CN105019480A - Construction treatment method for building cracks - Google Patents
Construction treatment method for building cracks Download PDFInfo
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- CN105019480A CN105019480A CN201510301505.6A CN201510301505A CN105019480A CN 105019480 A CN105019480 A CN 105019480A CN 201510301505 A CN201510301505 A CN 201510301505A CN 105019480 A CN105019480 A CN 105019480A
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Abstract
The invention discloses a construction treatment method for building cracks. The construction treatment method comprises the steps that on-site crack checking and locating are conducted; a U-shaped groove is dug; rapid hardening micro expanding cement is adopted for sealing the U-shaped groove, and a grouting channel is formed in the bottom of the U-shaped groove; water feeding and gas tests are conducted; preliminary grouting and secondary grouting are conducted; surface dressing is conducted; and an epoxy emulsion mortar waterproof enhancement layer is made, and water is sprayed for wetting and maintenance. The construction treatment method has the beneficial effects that the construction technology is simple and easy to achieve, the construction is fast, the construction period is short, environmental protection and energy saving are achieved, the labor intensity of workers is small, the construction comprehensive cost is low, and the application range is wide.
Description
Technical field
The present invention relates to a kind of Construction of Civil Engineering method, be specifically related to a kind of building cracks process construction method.
Background technology
Along with developing rapidly of national economy, high-rise and super highrise building appears at each city in a large number, these buildings are all general with basement, a general problem is exactly that the phenomenon seeped water in crack often appears in base arrangement, have impact on the globality of structure, reduce the service life of building, have a strong impact on the normal use of building.The water level usually descending outdoor to enclose is all higher, circulating water in soleplate crack is press water, this pressure is along with the alternately continuous cyclically-varying of drought period in flood season, be easy to cause further developing of crack, and most crack is from the bottommost of base plate, crack is very complicated in the evolution of base plate interior, and blocking construction difficulty is very large.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiency that prior art exists, provide that a kind of construction technology is simple, speed of application is fast, the duration is short, environmental protection and energy saving, labor strength is little, construction comprehensive cost is lower, applied widely building cracks process construction method.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of building cracks process construction method, comprises the following steps:
(1) site inspection crack situation, and fracture position marks;
(2) dig U-type groove along crack, the concrete, floating dust and the impurity that loosen in U-type groove are removed;
(3) rapid hardening micro-expansion cement is adopted to carry out sealing groove to U-type groove, adopt during sealing groove first pre-buried pipeline and in sealing groove process progressively the mode of this pipeline of pull formed bottom U-type groove and arrange and the grouting channel is communicated with whole piece crack along crack, while along grouting channel interval, multiple grouting nozzle be communicated with grouting channel is set;
(4) water flowing and gas testing inspection are carried out in the crack after completing sealing groove, guarantee the good seal in whole piece crack, and grouting channel and each grouting nozzle are ventilated smooth and easy, otherwise process of doing over again is until meet above-mentioned requirements;
(5) first time grouting, all grouting nozzles are opened, grouting machine is adopted slurries to be injected a grouting nozzle of most end, crack, when next grouting nozzle emerges pure slurry, stopping is in the milk and is closed the grouting nozzle of this grout, then grouting machine continues slip casting, until more next grouting nozzle emerge pure slurry time, stopping is in the milk and is closed the grouting nozzle of this grout; According to above-mentioned grouting method, residue grouting nozzle is closed one by one, make whole piece crack be full of slurries completely;
(6) slurries of first time grouting are before healing completely in crack place, choose the spaced grouting nozzle of two or more and carry out second time grouting respectively;
(7) after slurries solidify completely, will the grouting nozzle excision of concrete surface be protruded, then with sqtructural adhesive sealing, then carry out surfacing process, check whether and still have Seepage, being then again in the milk as there is Seepage;
(8) along crack brushing epoxy emulsion interfacial agents, then epoxy emulsion mortar formation epoxy emulsion mortar waterproof enhancement layer is smeared;
(9) after the final set of epoxy emulsion mortar waterproof enhancement layer, watering moist curing more than 3 days.
Above-mentioned method, preferably, in described step (2), U-type groove groove depth is 3 ~ 5cm, and slot opening is 4 ~ 6cm, and the two ends of U-type groove extend at least 10cm than the two ends in crack respectively.
Above-mentioned method, preferably, in described step (3), carrying out sealing groove concrete operations to U-type groove is, U-type groove be divided into multistage and carry out sealing groove piecemeal, during first paragraph U-type groove sealing groove, a flexible rubber hose is buried underground along position directly over crack bottom U-type groove, on sebific duct, multiple grouting nozzle is installed at interval, rapid hardening micro-expansion cement is adopted to be fixed by grouting nozzle, rapid hardening micro-expansion cement is adopted to carry out overall sealing groove to this section of U-type groove again, length direction along U-type groove while overall sealing groove pulls sebific duct, to form the grouting channel be communicated with all grouting nozzles with crack bottom U-type groove, after first paragraph U-type groove sealing groove completes, sebific duct is retained cement that one section is arranged in this section of U-type groove, and other parts of this sebific duct are embedded in position directly over the crack bottom second segment U-type groove, repeat above-mentioned sealing groove step and sealing groove is carried out to second segment U-type groove, successively sealing groove is carried out to residue each section of U-type groove according to the method described above, until after final stage U-type groove sealing groove, extract sebific duct out and obturaged in exit, spray water maintenance after cement final set.
Above-mentioned method, preferably, described grouting nozzle comprises aluminum supervisor and is connected to the stainless steel substrates that aluminum is responsible for one end, the two ends of described stainless steel substrates extend to form a bendable folding part respectively to the both sides that aluminum is responsible for, when installing grouting nozzle, aluminum is responsible for connect one end of stainless steel substrates and sebific duct offsets, then the bendable folding part of both sides is bent to offsets with the both sides of sebific duct respectively.
Above-mentioned method, preferably, the length of each section of U-type groove is 50 ~ 70cm; The length of described sebific duct is 1 ~ 1.5m, and diameter is 8mm; Spacing between adjacent grouting nozzle is 20 ~ 50cm.
Above-mentioned method, preferably, in described step (5), when crack width≤3mm, first time grouting adopts the mixed serum of modified epoxy chemical grouting liquid and curing compound, and the mass ratio of modified epoxy chemical grouting liquid and curing compound is 10:1; When crack width > 3mm, first time grouting adopts the mixed serum of polychloroprene latex waterproof paste and modified epoxy chemical grout, and the mass ratio of polychloroprene latex waterproof paste and modified epoxy chemical grout is 5:1; Wherein, modified epoxy chemical grouting liquid is made up of epoxy resin, modification liquid and diethylenetriamine, polychloroprene latex waterproof paste is expected to be mixedly configured into by water, cement, polychloroprene latex waterproof agent A material and polychloroprene latex waterproof agent B, and count in mass ratio, water: cement: polychloroprene latex waterproof agent A expects: polychloroprene latex waterproof agent B material=1:4:2:2.
Above-mentioned method, preferably, in described step (4), the concrete operations that water flowing and gas testing inspection are carried out in the crack after completing sealing groove are, first pour into without setting-out to the grouting nozzle on whole piece crack, whether mutually unimpededly check between each grouting nozzle, if the grouting channel directly over crack is not smooth or there is clogging, then carry out process of doing over again, as no, then closed by the grouting nozzle on this crack, a reserved grouting nozzle passes into sealing effectiveness and the ventilatory conditions in air pressure check whole piece crack.
Above-mentioned method, preferably, in described step (5), the front grouting pressure of rear once grouting pressure ratio is high, and in whole filling process, the scope of grouting pressure is 0.1Mpa ~ 0.4Mpa.
Above-mentioned method, preferably, described epoxy emulsion mortar is mixed by epoxy emulsion, curing compound, cement and standard sand, and by mass percentage, epoxy emulsion: curing compound: cement: standard sand=4:1:7:10.5.
Above-mentioned method, preferably, the thickness of described epoxy emulsion mortar waterproof enhancement layer is more than 10mm.
Compared with prior art, the invention has the advantages that: building cracks process construction method of the present invention adopts low pressure slip casting method at a slow speed, by have low viscosity, high strength, high osmosis, strong adsorptivity new chemical grouting liquid be filled in the gap of whole base plate, slurries are made to spread in concrete crack, solidify, all gaps are filled closely knit completely, make the position producing crack cementing, strengthen, reinforce and form entirety, cross aquaporin in thorough closed bottom, reach the order ground of waterproof, leak stopping and structural strengthening.Its construction technology is simple, and speed of application is fast, and the duration is short, environmental protection and energy saving, and sealing plugging effect gets instant result, and put things right once and for all, and labor strength is little, efficiency of construction is high, and construction comprehensive cost is lower.The repairing antiseepage in the underground structure such as this construction method is applicable to basement, civil air defense constructions and installations, tunnel, subway, culvert, colliery, hole lead to and the leakage area crack such as structure sealing leak stopping reinforcement solutions and above-ground structures, structure concrete beam plate, terrace, exterior wall, pond, washroom, is particularly useful for the crack treatment of basement bottom board.
Accompanying drawing explanation
Fig. 1 is building cracks process construction method process chart of the present invention.
Fig. 2 adopts by the present invention the structural representation of grouting nozzle when bendable folding part does not bend.
The structural representation that Fig. 3 is the present invention when adopting grouting nozzle to bend in bendable folding part.
Fig. 4 is the schematic diagram of trombone slide pore-forming in U-type groove.
Fig. 5 is the schematic diagram of each grouting nozzle distribution situation when first time, grouting was in the milk with first time.
Fig. 6 be second time grouting the configuration flow figure of employing slurries.
Marginal data:
1, aluminum supervisor; 2, stainless steel substrates; 21, bendable folding part.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, building cracks process construction method of the present invention, comprises the following steps:
(1) seam location is looked at scene, site inspection crack situation, and fracture position marks; For the position that water leakage is larger or obvious, after being cleaned out in concrete base layer face, can directly observe the situation determining crack.Some crack is not obvious, and infiltration phenomenon is when cutting in and out, and finds at any time, with tense marker looking in seam process.For the fine infiltration crack that moist concrete face is difficult to realize, can when concrete surface moisture just evaporates, its crack location is determined by crack sealing infiltration vestige, or rises dried evenly thinly spread one deck dry cement powder afterwards, surface occurs that wet trace place is the position in water seepage hole or crack, and some infiltration cracks sealing can be seen white calcium hydroxide body and ooze out.After finding percolating water position accurately, to mark with symbol and at crack location hanging wire.Can determine crack width and the degree of depth further, the width in crack can be measured by steel ruler, can measure for micro-cracks with reading microscope; The degree of depth in crack can detect with finer wire and magnifying glass, complex condition, by boring ultrasound examination, to determine its degree of depth and trend.According to construction needs, also can draw crack expanded view, crack expanded view content comprises: the position in crack, shape, and crack is numbered, the length in crack, width, the infiltration situation etc. in crack.
(2) dig U-type groove along crack, the concrete, floating dust and the impurity that loosen in U-type groove are removed; U-type groove groove depth is 3 ~ 5cm, and slot opening is 4 ~ 6cm, and the two ends of U-type groove extend at least 10cm than the two ends in crack respectively.With wire brush, the concrete loosened in groove is removed, then use high pressure water flushing wash clean, guarantee that work plane and gap are without floating dust, non-loosening particle, free from admixture and spot.At the pre-buried mozzle in serious position that leaks by the water carrying-off in crack for follow-up work provides work plane.
(3) rapid hardening micro-expansion cement is adopted to carry out sealing groove to U-type groove, adopt during sealing groove first pre-buried pipeline and in sealing groove process progressively the mode of this pipeline of pull formed bottom U-type groove and arrange and the grouting channel is communicated with whole piece crack along crack, while along grouting channel interval, multiple grouting nozzle be communicated with grouting channel is set.
(4) water flowing and gas testing inspection are carried out in the crack after completing sealing groove, guarantee the good seal in whole piece crack, and grouting channel and each grouting nozzle are ventilated smooth and easy, are interconnected between each grouting nozzle by grouting channel, otherwise process of doing over again is until meet above-mentioned requirements.
(5) first time grouting, all grouting nozzles are opened, grouting machine is connected with most one, end, crack grouting nozzle and slurries is injected this grouting nozzle, when next grouting nozzle emerges pure slurry, stopping is in the milk and is closed the grouting nozzle of this grout, then grouting machine continues slip casting, until more next grouting nozzle emerge pure slurry time, stopping is in the milk and is closed the grouting nozzle of this grout; According to above-mentioned grouting method, residue grouting nozzle is closed one by one, make whole piece crack be full of slurries completely.
(6) slurries of first time grouting are before healing completely in crack place, choose the spaced grouting nozzle of two or more and carry out second time grouting respectively; The distance of 3 ~ 5 grouting nozzles in interval between adjacent two grouting nozzles of second time grouting.Carry out second time grouting and can ensure that full scale is protected in grouting, make crack be full of slurries completely.First time grouting and second time grouting operation are see Fig. 5, the sealing of hole order of 1. ~ 9. expression first time grouting in Fig. 5, arrow points 9. number grouting nozzle represents that the position of slurry filling machine is laid in first time slip casting, and slurry filling machine is connected with a 9. number grouting nozzle, slurries are injected into whole piece from a 9. number grouting nozzle and split, filled circles represent first time grouting sealing of hole time directly with the grouting nozzle that tiger clamp closes, open circles represent second time be in the milk grouting nozzle.
(7) after slurries solidify completely, the grouting nozzle excision of concrete surface will be protruded, sealing with sqtructural adhesive, the grouting liquid solidified gone out by spill and leakage is cleaned out, and carries out surfacing process, after the 24h that has been in the milk, check reinforcement quality and effect, checking whether and still have Seepage (detect by an unaided eye or all by the dry wet situation of hand touch concrete structural surface, ensure the wet stain of the dry nothing in ground), being then again in the milk as there is Seepage.
(8) along brushing epoxy emulsion interfacial agents in the width range of each 150mm in both sides, crack, then epoxy emulsion mortar formation epoxy emulsion mortar waterproof enhancement layer is smeared.The width of epoxy emulsion mortar waterproof enhancement layer is 300mm, and thickness is 10mm.
(9) after the final set of epoxy emulsion mortar waterproof enhancement layer (epoxy emulsion mortar waterproof enhancement layer surface, in reflective canescence, is generally 8 ~ 12h), watering moist curing more than 3 days.
In above-mentioned steps (3), carrying out sealing groove concrete operations to U-type groove is, U-type groove be divided into multistage and carry out sealing groove piecemeal, the length of each section of U-type groove is 50 ~ 70cm; During first paragraph U-type groove sealing groove, bottom U-type groove, bury a length underground along position directly over crack is 1 ~ 1.5m, and diameter is the flexible rubber hose of 8mm, and on sebific duct, multiple grouting nozzle is installed at interval, and adopting rapid hardening micro-expansion cement to be fixed by grouting nozzle, the spacing between adjacent grouting nozzle is 20 ~ 50cm.(rapid hardening micro-expansion cement is put into water rapid stirring become pasty state by the water/binder ratio of 0.3 to adopt rapid hardening micro-expansion cement to carry out overall sealing groove to this section of U-type groove again, firmly be pressed into floating for U-type groove shutoff in U-type groove with holding into bulk during low-grade fever before initial set), length direction along U-type groove while overall sealing groove pulls sebific duct, thus bottom U-type groove, form the grouting channel be communicated with all grouting nozzles with crack, after first paragraph U-type groove sealing groove completes, sebific duct is retained cement that one section is arranged in this section of U-type groove, and other parts of this sebific duct are embedded in position directly over the crack bottom second segment U-type groove, trombone slide concrete operations are see Fig. 4, in Fig. 4 thick dashed line represent flexible rubber hose pull before position, heavy line represent flexible rubber hose pull after position, 101 represent grouting nozzle, 102 represent U-type groove, 103 represent crack.Repeat above-mentioned sealing groove step and sealing groove is carried out to second segment U-type groove; Carry out sealing groove to residue each section of U-type groove successively according to the method described above, until after final stage U-type groove sealing groove, extract sebific duct out and also obturaged in exit, sealing groove cement requires compacting, surface layer floating; Spray water maintenance after cement final set, curing time is 1 day.
When carrying out sealing groove operation, sebific duct must be arranged by the junction of the edges of two sheets of paper directly over crack, fix with rapid hardening micro-expansion cement, (about 2 ~ 5min) pulls sebific duct along U-type groove length side after this section of U-type groove sealing groove completes and before the initial set of sealing groove cement, ensures that the residue length that sebific duct is stayed in U-type groove cement the last period is not less than 300mm simultaneously.After sealing groove completes, must ensure that the inside in the shaping grouting channel of trombone slide and whole piece crack (or with its intersect through all slits) is all communicated with, and between all grouting nozzles on this crack mutually unimpeded (the shaping grouting channel Main Function of trombone slide is that air when making slip casting in crack is discharged and the even through crack of slurries smoothly).
When installing grouting nozzle, invar tape is first used to measure along fracture strike and demarcate a grouting point position, according to concrete conditions such as fracture strike, width, size, length and the degree of depth, grouting nozzle is set, lay according to the principle of " wide seam, shallow seam are dredged and arranged; fine seam, dark seam gather and put ", all should arrange grouting nozzle in the end in crack infall, wider place, crack and crack through part, the guarantee of every bar seam is no less than two grouting nozzles, and grouting nozzle should be aimed at the crack junction of the edges of two sheets of paper and be arranged on preposition.
As shown in Figures 2 and 3, the grouting nozzle that the present invention adopts comprises aluminum supervisor 1 and is connected to the stainless steel substrates 2 that aluminum is responsible for 1 one end, the both sides that the two ends of described stainless steel substrates 2 are responsible for 1 respectively to aluminum extend to form a bendable folding part 21, the length of bendable folding part 21 is 11mm, when installing grouting nozzle, the one end and the sebific duct that aluminum supervisor 1 are connected stainless steel substrates 2 offset, again the bendable folding part 21 of both sides is bent to and offsets with the both sides of sebific duct respectively, stainless steel substrates 2 after bending is U-shaped and be fastened on sebific duct, perpendicular to the ground after aluminum supervisor 1 is fixing.Aluminum supervisor 1 can adopt tiger clamp stopped pipe mouth and be bent into S shape, thus grouting nozzle is closed, also can be socketed a high-pressure rubber pipe, be convenient to carry out second time grouting, tighten high-pressure rubber pipe when the closed grouting nozzle of needs with iron wire, constructing operation is very convenient.
In above-mentioned steps (5), width according to crack selects different proportioning of starching material with infiltration situation, when crack width≤3mm, first time grouting adopts the mixed serum of modified epoxy chemical grouting liquid and curing compound, the mass ratio of modified epoxy chemical grouting liquid and curing compound is 10:1, in modified epoxy chemical grouting liquid, add curing compound during preparation to stir, when adopting this kind of slurries, the interval time that second time grouting and first time are in the milk is generally 2 ~ 4h.When crack width > 3mm, first time grouting adopts the mixed serum of polychloroprene latex waterproof paste and modified epoxy chemical grout, and the mass ratio of polychloroprene latex waterproof paste and modified epoxy chemical grout is 5:1; Wherein, modified epoxy chemical grouting liquid is made up of epoxy resin, modification liquid and diethylenetriamine, polychloroprene latex waterproof paste is expected to be mixedly configured into by water, cement, polychloroprene latex waterproof agent A material and polychloroprene latex waterproof agent B, and count in mass ratio, water: cement: polychloroprene latex waterproof agent A expects: polychloroprene latex waterproof agent B material=1:4:2:2.After preparation hand mixer stirs in bucket, the screen pack being less than 0.5mm by screen size filters, add the modified epoxy chemical grouting liquid prepared again, finally stir again, the amount of preparation of each grouting liquid, according to each grouting construction estimation slurry amount, grout cures time and enter slurry speed to determine, the setting time of slurries can be regulated by the consumption changing each composition material, and concrete configuration flow chart as shown in Figure 6.When adopting this kind of slurries, the interval time that second time grouting and first time are in the milk is generally 6 ~ 8h.
In above-mentioned steps (4), the concrete operations that water flowing and gas testing inspection are carried out in crack after completing sealing groove are, after sealing groove completes, pour into without setting-out to each grouting nozzle on whole piece crack (or cross one another all slits) immediately, whether mutually unimpededly check between each grouting nozzle, if the grouting channel directly over crack is not smooth or when there is clogging, then carry out process of doing over again, as no, then the grouting nozzle on this crack is closed.After sealing groove cement solidification, the grouting nozzle block of (or all slits that intersection is through mutually) on this crack is closed, put brushing one deck suds along Crack Sealing slot, pass into from one of them grouting nozzle the compressed air that air pressure is 0.2MPa, check sealing effectiveness and the ventilatory conditions of whole piece seam.As its reasons of Abnormality Analysis such as leaking air, hold one's breath, porous is not exchanged information, then process.
In above-mentioned steps (5), rear once grouting pressure is all high than a front grouting pressure, also namely often closes a grouting nozzle, and grouting pressure raises next time, and in whole filling process, the scope of grouting pressure is 0.1Mpa ~ 0.4Mpa.
Above-mentioned epoxy emulsion mortar is mixed by epoxy emulsion, curing compound, cement and standard sand, and epoxy emulsion by mass percentage: curing compound: cement: standard sand=4:1:7:10.5.First mixed emulsion is prepared in proportion, then cement (P.O42.5) is slowly added mixed emulsion, enter to stir with handheld electric stirrer, finally in the emulsion element slurry prepared, add medium sand and stir.
Building cracks process construction method of the present invention possesses following advantage:
1, low pressure slip casting method is at a slow speed adopted, by have low viscosity, high strength, high osmosis, strong adsorptivity new chemical grouting liquid be filled in concrete crack, slurries are made to spread in concrete crack, solidify, all gaps are filled closely knit completely, make the position producing crack cementing, strengthen, reinforce and form entirety, aquaporin excessively in thorough closed bottom, reaches the order ground of waterproofing and leakage-stopping and reinforcing.The method is executed simple for process, and speed of application is fast, and stagnant water effect gets instant result, in actual applications can the reduction of erection time, saves this one-tenth.
2, energy consumption is low, and the construction equipment simple structure adopted, easily operates, easy to use, and constructor is easy to accept, and expertly can operate very soon, can save social resources in a large number, and substantially not impact environment.Various plants used are cheap, and wherein, hand grouting machine purchase price is 980 yuan/platform, grouting nozzle 0.3 yuan/, rubber tube 2 yuan/m.
3, workload is little, and labor strength is low, and efficiency of construction is high, and construction comprehensive cost is lower.As long as raggle operation people just can complete independently, per work day can complete 25 ~ 30m.Grouting with plunger only needs two people just can complete, and every day can complete 200m.Can also in each position parallel construction, to greatest extent reduction of erection time.
4, the method not only serves the effect of impervious leakage-stopping to former coagulation base arrangement, also serves the effect of structural strengthening and repairing.Can not ftracture again in the crack of slip casting again, Never-leakage, puts things right once and for all.And traditional way adopts hydrophobic mode; namely drainage layer is done in base surface; concrete rigid layer is done again on drainage layer; water leads to filtered water level remittance collecting well extracts basement out by water pump again; this way crack can keep leakage states for a long time; concrete basicity is caused to run off; reinforcing bar is made to can not get protecting and corrosion; affect the stability of structure; and within the service life of building under room room need use pumping for water pump always; the cost that draws water is very high, and this way can reduce the headway of basement simultaneously, reduces the usage space of basement.
The present embodiment adopt the performance indications of material as follows:
1, rapid hardening micro-expansion cement: be a kind of aluminium sulfate special cement with microdilatancy performance, there is the features such as setting rate is fast, early strength is high, later strength sustainable growth.Specific targets are as shown in table 1.
Table 1
2, modified epoxy chemical grouting liquid: the modified epoxy reinforcement new chemical grouting agent being a kind of low viscosity high strength, be made up of epoxy resin, modification liquid and diethylenetriamine, under the effect of catalyzer, be separated into island status architecture, there is rubber modified epoxy resin effect.Its stable chemical performance, intensity are high, caking property is strong, viscosity is low, it is little to shrink, concrete castability good, strong to the infiltration capacity of micro-cracks.Specific targets are as shown in table 2.
Table 2
3, polychloroprene latex waterproof agent: be a kind of strong and unyielding property waterproofing materials, be made up of cation neoprene latex and relevant auxiliary agent.Its stable performance is not easily aging, good with various material binding, and in maintenance processes, separate out latex parcel cement bonded sand particle form network, its space filled by latex, increases its compactness, makes moisture and corrosive medium be difficult to infiltrate.This waterproofing materials has good caking property, weatherability, corrosion resistance, water resistance, impermeability, fold resistance and crack resistance.Specific targets are as shown in table 3.
Table 3
4, epoxy emulsion waterproofing mortar: the strong and unyielding property two-component polymer cement group water-proofing material of a kind of response type be made up of epoxy emulsion, curing compound, 525# ordinary portland cement and activated material, inserts etc., have that workability is good, mechanical strength is high, water-fast, acid and alkali-resistance, corrosion resistance strong, good endurance, impermeability is good, compressive strength is high, active and passive adhesion stress is strong, is adapted to negative side waterproofing.Specific targets are as shown in table 4.
Table 4
5, cement: the P.O42.5 cement selecting qualified brand.
6, standard sand: select fine sand, through screening, washing, uniform particles is clean, and mud content is less than 1%.
7, hand grouting machine: complete machine weight 6Kg, pressure limit 0.1 ~ 0.5Mpa.
For ensure construction quality, should note emphatically in work progress following some:
1, the special implement (as steel ruler, table scale etc.) used in construction all needs specified period to test, and to guarantee measurement instrument precision, ensures that continuous data is accurate.All special implements are sent personal management, keeping and are used.
2, in cutter U-type groove process, should ensure that the reinforcing bar of former base arrangement is not damaged.After at U-type groove cutter, concrete completes, with high pressure water washing, guarantee in U-type groove without floating dust, non-loosening particle and without spot.
3, grouting nozzle answers reasonable Arrangement, ensures that the slurries poured in every crack are full.Compacting is answered with during rapid hardening micro-expansion cement sealing groove, and firm with base layer adhesion, ensure the sealing effectiveness of seam.
4, must check whole grouting system before grouting comprehensively, work well at grouting machine, when pipeline is unimpeded, can be in the milk.
5, River Bank Stability is responsible for by special messenger, and to reduce human error, strict batching sequence, weighs with measuring cup, table scale, ensures that raw material ratio is accurate, fully stirs.From low to high, maximum pressure must not more than 0.4Mpa for grouting pressure.
6, the change of grouting pressure and defeated slurry amount will be observed in slip casting process all the time.When pump pressure increases suddenly, grouting amount reduce, mostly be pipe in blocking or U-shaped in grouting duct not smooth.When grout absorption is larger, consider by the thickness of note structure, analyze its trend, the adjustment grout cures time, make it the mode shortening time of setting or adopt intermittent grouting.
7, ensure enough grouting amounts, grouting time, suitable grouting pressure, to realize, slurries fully spread in concrete, filling.For ensureing the permeability of slurries and grouting effect, voltage stabilizing work must be carried out, and with the grouting situation of crack different parts, adjustment grouting pressure.
8, the material of job site should store classifiedly, and be in the milk equipment used, pipeline, container etc. should be indicated respectively.
9, carry out construction note, indicate the position in crack, length, crack width and engineering time in detail.Raw material are proved, the quality certification and relevant survey report carry out collection and classification.
Below in conjunction with several Specific construction example, effect of the present invention is described further:
Example one: certain culture Applied in Business Pedestrian Street G district, road of city engineering, overall floorage 85548m
2, two layers, underground, 17 layers on the ground, basement bears two layers of building area 14700m
2, negative two layers of base plate thickness are 250mm.After major project completes, there is crack in various degree and infiltration phenomenon in the thick base plate of basement 250mm.Through statistics, the total crack length of whole negative two layers of base plate has 6000m, nearly about the 30t of water percolating capacity every day.Through main body unit of each side demonstration, determine to adopt said method to process this soleplate crack.The crack treatment of this project base plate started construction at the beginning of 2014 4 months, in in mid-May, 2014 completion, process after basement bottom board leakproof phenomenon again, concrete structural slab face bone dry without wet stain, reach the requirement of one-level water protection standards, ensure that engineering is delivered for use on time.This basement bottom board crack treatment engineering economy construction cost 139.26 yuan, saves the building cost 119.36 ten thousand yuan that draws water in use.
Example two: certain culture Applied in Business Pedestrian Street D district, road of city engineering, overall floorage 22866m
2, 23 layers on the ground, B1, basement building area is 5350m
2, adopt raft slab foundation, the base plate thickness of main building part is 1m, and the base plate thickness of annex part is 300mm.Find after Practical Completion that crack of partly seeping water has appearred in the base plate that 300mm is thick, through field statistics, 580m is long altogether in crack, determine to adopt the position of said method to this project bottom slab crack to process through the research of main body unit of each side, base plate no longer seeps water after treatment, body structure surface is completely without wet stain, and stagnant water effect is good.The crack treatment of this project base plate started construction at the beginning of 2014 6 months, and in mid-June, 2014 completes, and amounted to and saved construction cost 160,000 yuan, saved the building cost 130,000 yuan that draws water in use.。
Example three: certain culture Applied in Business Pedestrian Street A district, road of city engineering, overall floorage 36750m
2b1, Floor 12 on the ground, adopt raft slab foundation, the plank thickness of main building part is 1m, the base plate thickness of annex part is 300mm, after Practical Completion, found that infiltration phenomenon in crack has appearred in basement bottom board, soleplate crack overall length, through adding up common 1800m, determines to adopt the soleplate crack of said method to this project to process through the research of main body unit of each side, this project base plate leakproof phenomenon more after treatment, ensures the work normal use of engineering.This project went into operation at the beginning of 2014 7 months, in late July, 2014 completion, amounted to and saved construction cost 41.78 ten thousand yuan.Save the building cost 35.81 ten thousand yuan that draws water in use.
Example four: with certain negative two floor basement bottom board fracture unit expense in culture Applied in Business Pedestrian Street G district, road of city, from as follows to adopting the economic comparison of different construction method before construction:
1, the cost of method of the present invention is adopted to be:
along crack location cutter U-shaped (bag is artificial, mechanical): 15 yuan/m;
sealing groove expense (wrapping artificial, material, machinery): 30 yuan/m;
slip casting expense (wrapping artificial, material, machinery): 50 yuan/m;
do enhancement layer (wrapping artificial, material, machinery): 15 yuan/m;
other fees: 10 yuan/m.Add up to 120 yuan/m.Have fracture length 0.41m within the scope of the average every square area of existing base plate, amounting to into every square metre of crack treatment expense is 0.41m × 120 yuan/m=49.2 unit/m
2.Total cost is: 14700m
2× 49.2 yuan/m
2=72.32 ten thousand yuan.This way can not reduce the headway of basement.
If adopt hydrophobic mode, namely do the thick drainage layer of 10cm in base surface, then do 12cm thick C40 concrete rigid layer (joining φ 8@150 double-layer double-direction), its cost is:
do drainage layer (wrapping artificial, material, machinery): 25 yuan/m
2× 14700m
2=36.75 ten thousand yuan;
the reinforcing bar (wrapping artificial, material, machinery) of rigid layer: 46 yuan/m
2× 14700m
2=67.52 ten thousand yuan;
the concrete of rigid layer: 73 yuan/m
2× 14700m
2=107.31 ten thousand yuan.Total cost is:
+
+
=211.58 ten thousand yuan.This construction way can make the headway of basement reduce 220mm.
Above two kinds of construction methods are compared, and first method saves construction cost than second method: 211.58 ten thousand yuan-72.32 ten thousand yuan=139.26 ten thousand yuan; Save the building cost that draws water in use: 30t/d × 365d × 50 year × 2.18 yuan/t=119.36 ten thousand yuan.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is also not only confined to above-described embodiment.For those skilled in the art, do not departing from the improvement that obtains under the technology of the present invention concept thereof and conversion also should be considered as protection scope of the present invention.
Claims (10)
1. a building cracks process construction method, is characterized in that: comprise the following steps:
(1) site inspection crack situation, and fracture position marks;
(2) dig U-type groove along crack, the concrete, floating dust and the impurity that loosen in U-type groove are removed;
(3) rapid hardening micro-expansion cement is adopted to carry out sealing groove to U-type groove, adopt during sealing groove first pre-buried pipeline and in sealing groove process progressively the mode of this pipeline of pull formed bottom U-type groove and arrange and the grouting channel is communicated with whole piece crack along crack, while along grouting channel interval, multiple grouting nozzle be communicated with grouting channel is set;
(4) water flowing and gas testing inspection are carried out in the crack after completing sealing groove, guarantee the good seal in whole piece crack, and grouting channel and each grouting nozzle are ventilated smooth and easy, otherwise process of doing over again is until meet above-mentioned requirements;
(5) first time grouting, all grouting nozzles are opened, grouting machine is adopted slurries to be injected a grouting nozzle of most end, crack, when next grouting nozzle emerges pure slurry, stopping is in the milk and is closed the grouting nozzle of this grout, then grouting machine continues slip casting, until more next grouting nozzle emerge pure slurry time, stopping is in the milk and is closed the grouting nozzle of this grout; According to above-mentioned grouting method, residue grouting nozzle is closed one by one, make whole piece crack be full of slurries completely;
(6) slurries of first time grouting are before healing completely in crack place, choose the spaced grouting nozzle of two or more and carry out second time grouting respectively;
(7) after slurries solidify completely, will the grouting nozzle excision of concrete surface be protruded, then with sqtructural adhesive sealing, then carry out surfacing process, check whether and still have Seepage, being then again in the milk as there is Seepage;
(8) along crack brushing epoxy emulsion interfacial agents, then epoxy emulsion mortar formation epoxy emulsion mortar waterproof enhancement layer is smeared;
(9) after the final set of epoxy emulsion mortar waterproof enhancement layer, watering moist curing more than 3 days.
2. building cracks process construction method according to claim 1, it is characterized in that: in described step (2), U-type groove groove depth is 3 ~ 5cm, and slot opening is 4 ~ 6cm, and the two ends of U-type groove extend at least 10cm than the two ends in crack respectively.
3. building cracks process construction method according to claim 1, it is characterized in that: in described step (3), carrying out sealing groove concrete operations to U-type groove is, U-type groove be divided into multistage and carry out sealing groove piecemeal, during first paragraph U-type groove sealing groove, a flexible rubber hose is buried underground along position directly over crack bottom U-type groove, on sebific duct, multiple grouting nozzle is installed at interval, rapid hardening micro-expansion cement is adopted to be fixed by grouting nozzle, rapid hardening micro-expansion cement is adopted to carry out overall sealing groove to this section of U-type groove again, length direction along U-type groove while overall sealing groove pulls sebific duct, to form the grouting channel be communicated with all grouting nozzles with crack bottom U-type groove, after first paragraph U-type groove sealing groove completes, sebific duct is retained cement that one section is arranged in this section of U-type groove, and other parts of this sebific duct are embedded in position directly over the crack bottom second segment U-type groove, repeat above-mentioned sealing groove step and sealing groove is carried out to second segment U-type groove, successively sealing groove is carried out to residue each section of U-type groove according to the method described above, until after final stage U-type groove sealing groove, extract sebific duct out and obturaged in exit, spray water maintenance after cement final set.
4. building cracks process construction method according to claim 3, it is characterized in that: described grouting nozzle comprises aluminum supervisor and is connected to the stainless steel substrates that aluminum is responsible for one end, the two ends of described stainless steel substrates extend to form a bendable folding part respectively to the both sides that aluminum is responsible for, when installing grouting nozzle, aluminum is responsible for connect one end of stainless steel substrates and sebific duct offsets, then the bendable folding part of both sides is bent to offsets with the both sides of sebific duct respectively.
5. building cracks process construction method according to claim 3, is characterized in that: the length of each section of U-type groove is 50 ~ 70cm; The length of described sebific duct is 1 ~ 1.5m, and diameter is 8mm; Spacing between adjacent grouting nozzle is 20 ~ 50cm.
6. building cracks process construction method according to claim 1, it is characterized in that: in described step (5), when crack width≤3mm, first time grouting adopts the mixed serum of modified epoxy chemical grouting liquid and curing compound, and the mass ratio of modified epoxy chemical grouting liquid and curing compound is 10:1; When crack width > 3mm, first time grouting adopts the mixed serum of polychloroprene latex waterproof paste and modified epoxy chemical grout, and the mass ratio of polychloroprene latex waterproof paste and modified epoxy chemical grout is 5:1; Wherein, modified epoxy chemical grouting liquid is made up of epoxy resin, modification liquid and diethylenetriamine, polychloroprene latex waterproof paste is expected to be mixedly configured into by water, cement, polychloroprene latex waterproof agent A material and polychloroprene latex waterproof agent B, and count in mass ratio, water: cement: polychloroprene latex waterproof agent A expects: polychloroprene latex waterproof agent B material=1:4:2:2.
7. building cracks process construction method according to claim 1, it is characterized in that: in described step (4), the concrete operations that water flowing and gas testing inspection are carried out in crack after completing sealing groove are, first pour into without setting-out to the grouting nozzle on whole piece crack, whether mutually unimpededly check between each grouting nozzle, if the grouting channel directly over crack is not smooth or there is clogging, then carry out process of doing over again, as no, then closed by the grouting nozzle on this crack, a reserved grouting nozzle passes into sealing effectiveness and the ventilatory conditions in air pressure check whole piece crack.
8. building cracks process construction method according to claim 1, is characterized in that: in described step (5), the front grouting pressure of rear once grouting pressure ratio is high, and in whole filling process, the scope of grouting pressure is 0.1Mpa ~ 0.4Mpa.
9. building cracks process construction method according to claim 1, it is characterized in that: described epoxy emulsion mortar is mixed by epoxy emulsion, curing compound, cement and standard sand, and by mass percentage, epoxy emulsion: curing compound: cement: standard sand=4:1:7:10.5.
10. building cracks process construction method according to claim 1, is characterized in that: the thickness of described epoxy emulsion mortar waterproof enhancement layer is more than 10mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464194A (en) * | 2016-01-11 | 2016-04-06 | 许昌水利建筑工程有限公司 | Water proofing and leak repairing construction method for sewage pipe network below underground water level |
| CN105545006A (en) * | 2016-02-22 | 2016-05-04 | 中国水利水电第十一工程局有限公司 | HF-3 double-component polysulfide building sealant crack repairing method |
| CN105604163A (en) * | 2016-01-11 | 2016-05-25 | 许昌水利建筑工程有限公司 | Sewage pipeline internal plugging and external grouting construction method |
| CN106284424A (en) * | 2016-08-12 | 2017-01-04 | 中国电建集团西北勘测设计研究院有限公司 | A kind of grouting method of nontoxic low viscosity high-strength epoxy radicals chemical grouting material |
| CN106337449A (en) * | 2016-09-30 | 2017-01-18 | 绍兴上虞美林建设工程有限公司 | Crack repairing structure for underground engineering and construction method of crack repairing structure |
| CN108842778A (en) * | 2018-08-09 | 2018-11-20 | 中国三峡建设管理有限公司 | Processing method drops in a kind of grouting injection rate suddenly |
| CN108999421A (en) * | 2018-07-03 | 2018-12-14 | 广东碧通防水补强技术应用工程有限公司 | A kind of wall body structure seepage treatment method |
| CN109826238A (en) * | 2019-02-26 | 2019-05-31 | 中铁十二局集团有限公司 | The construction method of ground-connecting-wall wall seam loss zone |
| CN109973117A (en) * | 2019-02-26 | 2019-07-05 | 倪念红 | A kind of structure structure fracture plugging reinforcement means |
| CN110410112A (en) * | 2019-07-26 | 2019-11-05 | 大禹伟业(北京)国际科技有限公司 | A kind of tunnel project seam waterproof construction method |
| CN111305397A (en) * | 2020-02-28 | 2020-06-19 | 盐城笃诚建设有限公司 | Building outer wall waterproof structure and construction method |
| CN112502048A (en) * | 2020-12-08 | 2021-03-16 | 云南省建设投资控股集团有限公司 | Highway T roof beam hogging moment slip casting exhaust observation pipe |
| CN112681790A (en) * | 2020-12-15 | 2021-04-20 | 国家电投集团江西中业兴达电力实业有限公司 | Grouting treatment method for concrete roof cracks |
| CN113107018A (en) * | 2021-05-21 | 2021-07-13 | 北京中煤矿山工程有限公司 | Method for treating leakage water of underground structure crack |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09184206A (en) * | 1995-12-28 | 1997-07-15 | Ohbayashi Corp | Joint inducing crack |
| CN102493494A (en) * | 2011-12-12 | 2012-06-13 | 山东建筑大学 | Method for sealing vertical cracks of basement concrete structures by using microbial grouting |
| CN202788022U (en) * | 2012-08-03 | 2013-03-13 | 中程建工集团有限公司 | Wall crack combined type repair structure |
| CN203096961U (en) * | 2013-03-09 | 2013-07-31 | 熊艳芳 | Repairing constitution for concrete cracks |
| CN104294856A (en) * | 2013-07-15 | 2015-01-21 | 吕孟龙 | Concrete crack leaking stoppage method |
-
2015
- 2015-06-05 CN CN201510301505.6A patent/CN105019480B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09184206A (en) * | 1995-12-28 | 1997-07-15 | Ohbayashi Corp | Joint inducing crack |
| CN102493494A (en) * | 2011-12-12 | 2012-06-13 | 山东建筑大学 | Method for sealing vertical cracks of basement concrete structures by using microbial grouting |
| CN202788022U (en) * | 2012-08-03 | 2013-03-13 | 中程建工集团有限公司 | Wall crack combined type repair structure |
| CN203096961U (en) * | 2013-03-09 | 2013-07-31 | 熊艳芳 | Repairing constitution for concrete cracks |
| CN104294856A (en) * | 2013-07-15 | 2015-01-21 | 吕孟龙 | Concrete crack leaking stoppage method |
Non-Patent Citations (2)
| Title |
|---|
| 卢英杰等: "水电站混凝土裂缝处理新工艺", 《广西水利水电》 * |
| 林荣张等: "水布垭水电站混凝土面板堆石坝面板混凝土裂缝处理技术综述", 《水利水电技术》 * |
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| CN105604163A (en) * | 2016-01-11 | 2016-05-25 | 许昌水利建筑工程有限公司 | Sewage pipeline internal plugging and external grouting construction method |
| CN105464194B (en) * | 2016-01-11 | 2017-08-25 | 许昌水利建筑工程有限公司 | Less than the sewage network water-proof repairing construction method of level of ground water |
| CN105545006A (en) * | 2016-02-22 | 2016-05-04 | 中国水利水电第十一工程局有限公司 | HF-3 double-component polysulfide building sealant crack repairing method |
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| CN106337449A (en) * | 2016-09-30 | 2017-01-18 | 绍兴上虞美林建设工程有限公司 | Crack repairing structure for underground engineering and construction method of crack repairing structure |
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| CN109826238A (en) * | 2019-02-26 | 2019-05-31 | 中铁十二局集团有限公司 | The construction method of ground-connecting-wall wall seam loss zone |
| CN109973117A (en) * | 2019-02-26 | 2019-07-05 | 倪念红 | A kind of structure structure fracture plugging reinforcement means |
| CN110410112A (en) * | 2019-07-26 | 2019-11-05 | 大禹伟业(北京)国际科技有限公司 | A kind of tunnel project seam waterproof construction method |
| CN111305397A (en) * | 2020-02-28 | 2020-06-19 | 盐城笃诚建设有限公司 | Building outer wall waterproof structure and construction method |
| CN111305397B (en) * | 2020-02-28 | 2021-05-18 | 盐城笃诚建设有限公司 | Building outer wall waterproof structure and construction method |
| CN112502048A (en) * | 2020-12-08 | 2021-03-16 | 云南省建设投资控股集团有限公司 | Highway T roof beam hogging moment slip casting exhaust observation pipe |
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| CN113107018A (en) * | 2021-05-21 | 2021-07-13 | 北京中煤矿山工程有限公司 | Method for treating leakage water of underground structure crack |
| CN113107018B (en) * | 2021-05-21 | 2022-09-02 | 北京中煤矿山工程有限公司 | Method for treating leakage water of underground structure crack |
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