CN101994389B

CN101994389B - Method for constructing high template

Info

Publication number: CN101994389B
Application number: CN201010519257A
Authority: CN
Inventors: 钱春华; 袁细兰; 王振林; 李勇; 施红华
Original assignee: CHINA UNION CENTURY BUILDING GROUP Co Ltd
Current assignee: CHINA UNION CENTURY BUILDING GROUP Co Ltd
Priority date: 2010-10-26
Filing date: 2010-10-26
Publication date: 2012-09-19
Anticipated expiration: 2030-10-26
Also published as: CN101994389A

Abstract

The invention relates to a method for constructing a high template which is higher than 3.6m. The method is characterized by comprising the following steps of: 1, paying off according to a planar geometric dimensioning; 2, setting an integral bracket; 3, binding reinforcing steel bars; 4, inspecting whether the wall reinforcing steel bars are qualified or not; 5, welding positioning bars on a wall; 6, assembling a die; 7, calibrating and reinforcing the template; and 8, inspecting whether the template is qualified or not. The technical scheme provided by the invention is practical and convenient, and can be used for solving the problem of super high steel template construction.

Description

A kind of high and big die plate job practices

Technical field

The present invention relates to building engineering field, relate in particular to a kind of high and big die plate job practices.

Background technology

The ultra floor height building surface of 21 century modernization is complicated to the diversification project organization, and the building of design is of many uses.Because existing templates can't adapt to the needs of superelevation large steel moulding plate construction, thereby the construction of solution superelevation large steel moulding plate is the big emphasis difficult problem that unit in charge of construction faces.

Summary of the invention

In order to solve above-mentioned technical problem, a kind of high and big die plate job practices is provided, its purpose is, solves the problem that the construction of superelevation large steel moulding plate is faced.

The invention provides a kind of high and big die plate job practices, this high and big die plate is higher than 3.6m, may further comprise the steps:

Step 1 is carried out plane geometry size unwrapping wire;

Step 2 is set up the globality shelf;

Step 3, assembling reinforcement;

Step 4, check body of wall reinforcing bar is qualified;

Step 5, body of wall welding positioning bar;

Step 6, matched moulds;

Step 7, template school are surveyed and are reinforced;

Step 8, the check template is qualified.

Also comprise step 9, concreting.

The height of said high and big die plate is 5.4m, is made and the back side adopts channel-section steel as perpendicular rib by the butt joint of the standard form of two 2.7m, adds one channel-section steel again as cross rib at the back at perpendicular rib.

In the step 1, the planar axes line traffic control adopts the inside and outside control method of holding concurrently to measure, and the transmission of internal control axis adopts the zenith method to measure.

Positioning bar is provided with the position to begin from the inner corner trim position, high and big die plate edge joint position is provided with positioning bar, positioning bar is controlled according to the body of wall sideline and the control line on ground fixedly the time, and the positioning bar that places is welded in place with electric welding and vertical reinforcement.

In the step 7, the employing steel pipe adds jacking, mild steel link chain is reinforced.

Steel pipe constitutes the globality shelf.

Solution provided by the invention is practical, easy construction, economical rationality, can be used in the problem that the construction of superelevation large steel moulding plate faces that solves.

Description of drawings

Fig. 1 is that the reinforcing detail drawing is surveyed in template provided by the invention school;

Fig. 2 is the structure chart after the form removable provided by the invention.

Description of reference numerals:

The 1-screw rod, 2-nut, 3-iron plate, 4-punching block version; The 5-body of wall, the 6-template supports, the whole diagonal brace of 7-bowl button frame, the adjustable jacking of 8-; The 9-secondary joist, 10-main joist, the big eye of 11-net, 12-emergency staircase; 13-reinforcing bar earth anchor, 14-50 * 100 * 500 flitches, the bridging that the side adds around the 15-bracing means (being provided with during >=400mm), 16-support body

The specific embodiment

Below in conjunction with accompanying drawing, the present invention is done further detailed description.

The technological process of high and big die plate job practices provided by the invention is following:

Preparation of construction → plane geometry size unwrapping wire → set up globality shelf → assembling reinforcement → body of wall reinforcing bar examination → body of wall to weld positioning bar → matched moulds → template school survey reinforcing → template examination → concreting.

(1), preparation of construction

Mainly comprise: respective material such as personnel placement, laser transit, laser pick-off plate, line bob, shelf pipe, finished product reinforcing bar, template, spanner, vibrating head are prepared

(2), plane geometry size unwrapping wire

2.1 lay at the control point

The measurement " inside and outside double control method " that this engineering planar axes line traffic control adopts; That is: inboard longitudinal and transverse two directions are drawn the 1000mm control line at four big angles of first layer plane, bury 150mm * 150mm steel plate underground at its intersection point place, check the steel plate central point again, adopt steel nail to hammer into the steel plate center after having checked the center; With it as permanent protection; Again the 1000mm control line is caused the exterior wall skin after carrying out internal locus of control, on control line with the steel ruler amount to the exterior wall big angle, eject the 100mm control line at four exterior wall big angles (on the metope); Whenever the one deck of upwards constructing can adopt traditional line to weigh down messenger wire and upwards transmit 100mm big angle control line, guarantees to control the verticality at exterior wall big angle.

2.2 the internal control axis transmits

" the zenith method " in measuring adopted in the transmission of internal control axis; When the upper strata concrete roof build reach the people and require after; Adopt two laser transits; One stand is located at the iron plate place that buries underground in advance, transfers and establishes instrument, centering (that is: centering iron plate central point), leveling, again instrument is transferred to the zero degree zero and opens laser after zero second; The survey crew on upper strata is kept somewhere the laser spots that good 150mm * reception lower floor in 150mm hole place upwards transmits with the laser pick-off plate in advance, and other three internal locus of controls repeat aforesaid operations; Top board planar laser Board position sets up instrument to another transit on the upper strata; Centering laser spots, leveling instrument; Forward sight length turn 90 degrees the backsight short to the laser spots that internal locus of control transmits, and draws point with red and blue pencil at the top board face; Accomplish aforesaid operations and can instrument be moved to clinodiagonal internal locus of control repetition aforesaid operations, carry out 4 closures of internal control; Can line be caused the exterior wall skin and exterior wall big angle 100mm control line carries out closure after the internal locus of control closure, to play the effect of the inside and outside control of holding concurrently.After the transmission of planar axes line traffic control was good, the wall sideline and the 500mm control line that carry out in each room with the long steel ruler of 50m were put well again, are sub-divided into window opening mouth line, door opening line again.

(3), set up the globality shelf

Concrete roof is built; Plane geometry size unwrapping wire, test line and set up the globality shelf through back arrangement personnel; Outermost vertical rod and shear wall kept the distance of 400mm to 450mm when the globality shelf was set up; Initiation pole is 300mm apart from ground, make progress per step 1500mm altogether three road horizon bars can satisfy requirement for height.

(4), assembling reinforcement

Manipulate for ease of workman's assembling reinforcement, the globality shelf after setting up can connect with steel tube into an integral body, lays springboard then and supplies reinforcing bar binding personnel colligation body of wall reinforcing bar to use.

Tie up vertical reinforcement during reinforcing bar binding earlier, after vertical reinforcement fixes, be fixed together with set location ladder muscle and vertical reinforcement again; The ladder muscle begins to be provided with from inner corner trim, and every 3m is provided with ladder muscle, so effectively controlling level reinforcing bar one; Horizontal reinforcement plays step pitch ground 50mm; Every 150mm that makes progress is provided with a horizontal reinforcement, must colligation put in place during the body of wall reinforcing bar binding, must not jump that lattice are tied up and leakage is tied up.

(5), reinforcing bar is checked and accepted

The body of wall reinforcing bar binding is inspected for acceptance by the reinforcing bar class monitor and group leader after accomplishing voluntarily, reports reinforcing bar section chief and professional Quality Inspector to check and accept again, reports the supervising engineer to check and accept by the Quality Inspector again after the self check acceptance(check), can carry out the next procedure construction after the acceptance(check).

(6), body of wall welding positioning bar

Make the body of wall positioning bar by the professional with cutting machine, positioning bar length is 297mm, and positioning bar two ends otch must be smooth, and must brush corrosion resistant coating; Positioning bar is provided with the position to begin from the inner corner trim position; Template to edge joint position positioning bar must be set; Positioning bar is controlled in strict accordance with the body of wall sideline and the 500mm control line on ground fixedly the time, and the positioning bar that places is welded in place with electric welding and vertical reinforcement, and welding rod must be bought by designing requirement.

(7), body of wall matched moulds:

The globality shelf of setting up is in advance no longer removed, and is used for fixing large steel moulding plate and uses; Template is at foreign material such as stacking land clearing surface plasters, and brushing release agent after cleaning work is accomplished is in order to avoid influence isolation effect and then influence the concrete formation quality; Should adopt cylinder during template plate face brushing release agent; Press the vertical direction brushing, direction is consistent, and brushing evenly; And a brush pressure half brush, do not leak brush, do not trickle.

During the handling large steel moulding plate; Earlier angle mould in the room is hung and be appointed as the position; Template of handling to assigned address with iron wire and body of wall reinforcing bar binding firmly and screw rod through walls, sleeving plastic pipe then; The template of handling reverse side arrives assigned address with iron wire with two template colligations together again, and the back side of template can add the steel pipe administration of fixed with jacking, guarantees that template does not does not tilt and collapse.

(8), the template school is surveyed and is reinforced

Large steel moulding plate all lifts the back establishment officer that puts in place and carries out school survey and consolidation process; Earlier the through-wall bolt of template is used nut screwing clamping; Weigh down according to placing ground 50cm line (control line) in advance with line and carry out the survey of messenger wire school, partial vertical degree usefulness not in place can be adjusted the verticality of template through the adjusting of nut.

Consolidation process is carried out after surveying well again in the template school; The method of reinforcing we adopt steel pipe to add jacking and mild steel link chain; Utilize original globality shelf to be fixedly connected into the integral body in a room, can guarantee that like this situation that running mould, expanding phenomenons such as mould does not appear in template takes place in the concreting process.

It is as shown in Figure 1 that the reinforcing detail drawing is surveyed in the template school.

The globality shelf is no longer removed after the form removable, and it is as shown in Figure 2 directly to be used for the top plate supporting system.

Lateral pressure when stability during for assurance superelevation large steel moulding plate matched moulds and template concrete are built; Template makes full use of the reinforcement means that the globality shelf set up and screw rod, chain, jacking combine when installing; During the template matched moulds every handling put in place one template be fixed earlier (good with the template colligation of symmetry with iron wire; Add short steel pipes with jacking again and its globality shelf fixes); Can guarantee the template mould that can not expand during shear wall concreting, become as a whole behind globality shelf and the formwork reinforcement and can play effective guarantee.

An above-mentioned application engineering floor height of the present invention is 5200mm; Consider Project Cost Control during the configuration large steel moulding plate; Do not buy brand-new steel plate configuration; But adopt the high standard forms butt joint of two 2700mm to be made, and promptly practiced thrift the needs that cost can satisfy construction requirement again, can guarantee workmanship simultaneously.

Different during this project large formwork construction with conventional template construction method; Because of template superelevation and wallboard bar diameter are the 14mm screw thread; Tilt and collapse easily during matched moulds; This project is to set up the globality shelf earlier to carry out the wallboard reinforcing bar binding more for this reason, carries out matched moulds again, and the globality shelf can play the effect that guarantees that template does not does not tilt and collapse like this.

When high large steel moulding plate disposes, adopt two on-gauge plates butt joints that 2700mm is high, the backboard face adopts the 8# channel-section steel as perpendicular rib, and adding one 10# channel-section steel again does booster action as cross rib at the back at perpendicular rib.

This superelevation large steel moulding plate job practices carrying out reasonably the effectively calculating of analysis and science, makes the per step job practices in the construction that reliable basis all arranged through compiling related data.

Those skilled in the art can also carry out various modifications to above content under the condition that does not break away from the definite the spirit and scope of the present invention of claims.Therefore scope of the present invention is not limited in above explanation, but confirm by the scope of claims.

Claims

1. high and big die plate job practices, this high and big die plate is higher than 3.6m, it is characterized in that, may further comprise the steps:

Step 1 is carried out plane geometry size unwrapping wire;

Step 2 is set up the globality shelf;

Step 3, assembling reinforcement;

Step 4, check body of wall reinforcing bar is qualified;

Step 5, body of wall welding positioning bar;

Step 6, matched moulds;

Step 7, template school are surveyed and are reinforced;

Step 8, the check template is qualified.

2. high and big die plate job practices as claimed in claim 1 is characterized in that, also comprises step 9, concreting.

3. high and big die plate job practices as claimed in claim 1 is characterized in that, the height of said high and big die plate is 5.4m, is made and the back side adopts channel-section steel as perpendicular rib by the butt joint of the standard form of two 2.7m, adds one channel-section steel again as cross rib at the back at perpendicular rib.

4. high and big die plate job practices as claimed in claim 1 is characterized in that, in the step 1, the planar axes line traffic control adopts the inside and outside control method of holding concurrently to measure, and the transmission of internal control axis adopts the zenith method to measure.

5. high and big die plate job practices as claimed in claim 1; It is characterized in that; In the step 5, positioning bar is provided with the position to begin from the inner corner trim position, high and big die plate edge joint position is provided with positioning bar; Positioning bar is controlled according to the body of wall sideline and the control line on ground fixedly the time, and the positioning bar that places is welded in place with electric welding and vertical reinforcement.

6. high and big die plate job practices as claimed in claim 1 is characterized in that, in the step 7, the employing steel pipe adds jacking, mild steel link chain is reinforced.