CN1807774A - Foundation and pile foundation integrated construction method - Google Patents
Foundation and pile foundation integrated construction method Download PDFInfo
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- CN1807774A CN1807774A CN 200610033425 CN200610033425A CN1807774A CN 1807774 A CN1807774 A CN 1807774A CN 200610033425 CN200610033425 CN 200610033425 CN 200610033425 A CN200610033425 A CN 200610033425A CN 1807774 A CN1807774 A CN 1807774A
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Abstract
The invention relates to a method for integrated constructing the pile, the basic mold and the bottom. It comprises following steps: (1) positioning and constructing the post at the part with basic post construction condition; (2) constructing the post support, earth beam and the bottom earthwork without affecting other constructions of basic post and constructing the left soil at other part; (3) after the measurement, processing the constructions of post support, earth beam and the bottom earth mold and inserting the basic post when other parts have the conditions to support basic post construction; (4) completing the constructions of whole pile, post support, earth beam and bottom earth mold. Compared to present technique, it can improve the construction speed of basic post, and it has more advantage when the foundation ditches, the posts, and the sections are more.
Description
Technical field
Fa Benming relates to the rapid constructing method of pile foundation in a kind of construction work and basic mould, polycrystalline substance one.
Background technology
Lofty tower is from ground, and pile construction and quality are important steps in the construction, thereby pile construction is often undertaken by professional construction troop.Even many large-scale contractors have corresponding qualification, often also can subpackage give corresponding professional contingent after the project contracting, be not that oneself is constructed in person.
------(beat, press) stake soil solidifying, recovery and grout pile concrete (28 days) coagulate the phase---stake detects (earth excavation possibly)---earth excavation, peg position, finish pile foundation examination data---carries out the pile foundation examination to pile driving construction to the delivery receiving acceptance flow process of stake: put a bit line.Earth excavation before checking and accepting often is not that the troop of subpackage stake is responsible for construction, and by the construction of top unit in charge of construction, this has produced the necessary coordination of two families.
In today of responsibility lifelong tenure, this flow process is normal, justifiable.Problem is: 1, to have problem not distinguish be not all right in stake, and that a stake no problem is got again is clear, also is no problem at last.2, stake has problem that size, weight are also arranged, the branch of part and the overall situation.Issue handling is arranged, resolves problem, because whether the stake problems affect overall situations suitable individually? The catcher stake carries out that the construction party of follow-up construction has now in order to protect number one, and often the supposition stake has problem.No problem or problem is arranged this just agree catcher after how handling even handling well by everybody " investigation " back.Now, the building scale of construction increasing, foundation ditch more and more deeply, more big.By traditional construction method, the time can be more and more longer in foundation ditch.This had both increased foundation ditch and insecurity all around and cost, and the underground infiltration pump drainage time is prolonged greatly, to the society and naturally be unfavorable.Flow process time flowing water table roughly: general pile foundation 30～60 days---the preformed pile soil body recovers, fixed 10～14 days; Grout pile concrete 28 days coagulates the phase, and---detection of finishing stake is about 7～10 days---earth excavation, builds the cushion cap stock mould by laying bricks or stones, builds concrete base plate bed course and the fork group bed die needs about 12～20 days---colligation substrate reinforcing bar needs 7～15 days---that substrate concrete is built needs 2～5 days.According to above flowing water, for prefabricated pile owing to only have soil body recovery, consolidation time not to have 28 days solidifying phases of placing stake concrete, but substrate plate will be thickeied, earthwork excavated volume strengthens, support time lengthens, fast what (even can be slow) not of overall engineering time, so the solidifying phase of fixed and concrete all slightly is decided to be 28 days, other is also passed over, and supposes basically identical.Then the flowing water time is approximately: 86～138 days, reasonable time limit for construction was about about 100～120 days.
The operator scheme that breaks traditions, foundation pile construction speed is imperative in the thought of constructing, method innovation, the quickening foundation ditch.
Summary of the invention
Purpose of the present invention is exactly by liberation construction thought, make between different units in charge of construction (or same construction team different workmens) mutually coordinate, cooperate, strive under the condition of rules license with the short time finish a certain zone pile foundation, substrate mould even the basalis reinforcing bar binding of (or all) (have have construction of waterproof layer), concrete is built, and a kind of basis that provides and pile foundation integrated construction method.If for some reason, the structure sheaf construction is incured loss through delay, we also will finish a certain zone pile foundation of (or all), the construction of substrate mould with the short time, support or wait for the construction of structure on it.
A kind of basis of the present invention and pile foundation integrated job practices is characterized in that, may further comprise the steps: (1) carries out pile positioning and construction at the position that possesses the foundation pile construction condition; (2) when not influencing other foundation pile construction, begin to carry out stake bear responsibility platform, grade beam and base plate earthwork construction, also carry out the surplus soil construction at other position in the foundation ditch simultaneously; (3) under the prerequisite of measure confirming, carry out stake bear responsibility platform, grade beam and the construction of base plate topotype, possess under the situation of foundation pile construction condition insertion foundation pile construction in good time when other position simultaneously; (4) according to said sequence until finishing subregion or whole pile foundation, stake bear responsibility platform, grade beam and the construction of base plate topotype.
The present invention is after the basic topotype construction in the step (3), under the prerequisite that does not affect foundation pile examination and finishing pile crown, carry out this position sole plate reinforcement construction, constantly advance then the construction of base arrangement along with the progress of cushion construction, until the construction of whole foundation slab structure is complete.
The present invention suitably improves the concrete label to save the time that it reaches design strength when subregion or whole last batch of foundation pile are finished in construction.
The present invention bears responsibility platform when construction carrying out stake, and each construction procedure of its cubic metre of earth, topotype, reinforcing bar and concrete will in time be inserted at the situation position of satisfying execution conditions, with the compression construction period.
The present invention has compared with prior art accelerated the speed of application of foundation pile in the foundation ditch, and basis of the present invention and pile foundation integrated construction method, is that foundation ditch is more big, stake is more many, subregion is more many, and advantage is just more obvious.
The specific embodiment
The present invention is achieved through the following technical solutions.
Job practices in conjunction with the establishment construction plant: the earthwork in the zone of the good stake of constructing is dug on limit construction stake, limit precipitation, limit, (or all constructions such as) core tube, post cushion cap, grade beam stock mould, base plate bed course of a certain zone are carried out on the limit, note the detection of stake, the base plate reinforcing bar binding is carried out on the limit, (after satisfying the related request condition) limit is carried out zone (or all) bottom board concrete and built.
Below with the contrast of this scheme and old scheme, the many-sides such as the explanation of this scheme and enforcement are carried out integrated interpretation.
The factor that should note when one, this scheme is operated.
1, construction project will have certain scale, will make between each work post, the operation and can mutually intert, can be independent of each other again (perhaps impact little and to total favourable of the overall situation).
2, the person of organizing and directing will have the construction team of tight organization planning, reliable technique scheme and corresponding quality.
3, measuring unwrapping wire can not be wrong, even wrong, also will make its core to project construction (high building or main building) not have influence., under the assumed conditions that may make mistakes, work out from measurement scheme for this reason, possible mistake is decomposed its non-major part zone.But fundamentally to prevent possible measurement unwrapping wire error.
4, Zhuan quality will be accomplished root pile no problem as far as possible, and this is little for preformed pile, manhole stake difficulty, and for dash, drilled pile just had challenge very much.
Two, the novelty of this scheme.
1, construction process changes greatly.
Newly, old construction process front is narrated no longer repetition here.Each operation of old flow process, work post, duration in stage etc. are clear quite clearly, and new technological process is cross one another.The surface sees it is complicated diverse and confused, and essence is in perfect order, heads direct for theme.
2, rationally, legal under the secure prerequisite of safety, quality race against time, shorten the crucial duration.
Foundation pile: " best " is meant topotype, structure reinforcing bars and the concrete in pile foundation and the stake here." minimum standard " is the topotype in pile foundation and the stake.Realize minimum standard, the pursuing ideal boundary.Each engineering has the particularity of oneself, as long as realized earlier the construction of stake and topotype, to the existing strong support of top structure construction.If top structure construction can be caught up with, then be best.
Topotype: be meant the mould layer that guarantees substrate hafnium quality, separates soil layer and structure hafnium here, vertically available brick, the planar section of part can be used the concrete bed course.
The legal once possibility of trying to meet the deadline for the project of following brief analysis.
(1) if foundation ditch is little, dark, the stake is few, the foundation pile integrated construction may be saved at most (earth excavation after the supposition stake, topotype etc. will wait 28 days the solidifying phase of a core concrete just to begin construction) about 28 days, so the construction scale of construction hour has some superiority.
(2) if foundation ditch is big, stake for a long time, we can be in conjunction with the job practices of " establishment construction plant ", the construction plant is created in the stake that is a certain subregion (or a certain zone) of trying to be the first, and (topotype table) concrete bed course is beaten on shoveling limit in limit as required, afterwards to the stake in this zone construction of trying to be the first.In construction, to preferentially construct as the easy stake that influences system, overall situation duration of core tube and so on.Stake in this zone is still not finished, then try to be the first when the position earthwork such as Core Walls Structure can be dug dig cushion cap, the construction of beam form soil and topotype.Carrying out bottom board concrete after colligation baseplate reinforcing bar in the situation about consider detecting etc. is by intermediate acceptance builds.One tight, the fastest flowing water construction of distinguishing.Finish the construction of pile foundation, topotype, base plate hafnium rapidly.The tidemark of Here it is foundation pile integrated construction also is the target that we should pursue.
Suppose that by existing normal construction method foundation ditch is big, finish foundation ditch and its cubic metre of earth generally needs 60～80 days, this decided 60 days.Said that above stake is about about 100～120 days to base arrangement construction reasonable time limit for construction, the total time that this fixed first end muscle colligation is finished is 90 days, then excavation of foundation pit, normal smooth, water first concrete of base plate and should need 150 days.Can then can in about 10～15 days for pile driving construction by " foundation pile one " construction method " establishment construction plant ", now be decided to be 20 days, concentrate strength on robbing about 10～15 days of construction a certain zone stake, now decided 20 days, because the limit construction stake then excavated the substrate earthwork, topotypes such as cushion cap, grade beam, after finishing, existing fixed stake (certain zone) finished topotype in 8 days.The construction topotype is partly finished then can intert and is tied up the base plate muscle, and this decides to finish certain district's base plate muscle need 6 days behind the topotype.Can water concrete from " establishment construction site " to first base plate and need 54 days, if it is also more Zao than foundation pit construction to grab excavation " establishment construction site ", then the duration also can shift to an earlier date.If stake concrete 14 days then satisfy requirement of strength, then the duration can be considered 54 days.If must coagulate the phase by 28 days concretes, then the duration needs 68 days, and the former can shift to an earlier date 96 days than the normal duration, and the latter can shift to an earlier date 82 days.
Find out that from above " foundation pile one " construction is that the advantages such as foundation ditch is more big, stake is more many, subregion is more many are more obvious.
Constructing no matter supporting, the earthwork, pile foundation etc. in the foundation ditch generally can be so not smooth, always some beyond thought thing.So no matter the following possible duration is the normal construction method, or " foundation pile one " construction method, this all is the desirable duration.How translating an ideal into reality, this needs the associated core personnel of relevant unit to plan meticulously, coordinate, cooperate, and tight, tenacious will concentrates efforts on the implementation, and carries out various prediction scheme solution of emergent event.
Such as to preformed pile, dig because of carelessness stake is dug when native disconnected, can be fast?
Again such as the manhole stake, have stake to be still not finished on the passage when punching, drilled pile are wanted earth excavation, construction topotype or passage not smooth, again or the mud of punching, drilled pile do not have local the processing.
Again such as crane do not have good and sound, can't use, how this accelerates again construction progress?
If structure construction team is all also not selected, how fully to realize again the advantage of " foundation pile one " construction method?
So we at first will realize " minimum standard " " stake, topotype one " construction, strive for " best " result " stake, topotype, base arrangement one " construction as possible.
3, the pile driving construction person to stake after cubic metre of earth, topotype constructs to well.
As long as the earthwork behind whose construction stake is fast, good.
Because during the tradition construction, pile driving construction team has constructed, and stake is rear just in time withdraws from the scene, follow-up side is processed by Superstructure Construction team.
If like this, just invisible having been delayed of time.For this reason, have only overall budget side to plan as a whole, this speedy construction method just can be achieved.If giving pile foundation construction team the task of the earthwork and topotype construction, that is just better.Because this is non-conventional construction method, extremely need support and the cooperation of pile foundation construction team, not so accomplish nothing.We can decide the pile construction duration but can't decide the stake every deadline.Do not handle at several piles of certain regional key point, topotype is done in this zone shoveling all is false.The task of the earthwork, topotype construction is broken through tradition, given pile foundation side, just equal they have been bound the battlebus of foundation pile integrated construction.We no longer are the durations that only requires stake, and we can require its certain zone and whole cubic metres of earth, topotype completion date.Allow pile driving construction side control oneself to plan strategies for stake, cubic metre of earth and the interting of ground intermode, coordination, matching problem.Even structure construction side delay into, topotype is good, foundation ditch again need not be worried so, fear rainwater.
So suitable to the manhole stake, digging an advantage of having fallen water can demonstrate fully.Digging Core Walls Structure soil can water this and distinguish last pile just at the adjacency earth excavation before level of ground water be gone up up, builds part Core Walls Structure limit stock mould, even waterbornely also can fall in the hole, draining.Deng last core concrete of next door some strength is arranged, then can break its pile wall, cut a hole the topotype that its concrete put, finished core tube region in place.Post cushion cap, beam topotype are more shallow, in time process, at all anhydrous impact.Cap mold, topotype do not have technology content except that unwrapping wire, dig a workman and perhaps just the ground beam form that does not influence pile driving construction has been constructed in the gap of construction stake.The bottom surface bed course may have, also may not have the impact of water at lowest part, eminence is anhydrous impact at all, even the concrete bed course has been constructed before the stake of construction manhole.
Next is a pile tube, trouble be dash, drilled pile.
The construction scale of construction is more big, like this can be more good, like this can be in conjunction with the method for " establishment construction site ", and concentrate a certain zone of digging, concentrate working sources, this regional pile foundation of constructing rapidly, topotype is finished in the earthwork of digging this zone, but afterwards assembling reinforcement, waters concrete.The rapid construction in a zone, such zone (or), the method that makes the substrate assembling reinforcement, waters the realization foundation pile integrated construction that the construction form flow process of concrete can be fabulous.May dig the also all completions of the earthwork of when soil base, pattern foundation pit supporting structure, stake soil, base soil, all can transport along getting a cubic metre of earth lift, excavator also can be shared.
4, detection and end muscle colligation.To preformed pile, means such as survey, big strain, static load are arranged.The moving peg integrality of surveying.The general plumb joint of this type of stake has some problems, tightens control and should be able to avoid, and is exactly in addition to be bumped brokenly by digging machine or cut up by soil when cutting the earth, and this possibility is very little.As long as static loading test is by stake requirement construction, general no problem.Certain impact is arranged when static load is done in end muscle colligation, and base soil, bed die are constructed and are tied up muscle and can adjust, coordinate according to the test pile situation.Base soil, bed die, end muscle colligation are not finished a piece of writing at one go again, socialize if having time.
Manhole stake, punching, drilled pile are had ultrasound examination, moving survey, these three kinds of main detection means of loosing core, and influential to end muscle is to loose core, because solidifying phase requirement is arranged.To this under the prerequisite that does not affect concrete core intensity, can loose core in advance (carrying out maintenance), can delay construction near the reinforcing bar stake that will loose core.
5, on checking and accepting.
A, can decide according to scale of the project.If bigger, can according to its particular case subregion, section carry out the stake intermediate acceptance, close at last and be the stake final acceptance of construction.
The purpose of checking and accepting is not to check and accept, but to checking and accepting Comprehensive Assessment and the affirmation of object quality.If we can confirm that we just should adjust examination, make it under safety, the guaranteed prerequisite of quality, make the zone (section) of examination, successively time, primary and secondary etc. all can change to adapt to the under the new situation needs of big scale of construction construction.
B, stake core concrete strength will meet the demands.
Concrete is tested assessment of bids standard take 28 days intensity as foundation now.That is to say to build from stake core concrete and just might carry out bottom board concrete after rear 28 days and build.Basic probably soil of conventional construction method and topotype all also are not done or are not finished! This has no impact to them, and our " foundation pile integrated construction method " just has been greatly affected.By this perhaps colligation completion many days of our baseplate reinforcing bar (especially manhole stake) is but incured loss through delay because of 28 days restriction.Meet the demands so only put forward core intensity when checking and accepting hereinto, do not meet the demands and do not put forward 28 days intensity.This is because less than 28 days, and our stake core just meets the demands.Since it is so, we naturally can carry out bottom board concrete and build.
For this reason, we note following some:
B
1, to construct institute's subregion (section) by the stake of a construction unit, the concrete strength of its tail stake also will satisfy requirement of strength when that is to say intermediate acceptance, this will carry out regional pile construction plan, the concrete of tail stake controlled well is built the time.
B
2, adjust concrete strength and meet design requirement.If design stake core is C25, we can improve institute's concrete label that waters as using C35, and less than the intensity level of just expiring C25 in 7 days, this is by increasing input the time of changing, so indivedual tail stake can be imitated this method.
If the stake footpath is bigger, can dwindle the stake footpath, improve stake core concrete label.Following 14 days intensity of normal condition just may reach when the concrete label was high grade, and this is invisible has saved the time.
Design has many haveing no alternative but.C20 is just much of that in fact in the stake that has, and for reasons such as easy constructions, must be designed to C30 etc.More we can work hard in glove with, cooperate in the case.Construction is by design, and base plate is hidden just to carry out the centre identification by the required actual strength of stake.
B
3, as required, stake can be done several groups of test blocks more, the test block of one group of regular examination in 28 days, other group such as can do 14 days, 7 days according to circumstances at the test block.In when testing, can carry out according to 7 days, 14 days intensity of test block.It should be guaranteed generally using Commercial Concrete, the stability of concrete and intensity now.7 days or 14 days normal conditions all meet the demands and want, and concrete strength was answered no problem in 28 days.As poorer slightly, can calculate that also everybody approves.
So when testing in the stake core concrete can 7 days, 14 days intensity be reference frame, pushes away and recognizes a core intensity, and bottom board concrete can be built early.
6, on measuring.
Tradition construction is after the pile driving construction such as top unit in charge of construction is finished, to dig out pile crown, handles well afterwards to carrying out repetition measurement in the stake position, sees that there is zero defect the stake position.
This has the taste of " settling accounts afterwards ", and presumable with it " mending the fold after the sheep is lost " it would be better that " checking erroneous ideas at the outset " do a good job of it Prior Control.
So in may situation, stake, topotype etc. measure unwrapping wire not only the relevant unit of pile driving construction all want the unwrapping wire affirmation, and the unit of superstructure also should get involved in advance, guarantees that unwrapping wire is errorless.But no matter superstructure unit how, pile driving construction is measured unwrapping wire and should be guaranteed accurately.
Everybody may understand that unwrapping wire mistake consequence is extremely serious, and loss that it brings and negative effect be the unit in charge of construction of stake not only, and to top construction, manage, especially the Party A is influential.
So, on measuring, also to break traditions, follow-up construction relevant unit can get involved in advance, should guarantee to measure accurate.Even wrongly also can in time find, eliminate.Even the worst will remedying, the make-up time also can shift to an earlier date greatly.
The specific embodiment
One, distinguish one from the other " foundation pile one " construction scope.
The front says that foundation pile " minimum standard " is meant pile foundation and base is native, topotype.Scope includes only topotype and constructs with the lower part so.
Foundation pile " best " is meant pile foundation, base soil, topotype and bottom structure muscle, concrete.
Here don't you why talk base plate waterproofing? if design has then adds construction, if not then it goes without doing.It is not outer that we think that base arrangement is only the right way from waterproof.Other so-called rigidity still is that flexible water is all unreliable, not durable.
The implementation of two, two kinds " foundation pile one " construction methods.
(1) " minimum standard " is that pile foundation, base are native, topotype is " foundation pile one " construction method of one.
In conjunction with the job practices of " establishment construction plant ", establishment " foundation pile one " in detail, science, rationally, safe, the design of construction organization fast of strong operability.
In construction organization, want rationalization partition, but can concentrate strength on forming fast operating surface, construction process closely in order to pile foundation etc.
But all note: critical process, access way.
No matter Core Walls Structure is needed the earthwork, the topotype of excavation after the density, quantities, pile of stake, and even later reinforced bar engineering and concrete etc. all are that other parts are incomparable.Thereby to concentrate all science, the strength rationally put to good use is rushed to attack this zone, shortens as far as possible each work post in this zone, total duration of operation.
Can not fully use machinery, vehicle, it is an empty verbiage that what is said or talked about is tried to meet the deadline for the project.Being unearthed, entering construction material, do not have vehicle, to big scale of construction construction, will be unpractical in current present situation soon especially.So recovery vehicle passage, protection channel are smoothly, to carry out capping wide etc. of crucial importance.Reduce non power driven vehicle freight volume and haul distance as far as possible, alleviate labor strength.To on the passage or near the stake, the construction of trying to be the first.As influentially considering temporarily to change passage to passage, guaranteeing the unimpeded of passage.To as far as possible according to construction characteristic, the skill of piles with different type, shorten the single pile engineering time as far as possible.On critical process, the first-class crucial stake of passage will be concentrated enough, even superfluous construction manpower rushes to attack, storms, and guarantees duration or reduction of erection time.
To base soil, topotype, not quite can not shift to an earlier date then and shift to an earlier date as long as other construction is had influence or influence, the completion early of just early completing delays.Can be then early early to the core tube, as quick as one can.
But above construction must be discussed before safety and the guaranteed prerequisite of quality, implement.
(2) " best " is that pile foundation, base soil, topotype and bottom structure muscle, concrete are " foundation pile one " construction method of one.
Topotype is basic identical with lower part the same (one).
Because the back has increased reinforcing bar and concrete project, and quantities is increased.Concrete can be by the concrete pump for transmitting, and relevant interspersed difficulty is little, solves easily.
And reinforced bar engineering: reinforcing bar need classify, stack, processes, is transported into the place and carry out colligation.Space, traffic condition, ability are all had bigger requirement, so that the construction organization plan of integrated construction becomes more complicated, more difficult.The scale of construction is big more complicated more.
Reinforcing bar is stacked, processing is a problem, can rationally regulate and control according to the place.Even can with carrying out topotype, wait for that the place of reinforcing bar binding is for stacking, process the place.
Key is transportation.It is not enough that the surface car transportation is only arranged, and also is not too easily.So set up " aerial passage ", it is extremely necessary installing and using crane.In Construction Plan, to preferentially determine to hang the time of model, quantity, position, Installation and Debugging use for this reason.Before push away the crane type of foundation, must the deadline etc.By various means crane can be played a role, strengthen " in the air " advantage.Other is basic identical with normal construction.
Claims (4)
1, a kind of basis and pile foundation integrated job practices is characterized in that, may further comprise the steps: (1) carries out pile positioning and construction at the position that possesses the foundation pile construction condition; (2) when not influencing other foundation pile construction, begin to carry out stake bear responsibility platform, grade beam and base plate earthwork construction, also carry out the surplus soil construction at other position in the foundation ditch simultaneously; (3) under the prerequisite of measure confirming, carry out stake bear responsibility platform, grade beam and the construction of base plate topotype, possess under the situation of foundation pile construction condition insertion foundation pile construction in good time when other position simultaneously; (4) according to said sequence until finishing subregion or whole pile foundation, stake bear responsibility platform, grade beam and the construction of base plate topotype.
2, basis as claimed in claim 1 and pile foundation integrated job practices, it is characterized in that, after the basic topotype construction in the step (3), under the prerequisite that does not influence foundation pile examination and finishing pile crown, carry out this position sole plate reinforcement construction, constantly advance the construction of base arrangement then along with the progress of cushion construction, finish until whole sole plate structure construction.
3, basis as claimed in claim 1 or 2 and pile foundation integrated job practices is characterized in that, suitably improve the concrete label to save the time that it reaches design strength when subregion or whole last batch of foundation pile are finished in construction.
4, basis as claimed in claim 1 or 2 and pile foundation integrated job practices, it is characterized in that, carry out stake and bear responsibility platform when construction, each construction sequence of its cubic metre of earth, topotype, reinforcing bar and concrete will in time be inserted at the situation position of satisfying execution conditions, with the compression construction period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100334258A CN100494584C (en) | 2006-01-26 | 2006-01-26 | Foundation and pile foundation integrated construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100334258A CN100494584C (en) | 2006-01-26 | 2006-01-26 | Foundation and pile foundation integrated construction method |
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| Publication Number | Publication Date |
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| CN1807774A true CN1807774A (en) | 2006-07-26 |
| CN100494584C CN100494584C (en) | 2009-06-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205722B (en) * | 2006-12-18 | 2010-05-19 | 郑鸿彰 | Integral rapid construction method for earthwork, ground mould and pile of manhole pile multi-pile cap |
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2006
- 2006-01-26 CN CNB2006100334258A patent/CN100494584C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205722B (en) * | 2006-12-18 | 2010-05-19 | 郑鸿彰 | Integral rapid construction method for earthwork, ground mould and pile of manhole pile multi-pile cap |
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| CN100494584C (en) | 2009-06-03 |
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Granted publication date: 20090603 Termination date: 20190126 |