Assembling type to build construction quality is project character is strong assure. Want to build those who satisfy aseismatic requirement, quality requirement, exterior requirement to assemble type construction, not strict on construction management requirement is no good.
Assemble type construction to make high quality, must control design and construction quality strictly, especially below this " 6+1 " link, must reach the designated position!
1/6 deepens a design
01
Master deepen design requirement
(1) the obligate that prefabricated components makes detail drawing should design each major and production, construction integratedly is buried set requirement scale. When there is conflict in discovering detail drawing, answer to point out the place that need improves in time, so that prefabricated components is designed,just can revise in time.
(2) detail drawing of the prefabricated components that check, ensure contented standard asks, ensure accord with installation demand. Construction just should understand assemble type relevant GB, standard, whether does the element such as the content that makes detail drawing in prefabricated components of the examination when deepening a design and deepness satisfy prefabricated components to make, the demand of project amount statistic and installation construction demand.
02
Finish deepen design content
(1) outside the wall decorates facing practice. When wall adornment facing is undertaking deepening designing outside, should notice the composing detail drawing such as material of concrete of face brick, adornment, stone, notice material sort and dosage should satisfy design requirement, at the same time stone material is purchased should satisfy the requirement with aggregate intensity and beautiful facing.
(2) outside the wall is energy-saving heat preservation is tectonic. Heat preservation construction should satisfy building function requirement, note insulation material type selecting and connection type selecting, ensure arrange detail accurate without by accident. At the same time come true calculates design function, process of test and verify of computation of the design that finish.
03
Prefabricated components production should notice link
(1) manufacturing plan. Construction Fang Yinggen occupies blueprint demand, the design that participates in prefabricated components in time to produce a plan and adjust, ensure component part production is made move steadily.
(2) mould plan. Construction just should ensure blueprint designs contented construction need, and according to blueprint, check mould plan to make in coordination whether to put in the problem, put forward to modify an opinion as early as possible.
(3) personnel organization. Arrangement person specially assigned for a task is made to component part have quality accuse, ensure intensity amounts to mark, dimension appropriate, impressions is appropriate; Person specially assigned for a task should be in charge of representing construction to just undertake communication with member plant, seasonable feedback produces a situation, communicate construction the demand to component part.
(4) technical quality controls measure. Component part quality assembles installation to later period construction impact is bigger, should notice to produce manufacturer to be communicated in time with component part. Component part intensity should detect in time, do not accord with installation demand to answer seasonable redo; Dimension and effective demand had differred big, also answer to contact manufacturer correct an error in time.
(5) deposit reach carriage plan. Along with with follow reach reducing carriage distance is to ensure assemble type to install construction to use the land managing strong assure.
2/6 organizes plan and spot to decorate
01
Constituent plan
After project project is specific, should write special construction to organize a design seriously, write should highlight the characteristic that assembles type construction installation, the rationality that organizes working procedure of the scientific sex that reachs deploy, construction to construction, the possibility of the technical, economy that construction method chooses and implementation has scientific proof; Can achieve science to coach reasonably the spot, the organization moves person, machine, material, wait for resource to fulfil the overall demand that assembles type installation; Put forward to solve the method of the problem in the light of difficulty of a few technologies.
02
Construction site plane is decorated
(1) decorate component part storage yard. Component part storage yard should satisfy construction running water paragraph assemble a requirement, and what should satisfy car of large carriage component part, automobile crane is current, assemble and unassemble requirement. To make sure spot construction is safe, component part storage yard should be set surround block, prevent to have nothing to do personnel is entered.
(2) decorate carriage component to carry car to assemble and unassemble dot. Assemble type to build construction component part to use large carriage car to carry. Car carriage component is much, assemble and unassemble time is long, accordingly, should decorate component of carriage component car to assemble and unassemble reasonably dot, lest keep an influence for long because of car the viatic inside the spot is expedite, block up spot is other the normal operation construction of working procedure. Assemble and unassemble the dot should be in tower type crane or the tower arm that have heavy facility cover range inside, and unfavorable setting is on road.
3/6 is perpendicular remove condole
01
Perpendicular a heavy equipment and appliance
(1) tower type crane. Current, the tower type crane that is used at building a project presses erect means cent to be stationary, adherent type, inside climb type, by luffing form cent is car luffing and luffing jib luffing two kinds.
(2) type selecting of tower type crane. To assembling type construction, want to satisfy the demand that has heavy height, a heavy height of tower type crane should be equal to building height + safe hoisting height + prefabricated components is the biggest height + rigging height.
(3) the demand that tower type crane covers a range. The model of tower type crane decided the arm of tower type crane grows extent, when decorating tower type crane, tower arm should cover storage yard component part, avoid primary election to cover blind area, carry 2 times when reduce prefabricated components.
02
Hoisting order
Order of prefabricated components hoisting is: → of bridge of superposition of → of prefab wall body folds air conditioning of → of balcony of → of plywood → stair board.
Wall hoisting order is the wall outside face corner standing to be in outside aing string of 1 first outside, the fixed position control of hoisting of the wall outside serving as the others through the wall outside corner office is fiducial, PCF board is in two side are prefab outside wall hoisting is corrective after finishing, undertake installing.
4/6 construction wants a place
01
Prefab fold plywood to install construction
(1) when folding plywood hoisting, modulus is used to turn hoisting roof beam when aing string of 1 since, process removing condole is slow, ensure superposition board is smooth.
(2) in hoisting process, be apart from place of exercise layer 300mm, a bit halt, adjust, fixed position folds plywood direction; Avoid to collide in hoisting process, stop to be put slow firmly, make sure superposition board is in good condition.
(3) the bottom when installation should be done temporarily bracket, bearing dot span is 150cm, bracket of every the standard width of a room in an old-style house installs 2~3 to discharge.
(4) if undertake structural layer construction, want to set double deck stand, after structure of floor of a superposition completes construction, cast-in-place concrete strength is more than those who be equal to design intensity 70% when, ability can remove below one stand.
02
Prefab stair board install construction
(1) prefab stair board when installation, be apart from place of work area 500mm, a bit halt, stair board direction adjusts the basis, when perch slow operation, avoid stair board shake to fold damage.
(2) wait for its after basic perch, according to control line, use crow fine tuning corrective position, corrective after be over, undertake soldering fixed.
03
Construction of prefab Liang Ban wants a place
(1) had done prefab entablement by the requirement, note the setting turning over arch of entablement.
(2) irrigate normally build concrete, the attention is oscillatory and close-grained, interleaving agent of pattern plate besmear.
(3) prestressing force has when wet conserve waits for concrete strength to achieve 80 ％ tensioning.
(4) tensioning should undertake symmetrically, use stress to control nucleus of stretchy value school.
(5) tensioning program: → of the stress at the beginning of 0 → exceeds tensioning 5 ％ hold anchor of → of 2min of carry on one's shoulder to originally.
(6) press an oar in time (general grout or cement mortar) , the pressure that press an oar is 0.5 ～ 0.7MPa commonly.
04
Prefab wave point of window installation construction
(1) wave window hoisting is used hanger, bolt and wave the obligate nut on the window has link.
(2) the window will wave to be apart from office of position of work area 300mm after join, according to positional line, inch waves window perch is second-class to wave window bolt adjusts when be in to position of the hole that wear a wall, form of will custom-built U waves window level is occlusive measure set put in wave on the window, wave with smooth rope drawing window, make bolt inserts wallboard join hole.
5/6 aseismatic construction
Aseismatic function is those who assemble type to build safe mass is important think parameter, need design and construction produce effect jointly.
Through designing damping column, the capabilities that can make the earthquake arises is full by damping column sponge, protect crucial post, bridge to be not destroyed. Damping column construction should ensure up and down the armor plate of the predestined relationship that take a wing of two semmetry, rely on join with Liang Ke, it is opposite among softer (yield point is low) rolled steel.
When decorating, inside canister the left and right sides of the 3 column that cross PC two cross, all around each two, every 8. Inside canister frame because stiffness is bigger, will allocate bigger horizontal effect. Especially inside canister horn ministry is out of shape bigger, reason decorates damping column hereat, but the function that utmost develops his to draw principal part of energy, protection. And decorate 3/4 only tall, because structural bottom assumed main level to cut force and capsize moment of force,be. Coping although displacement is bigger, but displacement horn parameter can be controlled in effective limits, safety does not have an influence, add bottom 3/4 to already shock absorber shares the work, coping acceleration also can get be controllinged effectively. To the high level the turn is cut model structure, the level cuts force the biggest appear in floor commonly mid, install the rolled steel of inferior yield point here, can develop its adequately to assume cut force, be out of shape bad news can action.
In construction process, outside dividing aseismatic design construction, still should note node connection case, this is to make sure structural whole is aseismatic the key of function.
Structural join includes to equivalent cast-in-place joins and assemble type join. Equivalent cast-in-place joins the requirement is achieved or exceed cast-in-place concrete connective aseismatic function, integral type and type of prestressing force joining together are irrigated after commonly used equivalent cast-in-place node includes two kinds; Assemble type join and cast-in-place concrete to join mechanical function differs, commonly used assembly type node has solder node and bolt join node.
6/6 is on guard measure
01
Use relevant and auxiliary tool
(1) use corner of swing of L form spreader board, can prevent its effectively carrying in reaching hoisting process, happen break off, can will the tensile move that corner board gets arrives on L form spreader, lower the attaint rate of corner board thereby.
(2) in flat carriage process quadrilateral easy attaint, the proposal is OK according to standards of measurement of component part Bao Hou, make plastic or balata material protects part character.
(3) can use in flat carriage process " increase span, a few for many times " method; Flat increases the space between flat when carry, choose even carriage path, increase carriage number, in order to make sure flat is not broken off.
02
Reduce superposition board to make span
Because span passes to create the problem that rupture greatly,be in to solve superposition board in hoisting process, can communicate ahead of schedule with design unit, additional its receive sufficient consideration when the design, will fold plywood span control to be in board inside deflection limits, in order to reduce the damage that the spot folds plywood in hoisting process.
03
Hoisting truss muscle
Superposition board hoisting is buried beforehand falling off also is the problem that often encounters in spot construction, the proposal can be buried beforehand in hoisting all round direct perhaps hoisting folds consolidate plywood truss muscle, can save hoisting to be buried beforehand not only so, had safeguard to folding the hoisting safety of plywood, also can change the position of condole deck neatly according to spot circumstance.
04
Increase contrapuntal aperture appropriately
Prefab reinforcing steel bar and problem of counterpoint of hole of spot reinforcing steel bar are prefab all the time the key difficulty that assembles type to build spot construction. The proposal can be below the premise that satisfies normative requirement, increase hole of counterpoint of reinforcing steel bar appropriately, can make so the increase of the rate that enter hole of contrapuntal reinforcing steel bar, make the fore-and-aft whole sex of reinforcing steel bar increases thereby, significant link increases; Or, can increase the communication of spot construction and component part processing factory, increase component part processing factory to produce the normative sex of accuracy and colligation of spot reinforcing steel bar, reduce the generation of wrong component part.
05
Brace up before pounding, secure bury member beforehand
Wiring box is in wallboard concrete brace up the amlposition question in disturbing a process often happens, can be in in the light of this problem concrete brace up before pounding, solder wiring box to go up in corresponding place, can secure very well so make wiring box. To burying the problem that cop of water and electricity falls off beforehand, can increase " brace up the examination before pounding, brace up the observation in pounding, brace up after pounding, check " link, can reduce water and electricity to bury the problem that cop falls off beforehand considerably so, increase finished product percent of pass.
"+ 1 " whole process is checked and accept
Although assemble the join means of type construction to already obtained land of very old rate to optimize at present, but component still exists even the quality hidden trouble of contact, excel assembles the construction means of type, after making the project seals a top undertake very hard checking to the quality of join node, and craft of the professional quality of construction personnel, construction also be faced with further ground is optimized and rise.
01
Prefabricated components is checked and accept
(1) whether do number of nuclear check component entering the arena and amount agree with the sheet that offer money.
(2) content of label of surface of nuclear check component is all ready, the date that make, eligible condition, intensity asks to wait for file of whether contented proof.
(3) detect whether is exterior surface put in the quality problem such as face of beehive, hemp, break or blemish.
(4) whether does the tolerance that examines prefabricated components dimension satisfy a requirement.
(5) whether does the tolerance that checks reinforcing steel bar of component part obligate satisfy a requirement.
(6) a Deerjia is buried to be versed in whether fixed tolerance satisfies a requirement with installation beforehand inside examination prefabricated components.
(7) the examination buries cop position deviation to whether satisfy a requirement beforehand.
(8) file of proof of examination component quality and process data are complete.
02
Spot construction is checked and accept
(1) branch, divide an acceptance of work: After assembling quality of type construction project to check and accept qualification, should receive all check structure of file classify concrete child branch project files put on record.
(2) concrete inspection of construction approves differentiate: Assemble raw material of type construction prefabricated components, prefabricated components to install the project, project that note an oar to examine batch all according to every running water paragraph examine for batch undertake examining.
