with the repairing and reinforcing technology of concrete structure, as korean patent application communique application number 10-0311054 introduces, on carbon fibre, glass fiber or aramid fibre surfaces such as (ARAMID FIBER), contain trickle silicon or garnet GARNET, promote the withstand load power of concrete construction with such fiber roll reinforcement material.
This repairing and reinforcing technology of utilizing the concrete structure of fiber roll reinforcement material, convenient construction etc. has many good qualities when having contact force light, mortar is good, the burn into reinforcement material greatly, does not take place tensile strength increase and decrease and short distance construction.
But, the technology of the above-mentioned concrete repair reinforcement material that utilizes fiber roll, because of the characteristics of fiber roll material have following variety of problems:
The first, fiber roll is strong for tension effects, but destroys easily when the impact of moment increases the weight of, and is also disconnected with record book in accordion form, can not bring into play the problem of shock-proof effect;
The second, the internal resistance of aramid fibre, carbon fibre can reduce, and when fire took place, fiber roll had the danger of being burnt, and needs heat insulating mortar, fire-resistant work such as mat formation, the problem that operating expenses increases;
The 3rd, the end of fiber roll is inserted on stainless steel iron wire or the carriage, fix with prior art or connecting line, the excellent worry of extracting or cutting off destruction from fixed position is arranged;
The 4th, when working face was irregular, fiber roll was the bending setting, and the problem that reduces consolidation effect is arranged;
The 5th, the fiber roll more than long span or the 15M is in fact difficult when carrying and keeping, bends to a certain degree and can not construct afterwards, and therefore appearance connects construction, bad, the connecting portion problem of slip of tension force reception and registration;
The 6th, the tension strength between fiber roll and mortar is unreliable, and the end face of fiber roll is wide, can not firm bonding force be arranged with concrete.
Summary of the invention
Therefore, the objective of the invention is to solve the problem that above-mentioned prior art occurs, provide about repairing, reinforce aging or unsubstantial concrete structure, especially utilize the reinforcing of stainless steel spring steel wire line and utilize the powerful tension force of deformed steel silk thread and tightening of rotation clasp, guarantee the compact power of reinforcement material, adhesion between raising and the filled with mortar agent, promote the technology of the stability of concrete structure to greatest extent, i.e. concrete structure reinforcement material and the relevant technology of repairing, reinforcing combined of profile wire and spring steel silk thread.
Also have a purpose, can be used in linear or smooth interval, also can be used on the construction of reinforcing face or this curve of crowned section or the flexure plane of non-cuboid, long interval can connect construction.
In order to achieve the above object, concrete structure of the present invention is repaired, reinforced can be by the design length cutting with material, and its first characteristics are: the profile iron silk thread of the ring portion of the circular and sealing in two ends; Coil in the outside of above-mentioned profile iron silk thread, two ends are fixed on the two ends of above-mentioned profile iron silk thread, apply the spring steel silk thread of compressive stress at loading; Two ends are circular ring portion free to rotate, and wherein an end is connected with an end ring portion of above-mentioned profile iron silk thread, and length sides is flexible, and the limit gives the rotation clasp of tension force for above-mentioned profile iron silk thread and spring steel silk thread.
Second characteristic is that the second rotation clasp identical with above-mentioned turn buckle ring structure is connected the other end ring portion of profile iron silk thread.
In order to achieve the above object, the repairing of concrete structure of the present invention, reinforcement process branch following several stages are finished.The neutralisation on concrete structure (C) surface that A) will need to repair, aging part are by scabbling or grinding and remove, and water under high pressure smears surface hardening agent after cleaning; The reinforcement material that will have above-mentioned first characteristics is ready to by construction length; Press the distance at the two ends of above-mentioned reinforcement material, reserve design at interval, in concrete construction (C), get out the hole that bolt will be fixed, again bolt is got on; D) at C) the circular ring portion of the ring portion of profile iron silk thread one end and the other end being rotated clasp on the bolts at two ends that is provided with of stage hangs up, and fixes with packing ring and cap nut, tightens the rotation clasp, profile iron silk thread and spring steel wire are tightened earlier; E) at D) the profile iron silk thread that the stage tightens and each of spring steel silk thread all use fixedly that clasp is fixed on the concrete structure at interval, and will rotate clasp again and tighten, with assurance tension force; F) finish above several stages after, the interval that reinforcement material is set is cleaned with water under high pressure, with new and old interfacial adhesion strengthen all smear with priming paint after, form mortar surface course (M) by the reinforcing final thickness that designs.
The mounting process that the present invention has the immobilization material of second characteristics may further comprise the steps: the A) neutralisation on the concrete structure that will repair (C) surface, aging part are by scabbling or grinding and remove, and water under high pressure smears surface hardening agent after cleaning; B) reinforcement material that will have second characteristics is ready to by construction length; C) by corresponding 2 row of the length of above-mentioned reinforcement material, reserve design at interval, go up the hole that the auger shell bolt will be fixed, again bolt is got in concrete construction (C); D) at C) the circular ring portion at profile iron silk thread two ends is hung up on the bolts at two ends that is provided with of stage, fix with packing ring and cap nut, tighten the rotation clasp at two ends, profile iron silk thread and spring steel wire are tightened earlier; E) at D) the profile iron silk thread tightened of stage and spring steel silk thread each all use fixedly clasp to follow closely on concrete structure at interval, again the rotation clasp at two ends is tightened, with assurance tension force; After finishing above several stages, the interval that reinforcement material is set is cleaned with water under high pressure, strengthened with priming paint after all smearing, form mortar surface course (M) by the reinforcing final thickness that designs with new and old interfacial adhesion.
When carrying out repairing, the reinforcement process of concrete construction according to above characteristics, use banded steel with a plurality of holddown grooves every a segment distance, at above-mentioned D) stage and E) in the construction in stage, above-mentioned reinforcement material directly intersects above-mentioned banded steel every a segment distance, reinforcement material inserts above-mentioned holddown groove and couples together with 10～20 behavior units.
The core of above-mentioned concrete structure, crack generating unit and fragile part are at E) after staged construction finishes, directly intersect with grill-shaped with new reinforcement material and the above-mentioned reinforcement material that sets earlier again, with above-mentioned C)-E) the same setting of method, concentrate after the reinforcing, enter above-mentioned F) stage.
The invention relates to repairing, reinforce aging or unsubstantial concrete structure, especially utilize reinforcing and the powerful tension force of deformed steel silk thread and the tightening of rotation clasp of stainless steel spring steel wire line, guarantee the compact power of reinforcement material, adhesion between raising and the filled with mortar agent, the stability of promoting concrete structure to greatest extent.Following effect is arranged:
The first, increase flexible spring steel wire and encased the profile iron silk thread, the tensile strength of reinforcement material and fatigue strength height;
The second, profile iron silk thread and spring steel silk thread have passed through specially treated, and the bond properties between the filled with mortar agent is good;
The 3rd, the spring steel silk thread can encase wire, can keep basic lines; Utilize the rotation clasp that the reinforcement material of handling through overtension is fixed, can control the bending and the tension force of building effectively;
The 4th, become semiproduct or assemble the reinforcement material that uses at the scene by factory process, need not block in the work progress and can construct continuously;
The 5th, the two ends of ready reinforcement material are hung on the bolt, to tighten with the rotation clasp with cap nut connection back and just finished installation, construction is not worried being destroyed easily, rapidly; Tighten the error that can also reduce construction length with the rotation clasp;
The 6th, according to the difference of repairing, reinforcing purpose, can increase and decrease the amount of reinforcement material, economical and practical.
In sum, utilize the present invention, construction is promptly correct, easily, rapidly, reduce expenses, can also promote the safety of building to greatest extent.So this is a very useful invention.
Description of drawings
Fig. 1: the oblique view of the reinforcement material of example 1
Fig. 2: the oblique view of the reinforcement material of example 2
Fig. 3 a and Fig. 3 b: plane of the present invention and side construction example
Fig. 4: the side view when job practices of the present invention is used in bridge
Fig. 5: the side view when job practices of the present invention is used in arched tunnel
Fig. 6: the side view when job practices of the present invention is used in the sub-shape of dun toro building
Fig. 7 a and Fig. 7 b: applying the example that uses on prestressed bridge or the brandreth bridge
Fig. 8: reinforcement material of the present invention is concentrated the plan view of reinforcing with grid-like being piled up
Fig. 9: parallel the appending of reinforcement material of the present invention is provided with the plan view of concentrating reinforcing
The explanation of the symbol of drawing pith:
10a, 10b: reinforcement material 11: profile iron silk thread 11a: an end ring portion
11b: other end ring portion 11c: peace steel wire clip 12: spring steel silk thread
13: rotation clasp 13a: rotation clasp main body 13b: bolt
13c: annulus rotation in 14: the second clasp 14a: the second rotation clasp main body (6 jiaos)
21: bolt 22: packing ring 23: cap nut
24: connect clamp 24a: holddown groove 25: fixing clasp
26: fixing safety pin C: concrete structure M: mortar surface course
The specific embodiment
The present invention is specifically described with reference to accompanying drawing according to example below.
Fig. 1: the concrete construction reinforcement material of the 1st example of the present invention reaches fixedly uses attaching material.As shown in the figure, the reinforcement material 10a in the example 1 of the present invention is by the profile iron silk thread 11 at the rounded sealing ring portion of both side ends 11a, 11b; Be coiled in the periphery of above-mentioned profile iron silk thread, two ends are fixed on the spring steel silk thread 12 at the two ends of above-mentioned profile iron silk thread 11; Two ends are circular ring portion (13c) free to rotate, and wherein an end is connected with an end ring portion (11b) of above-mentioned profile iron silk thread (11), and length sides is flexible, and the limit gives the rotation clasp (13) of tension force for above-mentioned profile iron silk thread (11) and spring steel silk thread (12).
Above-mentioned composition material is to use corrosion resistant stainless steel wire for well.
The tensile strength of the profile iron silk thread 11 that uses is 16,000～17,000kg/cm
2More than, the tensile strength of spring steel silk thread is 7,000～8,000kg/cm
2More than.
Ring portion 11a, the 11b at profile iron silk thread 11 two ends is the folding respectively part in wire two ends, folding back with the U type fixedly steel wire fix the ring portion of formation round sealed with clip.At this moment, wherein a 11b of end ring portion set up fixedly steel wire with clip 11c before, rotation clasp 13 is installed earlier, deformed wire and rotation clasp are become one.
And, spring steel silk thread 12 is kept the linearity of wire 11 with the elasticity of self, prevents pleating phenomenon when reinforcing face is laid, and improves the correctness of construction, construction back and profile iron silk thread 11 increase tension force for together the cuboid member, guarantee the intensity and the withstand load power of building.
This rotation clasp 13 relative main body 13a opposite spins make 2 lifting bolt 13b relatively move contraction in length or elongation.
In addition, the symbol of not doing explanation is the fixing attaching material of use that uses when laying reinforcement material 10a, the 21st, and bolt, the 22nd, packing ring, the 23rd, cap nut, the 24th, the connection clamp, 24a is a holddown groove, the 25th, fixing clip, the 26th, fixing safety pin.
Fig. 2 is the concrete structure reinforcement material of example 2 of the present invention.
As shown in the figure, the reinforcement material 10b in the example 2 of the present invention possesses all structures of the reinforcement material of foregoing example 1.
But the reinforcement material 10b of example 2 compares with the structure of the reinforcement material 10a of example 1 also possesses following characteristics: the second ring-like clasp 14 identical with above-mentioned annular clip-ring 13 structures is connected on the other end ring portion 11a of above-mentioned profile iron silk thread 11.
When concrete structure needed the interval of high tension very or engineering time long, or the construction error of bolt was used effectively big the time as this reinforcement material 10b that possess 2 rotation clasps 13,14.
Fig. 3 a and Fig. 3 b are the construction state that utilizes the reinforcement material 10a repairing and reinforcing concrete structure of example 1 of the present invention.
The job practices of the repairing and reinforcing technology of concrete structure of the present invention is described with reference to this figure.
At first, the neutralisation on the concrete structure C surface that will repair, aging part by scabble or grind remove after, clean with water under high pressure.
Then, smear concrete surface hardening agent at the concrete surface of putting in order.
Then, after the profile iron silk thread 11 after special processing that factory makes and spring steel silk thread 12 are by the cutting of construction length, fix with the clip 11c of steel wire assembling usefulness in both sides and connect rotation clasp 13, ready for reinforcing material 10a.
On the other hand, reinforcement material 10a also can be made into finished product in factory, or be ready to profile iron silk thread or spring steel wire in factory in advance by the construction length that configures, when the job site needs, and when can assemble with clip 11c and rotation clasp 13 with the steel wire assembling.Can not change technological thought of the present invention because the date is made in change.
On a terminal bolt 21 that sets, the ring portion of an end of the profile iron silk thread 11 of reinforcement material 10a one end is hooked, screw on packing ring and cap nut; On the other end bolt 21 the circular ring portion 13c of the rotation clasp 13 on the other end of reinforcement material 10a is being hooked, screwing on packing ring 22 and cap nut 23.Reinforcement material 10a is consistent with the main body reinforcing bar direction of concrete structure C.
At this moment, plug with the load receiving part of rotation clasp 13 joint faces at a 11a of end ring portion of profile iron silk thread 11 and to be connected clamp 24, reinforcement material 10a is standardized with 10-20 behavior unit, lift installation then.
Connecting clamp 24 is banded steel that the certain distance in interval is concatenated to form reinforcement material holddown groove 24A.This connects clamp 24 not only can the reinforcement by connection material, easy for installation, can also improve reinforcing efficient.
Then, tighten rotation clasp 13, allow profile iron silk thread 11 and the 12 first tensionings of spring steel silk thread once.
Afterwards, profile iron silk thread 11 and spring steel silk thread 12 are set up fixing with clip 25 every a segment distance, are installed on the concrete structure C after fixing with safety pin 26 with fixing again.
Add connection clamp 24 again at the interval that designs between the mounted in front connection clamp 24, be fixed on the load receiving part of reinforcement material 10a.
Again the rotation clasp is tightened when the lax reinforcement material 10a of tension state is arranged when seeing, guaranteed compact state, for whether outstanding the mortar surface course confirm part.
By said process, carry out high-pressure wash in the place that reinforcement material is installed, smear the new and old bonding interface priming paint of enhancing more equably toward the surface.
According to the reinforcing thickness that designs, the alumina resin mortar is sprayed 2-3 time with cast or other surface treatment mode again, form the surface course M of mortar.
After above-mentioned final processing finishes, smear the surface peening completion and use mortar, carry out about 7 days moist curing, avoid sunlight direct projection and vibrations.
The present invention repairs, reinforces aging or impaired concrete structure by the above-mentioned course of work, the housekeeping around carrying out at last, and end is repaired, reinforcement.
Fig. 4: the example that on the plane structure of bridge, uses;
Fig. 5: the example that arched tunnel uses;
Fig. 6: the example that uses on square closed conduit or the underground track;
Fig. 7 a and Fig. 7 b: applying the example that uses on prestressed bridge or the brandreth bridge;
Concrete construction repairing of the present invention, reinforcement process can also carry out side by side with the reinforcement material of other structures except technology described above, or become diversified structure and repair, reinforce.Such as, the center part, crackle generating unit, the fragile part that more need intensity and withstand load power in the concrete construction of repairing than other parts, can use as shown in Figure 8, really connect with the reinforcement material 10a that is provided with earlier and to intersect, after the concentrated reinforcing of grid-like overlapping reinforcement material 10a, form mortar surface course M; Also can be as Fig. 9: between the reinforcement material that formerly sets, add reinforcement material 10a abreast, form the mortar surface course; Two kinds of concentrated reinforcement means of Fig. 8 or Fig. 9 can use simultaneously.
Claims (6)
1, a kind of profile iron silk thread and spring steel silk thread the combination the concrete construction reinforcement material, it is characterized in that comprising: two ends circular and the sealing ring portion (11a) profile iron silk thread (11) (11b); Coil in the outside of above-mentioned profile iron silk thread (11), two ends are fixed on the two ends of above-mentioned profile iron silk thread (11), apply the spring steel silk thread (12) of compressive stress at loading; Two ends are circular ring portion (13c) free to rotate, and wherein an end is connected with an end ring portion (11b) of above-mentioned profile iron silk thread (11), and length sides is flexible, and the limit gives the rotation clasp (13) of tension force for above-mentioned profile iron silk thread (11) and spring steel silk thread (12).
2, the concrete construction reinforcement material of profile iron silk thread according to claim 1 and spring steel silk thread combination is characterized in that the second rotation clasp (14) identical with rotation clasp (13) structure is connected profile iron silk thread other end ring portion (11a).
3, a kind of technology of utilizing the concrete construction of the described concrete construction reinforcement material of claim 1 repairing and reinforcing is characterized in that may further comprise the steps:
The neutralisation on concrete structure (C) surface that A) will need to repair, aging part are by scabbling or grinding and remove, and water under high pressure smears surface hardening agent after cleaning;
B) aforesaid right is required 1 described reinforcement material (10a) be ready to by construction length;
C) by the distance at the two ends of above-mentioned reinforcement material (10a), reserve design at interval, in concrete construction (C), get out the hole that bolt (21) will be fixed, again bolt (21) is fixedly got on;
D) at C) bolts at two ends (21) that is provided with of stage goes up the circular ring portion (13c) that the ring portion of profile iron silk thread (11) one ends (11a) and the other end are rotated clasp (13) and hangs up, fixing with packing ring (22) and cap nut (23), tighten rotation clasp (13), profile iron silk thread (11) and spring steel wire (12) are tightened earlier;
E) at D) the profile iron silk thread (11) that the stage tightens and each of spring steel silk thread (12) all use fixedly that clasp (25) is fixed on the concrete structure at interval, and will rotate clasp again and tighten, with assurance tension force;
F) finish above several stages after, the interval that reinforcement material (10a) is set is cleaned with water under high pressure, with new and old interfacial adhesion strengthen all smear with priming paint after, form mortar surface course (M) by the reinforcing final thickness that designs.
4, a kind of technology of utilizing the concrete construction of the described concrete construction reinforcement material of claim 2 repairing and reinforcing is characterized in that may further comprise the steps:
A) neutralisation on the concrete structure that will repair (C) surface, aging part are by scabbling or grinding and remove, and water under high pressure smears surface hardening agent after cleaning;
B) the described reinforcement material of claim 2 (10b) is ready to by construction length;
C) by corresponding 2 row of the length of above-mentioned reinforcement material (10b), reserve design at interval, go up the hole that auger shell bolt (21) will be fixed, again bolt is got in concrete construction (C);
D) at C) bolts at two ends (21) that is provided with of stage goes up the circular ring portion (13c) at profile iron silk thread (10b) two ends hung up, fixing with packing ring (22) and cap nut (23), tighten rotation clasp (13), (14) at two ends, profile iron silk thread (11) and spring steel wire (12) are tightened earlier;
E) at D) the profile iron silk thread (11) tightened of stage and spring steel silk thread (12) each all use fixedly clasp (25) to follow closely on concrete structure at interval, again rotation clasp (13), (14) at two ends are tightened, with assurance tension force;
F) finish above several stages after, the interval that reinforcement material (10b) is set is cleaned with water under high pressure, strengthen with priming paint after all smearing with new and old interfacial adhesion, by the reinforcing final thickness formation mortar surface course (M) that designs.
5, according to the technology of claim 3 or 4 described repairing and reinforcing concrete constructions, it is characterized in that on a kind of banded steel, every one section connection clamp (24) that is concatenated to form reinforcement material holddown groove (24a), at D) stage and E) in the construction in stage, (10a 10b) directly intersects above-mentioned connection clamp (24) every a segment distance, reinforcement material (10a to above-mentioned reinforcement material, 10b) with 10-20 behavior unit, insert above-mentioned holddown groove (24a) and couple together.
6, according to the technology of claim 3 or 4 described repairing and reinforcing concrete constructions, the centre, crack happening part and the fragile position that it is characterized in that above-mentioned concrete structure (C) are at E) after staged construction finishes, use reinforcement material (10a again, 10b) directly intersect with the above-mentioned reinforcement material that sets earlier (10a, 10b) with grid-like, with above-mentioned C)-E) the same setting of method, concentrate after the reinforcing, enter above-mentioned F) stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101045995A CN100404774C (en) | 2003-11-04 | 2003-11-04 | Material of combined sectional steel wire with spring steel wire and process for strengthening concrete construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101045995A CN100404774C (en) | 2003-11-04 | 2003-11-04 | Material of combined sectional steel wire with spring steel wire and process for strengthening concrete construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1614181A true CN1614181A (en) | 2005-05-11 |
| CN100404774C CN100404774C (en) | 2008-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2003101045995A Expired - Fee Related CN100404774C (en) | 2003-11-04 | 2003-11-04 | Material of combined sectional steel wire with spring steel wire and process for strengthening concrete construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059659A (en) * | 2017-04-16 | 2017-08-18 | 赵洁 | A kind of road and bridge crack bracing means |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1040401A (en) * | 1975-10-23 | 1978-10-17 | Siegmund Schoeller | Method and apparatus for straightening joists |
| JP3321694B2 (en) * | 1995-08-24 | 2002-09-03 | 大成ロテック株式会社 | Repair / reinforcement method of reinforced concrete slab upper surface |
| JP3770772B2 (en) * | 2000-05-25 | 2006-04-26 | 泰稔 山本 | Concrete wall reinforcement structure |
| JP2003129676A (en) * | 2001-10-19 | 2003-05-08 | Maeda Corp | Method of reinforcing concrete frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107059659A (en) * | 2017-04-16 | 2017-08-18 | 赵洁 | A kind of road and bridge crack bracing means |
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| CN100404774C (en) | 2008-07-23 |
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Granted publication date: 20080723 Termination date: 20161104 |