CN103603504B - The dynamo-electric heavy caliber standpipe of super highrise building is with the method for main body progress lifting construction - Google Patents
The dynamo-electric heavy caliber standpipe of super highrise building is with the method for main body progress lifting construction Download PDFInfo
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Abstract
The invention provides the method for the dynamo-electric heavy caliber standpipe of a kind of super highrise building with main body progress lifting construction, often construct after 40 ~ 50 meters in agent structure, namely tower crane is utilized to carry out the homogeneous tube lifting construction of a heavy caliber standpipe, the length of construction Large diameter standpipe homogeneous tube is 10 ~ 15 meters, layering lifts, be main construction equipment with tower crane, heavy caliber standpipe from top to bottom lifted and puts in place.The present invention adopts homogeneous tube to lift, solve in conventional hoist engine upside-down construction and need, according to floor absolute altitude, heavy caliber standpipe is carried out cutting section, weld bond quantity is many, problem great in constructing amount, solve existing hoist engine hyperbatic weld bond height indefinite simultaneously, welding difficulty is large, efficiency of construction is low, the problem that cost is high, easily there is potential safety hazard, be difficult to the problem meeting the high-level composite request of modern architecture high construction efficiency rate, invention increases the stability of heavy caliber standpipe construction, safety and economy, be specially adapted to the installation of super highrise building heavy caliber standpipe.
Description
Technical field
The construction method for hanging that the heavy caliber standpipe the present invention relates to heavy caliber standpipe Hoisting Construction Technology field, particularly a kind ofly to carry out with main body construction, being applicable to super highrise building is installed.
Background technology
The installation of the heavy caliber standpipe in construction of super highrise building is the difficult point of construction always, the hoist engine upside-down method of hull-section construction that general employing is traditional at present, but need in upside-down construction, according to floor absolute altitude, heavy caliber standpipe is carried out cutting section, heavy caliber standpipe cutting lifting, weld bond quantity increases, great in constructing amount, and weld bond height is indefinite, welding difficulty is large, and efficiency of construction is low, and cost obviously increases; Hoist engine deadweight is little, counterweight is increased for reaching lifting object, be difficult to like this fix in pipe well, and in construction, the moment that heavy caliber standpipe is liftoff waves and is acutely difficult to control, and easy and structure produces clashes into, and hoist engine switching manipulation difficulty is high, rapid rise all standing to wire rope and snap ring impact force large, hoist engine fixing and heavy caliber standpipe is liftoff time anti-shake measure be hyperbatic the biggest problem always.To sum up, hoist engine upside-down method of hull-section construction cost is high, work efficiency is low, difficulty is large, and there is more potential safety hazard, be difficult to meet modern architecture high construction efficiency rate, high-level composite request, the construction and installation technology of a kind of novel heavy caliber standpipe of current urgent need, improves the stability of existing construction technology, safety and economy.
Summary of the invention
The invention reside in the method providing the dynamo-electric heavy caliber standpipe of a kind of super highrise building with main body progress lifting construction, the present invention adopts homogeneous tube to lift, solve in conventional hoist engine upside-down construction and need, according to floor absolute altitude, heavy caliber standpipe is carried out cutting section, weld bond quantity is many, problem great in constructing amount, solve that existing hoist engine hyperbatic weld bond height is indefinite, welding difficulty is large, efficiency of construction is low, cost is high problem simultaneously, and easily there is potential safety hazard, be difficult to meet the problem of the high-level composite request of modern architecture high construction efficiency rate.
For realizing above-mentioned technical purpose, the concrete technical scheme that the present invention adopts is:
The dynamo-electric heavy caliber standpipe of a kind of super highrise building is with the method for main body progress lifting construction, it is characterized in that: agent structure often construct 40 ~ 50 meters time, namely tower crane is utilized to carry out the homogeneous tube lifting construction of a heavy caliber standpipe, the length of the homogeneous tube of described heavy caliber standpipe is 10 ~ 15 meters, and its operating procedure comprises:
Step one, the installation site determining heavy caliber standpipe and erection sequence: draw the layout plan of heavy caliber standpipe in pipe well and vertical layout viewing, vertical and planar arrangement are carried out to heavy caliber standpipe to be installed, determines its installation site and erection sequence;
Step 2, determine the heavy caliber standpipe lifting construction time: determine the engineering time, make effective sling height of tower crane during construction be greater than the length of the heavy caliber standpipe after processing apart from the height of structure roof;
Before step 3, construction, processing process is carried out to heavy caliber standpipe: clean out heavy caliber standpipe and stack and processing place, heavy caliber standpipe is processed, comprise the rust cleaning of heavy caliber standpipe, groove finishing, hanger welding, part heavy caliber standpipe cutting with weld, mopping and last label pile up;
The cleaning of step 4, pipe well: ensure that vertical duct is aboveground lower unblocked;
Step 5, making the riser cradle installed in pipe well: in every stove pipe well, riser cradle is installed according to code requirement, for after having lifted and butt welding complete after heavy caliber standpipe fix, pre-embedded steel slab in itself and body of wall welds together, it has preformed hole, for installing the interim clip of the annular that diameter and standpipe diameter adapt and formal clip;
The manufacture and installation of step 6, bottom support bracket: the support bracket installing heavy caliber standpipe at the bottom of this lifting construction, for after the construction of heavy caliber standpipe butt welding to the load-bearing of heavy caliber standpipe with fixing;
The layout of temporary illuminating lamp and installation in step 7, pipe well: illuminating lamp, for ensureing the brightness of constructing in pipe well, improves construction quality and working security;
Step 8, prepare to set up the material of temporary support: described temporary support is that in heavy caliber standpipe hoisting process, tower crane needs the support body for temporary fixed standpipe temporarily built during more change steel rope, is transported to required floor by setting up temporary support material used;
Step 9, heavy caliber standpipe is winched in structure roof: according to number order, heavy caliber standpipe is winched in structure roof in batches;
The pre-lifting of step 10, heavy caliber standpipe: the hanger hanging heavy caliber standpipe with tower crane slowly lifts by crane, is mentioning and the safety of checkout equipment and technical scheme in moving process; If there is the hidden danger of technology or secure context, stop lifting rectifying and improving immediately, again lift in advance after rectification, until without potential safety hazard;
The formal lifting of step 11, heavy caliber standpipe, its method is as follows:
1) slowly lift by crane with the hanger that tower crane hangs heavy caliber standpipe, heavy caliber standpipe level is moved to pipe well, after to pipe well, hang slowly;
2) temporary support is set up: when crane hook has remained wire rope curtailment close to the pipe well opening in structure roof or tower crane expects height to make suspension hook drop to, suspend tower crane, set up temporary support rapidly, slowly be placed into by heavy caliber standpipe after on temporary support, tower crane slowly falls again;
3) adjunction wire rope: heavy caliber standpipe to be determined by after tower crane effect still safety and stability, does not carry out rapidly the adjunction work of wire rope in structure roof;
4) remove temporary support: after connection, again lift by crane, when heavy caliber standpipe leaves temporary support about 1 meter, suspend tower crane, rapidly temporary support pipe is removed;
5) tower crane falls again, until lifting is to precalculated position;
Fixing of step 12, heavy caliber standpipe: the lifting of heavy caliber standpipe is to precalculated position, with interim clip, heavy caliber standpipe is fixed on riser cradle immediately, after fixing, tower crane continues slowly to decline, relaxed state is in wire rope, after determining that heavy caliber standpipe is fixed well, remove wire rope;
Step 13, to carry out the lifting of other heavy caliber standpipes of sustained height fixing: repeat step 11 and step 12, carry out the lifting construction of other heavy caliber standpipes of sustained height;
The lifting of step 14, other height heavy caliber standpipes is fixed: after in pipe well, the heavy caliber standpipe of sustained height has lifted, repeat step 11 to step 13, carry out the lifting of another height heavy caliber standpipe, integral hoisting order is from lower floor to upper strata, puts in place until the heavy caliber standpipe of the main part of standpipe to be installed all lifts;
Step 15, welding heavy caliber standpipe: by baffle plate, bottom heavy caliber standpipe and support bracket being welded as a whole, and excising the hanger of heavy caliber standpipe, carrying out butt welding by having lifted the heavy caliber standpipe put in place in this lifting construction;
Step 10 six, fix heavy caliber standpipe with formal clip: it is fixing that the formal clip interim clip being changed into the annular made with band steel and thicker round steel is used for heavy caliber standpipe;
Step 10 seven, until agent structure again constructed about 40 ~ 50 meters time, repeat step one to step 10 six, carry out heavy caliber standpipe lifting construction next time.
The described step 2 Large diameter standpipe lifting construction time has built 12 hours in structure roof, and now cross-operation amount is less, is the best opportunity of heavy caliber standpipe lifting.
The concrete steps of the cleaning of described step 4 pipe well comprise: template and the scaffold of removing pipe well position, carry out local stiffening simultaneously, guarantee structure and construction safety for on-site actual situations to around pipe well.
In described step 7, in pipe well, the installation of temporary illuminating lamp and the concrete grammar of layout are: in every stove pipe well, install low-voltage lighting, and when formally constructing, every two-layer installation 1 LED bay light, guarantee normal construction throws light on, and no longer repeats to install lighting when the heavy caliber standpipe in later stage pipe well welds.
In described step 11, temporary support is the interim support body set up by frame pipe and plank, rides on the floor of both sides when setting up by the two ends of some frame pipes, lays plank on frame pipe.
The support bracket related in described step 6 is trellis rectangle steelframe, comprise rectangular frame support, horizontal support and bearing diagonal, the corresponding heavy caliber standpipe of a grid of described trellis rectangular frame, total lattice number and heavy caliber standpipe number to be installed are wanted to adapt to, and described frame supported, horizontal support and bearing diagonal are all welded to connect with the pre-embedded steel slab in body of wall.
The baffle plate of triangle fixation has been welded with between the upper bottom surface of described support bracket and heavy caliber standpipe.
Described baffle plate is right-angled triangle, and one side weld is connected on heavy caliber standpipe, and adjacent one side is welded on heavy caliber standpipe support bracket.
Compared with prior art, advantage of the present invention is: the invention provides the method for the dynamo-electric heavy caliber standpipe of a kind of super highrise building with main body progress lifting construction, often construct after 40 ~ 50 meters in agent structure, namely tower crane is utilized to carry out the homogeneous tube lifting construction of a heavy caliber standpipe, the length of construction Large diameter standpipe homogeneous tube is 10 ~ 15 meters, layering lifts, and is main construction equipment, is from top to bottom lifted by heavy caliber standpipe and put in place with tower crane.The present invention adopts homogeneous tube to lift, solve in conventional hoist engine upside-down construction and need, according to floor absolute altitude, heavy caliber standpipe is carried out cutting section, weld bond quantity is many, problem great in constructing amount, solve existing hoist engine hyperbatic weld bond height indefinite simultaneously, welding difficulty is large, efficiency of construction is low, the problem that cost is high, easily there is potential safety hazard, be difficult to the problem meeting the high-level composite request of modern architecture high construction efficiency rate, 10 layers 288 meters air conditioner water heavy caliber standpipe liftings put in place and only use 6 hours, invention increases the stability that heavy caliber standpipe (1) is constructed, safety and economy, facilitate later maintenance and management, be specially adapted to the installation of super highrise building heavy caliber standpipe.
Accompanying drawing explanation
Fig. 1 is the construction process figure of the dynamo-electric heavy caliber standpipe of super highrise building of the present invention with the method for main body progress lifting construction;
Fig. 2 is the method schematic diagram of the dynamo-electric heavy caliber standpipe of super highrise building of the present invention with main body progress lifting construction;
Fig. 3 is the front view of the temporary support related in step 8 of the present invention and step 11;
Fig. 4 is the top view of the temporary support related in step 8 of the present invention and step 11;
Fig. 5 is the front view of the support bracket 2 related in step 6 of the present invention;
Fig. 6 is the top view of the support bracket 2 related in step 6 of the present invention;
Fig. 7 is the front view that the interim clip 14 of use related in step 12 of the present invention fixes heavy caliber standpipe 1;
Fig. 8 is the top view that the interim clip 14 of use related in step 12 of the present invention fixes heavy caliber standpipe 1;
Fig. 9 is the front view that the formal clip 16 of use related in step 10 six of the present invention fixes heavy caliber standpipe 1;
Figure 10 is the top view that the formal clip 16 of use related in step 10 six of the present invention fixes heavy caliber standpipe 1.
Reference numeral: 1-heavy caliber standpipe, 2-support bracket, 21-frame supported, 22-horizontal support, 23-bearing diagonal, 3-floor, 4-frame pipe, 5-plank, 6-baffle plate, 7-structure roof, 8-wire rope, 9-pipe well, 10-tower crane, 11-concrete shear force wall, 12-channel-section steel, 13-pre-embedded steel slab, the interim clip of 14-, 15-riser cradle, the formal clip of 16-.
Detailed description of the invention
Composition graphs 1 ~ 6, the present embodiment electromechanical engineering comprises the system constructions such as plumbing, air conditioner, forceful electric power, fire-fighting, light current, heavy caliber standpipe 1 quantity of wherein plumbing, air conditioner water, fire-fighting specialty is more, there is a large amount of heavy caliber welding heavy caliber standpipes 1 in especially sub-partitioned project air-conditioner water system, the installation of this part heavy caliber standpipe 1 adds very large difficulty to engineering, and traditional lifting construction has been difficult to meet the high request of the present embodiment to progress, safety, cost, then have employed heavy caliber heavy caliber standpipe 1 with main body construction hoisting technology.The length of the present embodiment heavy caliber standpipe 1 is 12 meters, and main body construction often completes 10 layers and once lifts, and carries out adjacent layer butt welding after point three liftings.
1 construction emphasis
1.1 clear and definite tower crane 10 jacking times; Ensure that the maximum sling height of tower crane 10 meets lifting requirements, namely effective sling height of tower crane 10 is greater than 12 meters apart from most headroom height of constructing, and 12 meters is the length of heavy caliber standpipe 1, and heavy caliber standpipe 1 can be made vertically to sling.
1.2 keep a firm hand on concreting arrangement of time; Because the present embodiment concreting generally completes at noon, evening concrete initial set, reach people's condition, and do not set up scaffold, tower crane 10 is corresponding more idle, top working face a wide expanse of flat land, pole is beneficial to the operation of heavy caliber standpipe 1 lifting construction, just started to carry out heavy caliber standpipe 1 that night lift so complete in concreting as far as possible.Separately, coordinate the tower crane 10 jacking time and echo mutually with the concreting time, when namely guaranteeing that tower crane 10 jacking puts in place, then determine to carry out lifting construction after which layer concrete has been built.
1.3 scaffold local stiffenings; Because heavy caliber standpipe 1 longitudinally runs through each floor to precalculated position from structure finished surface top of having constructed, template and the scaffold at pipe well 9 position must be removed, unblocked to ensure vertical pipe well about 9, so need engineering department to carry out local stiffening for on-site actual situations to around pipe well 9, guarantee structure and construction safety.
1.4 heavy caliber standpipe 1 temporary storage; In heavy caliber standpipe 1 hoisting process, tower crane 10 wire rope 8 curtailment puts in place with disposable to be transferred by heavy caliber standpipe 1, adjunction need be carried out to wire rope 8, now heavy caliber standpipe 1 must carry out temporary storage, and the maximum 1380KG that reaches of this engineering air conditioner water heavy caliber standpipe 1 whole weight, be even more important so the temporary storage Scheme and Measures of heavy caliber standpipe 1 seems.
2 preparations
2.1 schemes prepare with perfect
1. clear and definite tower crane 10 jacking time and top lifting height; Guarantee that effective sling height that heavy caliber standpipe 1 lifts front tower crane 10 meets lifting construction requirement;
2. the structure roof 7 concreting time is determined; Under effective sling height of tower crane 10 meets the prerequisite of construction requirement, by determining that the structure roof 7 concreting time plans the heavy caliber standpipe lifting time.
3. link up with technology department and local stiffening adjustment is carried out to the support at structure roof 7 times adjacent 3 stove pipe well 9 positions, heavy caliber standpipe 1 must not be affected and lift;
4., before lifting, coordinate Civil Specialities and pipe well 9 is cleared up, guarantee that pipe well about 9 is constructed accessible;
5. pipe well 9 heavy caliber standpipe 1 is arranged; Pipe well 9 heavy caliber standpipe 1 is comprehensively arranged, planar arrangement makes heavy caliber standpipe 1 construction economy, optimization, the object of vertical arrangement mainly makes heavy caliber standpipe 1 terrain clearance suitable for reading be no more than 1.5 meters, be convenient to win wire rope 8 after lifting completes, reduce potential safety hazard, and reduce the difficulty of construction of the horizontal weld bond of pressure heavy caliber standpipe 1.
Example: the actual conditions of arranging according to pipeline, deepens vertical for pipeline layout viewing and pipe well 9 layout plan as Fig. 2, Fig. 3 respectively.
2.2 preparation of construction
1., before heavy caliber standpipe 1 is transported to scene, first should prepares and clean out heavy caliber standpipe 1 stack and process place, need site inspection to determine place;
2. heavy caliber standpipe 1 required in pipe well 9 is transported to processing place, carries out processing process, comprise that heavy caliber standpipe 1 eliminates rust, groove finishing, hanger weld, the cutting of part heavy caliber standpipe 1 with weld, heavy caliber standpipe 1 mopping, last label is piled up;
3. riser cradle 15 fabrication and installation; Deviation measurement is carried out to structure pipe well 9, carries out riser cradle 15 in strict accordance with on-site actual situations and make, ensure that support vertically becomes line, avoid because of support deviation effects heavy caliber standpipe 1 verticality;
4. temporary support production program is determined; Because this air conditioner water pipe well 9 back side, building is shear wall, and floor 3 place and shear wall are without being connected, frame pipe 4 cannot be completely spread according to a conventional method as heavy caliber standpipe 1 temporary support above pipe well, this just changes rope work to lifting and causes very large difficulty, by discussion also field practice demonstration, needing the story shearing force wall place welding channel-section steel of adjunction wire rope, channel-section steel top and floor 3 flat, on can carry out frame pipe 4 and lay, conventionally can carry out heavy caliber standpipe 1 temporary fixed, temporary support makes as Fig. 4;
5. temporary lighting is arranged; Heavy caliber standpipe 1 lifting is generally and carries on construction work at night, and pipe well 9 daylighting effect own is poor, in every stove pipe well 9, low-voltage lighting need be installed, and when formally constructing, every two-layer installation 1 frame iodine-tungsten lamp, guarantee normal construction throws light on, and can no longer repeat to install lighting when the heavy caliber standpipe 1 in later stage pipe well 9 welds;
3 heavy caliber standpipes 1 lift
First 3.1 lift in advance to heavy caliber standpipe 1
1. according to number order, heavy caliber standpipe 1 is winched to structure roof 7 in batches;
Whether, 2. under constructor coordinates, the hanger using tower crane 10 to hang heavy caliber standpipe 1 slowly lifts by crane, when heavy caliber standpipe 1 entirety departs from ground 30cm, suspend, observe tower crane 10 and work normal;
3., after all right on inspection, start tower crane 10, pipe level is moved to pipe well 9, under the assistance of staff, hang slowly, when heavy caliber standpipe 1 suitable for reading in structure roof 7 along about 10 centimeters time, again suspend tower crane 10, observe tower crane 10 and whether normally work;
If 4. there is the hidden danger of technology or secure context, stop immediately lifting, after thoroughly rectifying and improving, again lift in advance, until all in order after, carry out normal lifting construction.
3.2 heavy caliber standpipes 1 formally lift
When 1. formally lifting, the hanger hanging heavy caliber standpipe 1 with tower crane 10 slowly lifts by crane, heavy caliber standpipe 1 level is moved to pipe well 9, after to pipe well 9, hang slowly, heavy caliber standpipe 1 is through every layer time, and the constructor of this layer must coordinate correction, reduce heavy caliber standpipe 1 amplitude of fluctuation as far as possible, avoid heavy caliber standpipe 1 and surrounding structure to collide;
2. when tower crane 10 suspension hook has remained wire rope 8 curtailment close to pipe well 9 opening in structure roof 7 or tower crane 10 expects height to make suspension hook drop to, suspend tower crane 10, set up temporary support rapidly, heavy caliber standpipe 1 is slowly placed into after on temporary support;
3. when heavy caliber standpipe 1 docks on temporary support, tower crane 10 slowly falls again, and determine that heavy caliber standpipe 1 does not act on still after safety and stability by tower crane 10, notification architecture top board 7 staff carries out wire rope 8 adjunction work, adjunction is complete, notify that tower crane 10 rises by signalman, place, heavy caliber standpipe 1 bottom layer constructor cooperation is lifted by crane again, when heavy caliber standpipe 1 is from about 1 meter, floor 3 face, suspend, temporary support is removed by constructor as early as possible, and notifies that tower crane 10 falls again;
4. 2. 3. item work is repeated, until heavy caliber standpipe 1 lifts to precalculated position;
5. after winching to precalculated position, heavy caliber standpipe is fixed on riser cradle 15 with interim clip 14 by the constructor of heavy caliber standpipe 1 place layer immediately, after fixing, tower crane 10 continues slowly to decline about 20cm, wire rope 8 is made to be in the lax state that do not stress, after determining that heavy caliber standpipe 1 is fixed well, by heavy caliber standpipe 1 place suitable for reading, layer constructor removes wire rope 8, and carries out the lifting construction of next heavy caliber standpipe 1;
6. according to step 1.-5., successively the heavy caliber standpipe 1 of sustained height in pipe well 9 is hung in, then carries out the lifting of next height heavy caliber standpipe 1, until all heavy caliber standpipes 1 have lifted;
7. after all heavy caliber standpipes 1 have lifted, by baffle plate, bottom heavy caliber standpipe 1 and support bracket 2 are welded as a whole, and excise the hanger of heavy caliber standpipe, carry out butt welding by having lifted the heavy caliber standpipe (1) put in place in this lifting construction;
8. the formal clip 16 interim clip 14 being changed into the annular made with band steel and thicker round steel is used for fixing heavy caliber standpipe 1;
9. until agent structure again constructed about 40 ~ 50 meters time, carry out heavy caliber standpipe 1 lifting construction next time.
Claims (8)
1. the dynamo-electric heavy caliber standpipe of a super highrise building is with the method for main body progress lifting construction, it is characterized in that: agent structure often construct 40 ~ 50 meters time, namely tower crane (10) is utilized to carry out the homogeneous tube lifting construction of a heavy caliber standpipe (1), the length of the homogeneous tube of described heavy caliber standpipe (1) is 10 ~ 15 meters, and its operating procedure comprises:
Step one, the installation site determining heavy caliber standpipe (1) and erection sequence: draw the layout plan of pipe well (9) interior heavy caliber standpipe (1) and vertical layout viewing, vertical and planar arrangement are carried out to heavy caliber standpipe (1) to be installed, determines its installation site and erection sequence;
Step 2, determine heavy caliber standpipe (1) the lifting construction time: determine the engineering time, when making construction, effective sling height of tower crane (10) is greater than the length of the heavy caliber standpipe (1) after processing apart from the height of structure roof (7);
Before step 3, construction, processing process is carried out to heavy caliber standpipe (1): clean out heavy caliber standpipe and stack and processing place, heavy caliber standpipe is processed, comprise the rust cleaning of heavy caliber standpipe, groove finishing, hanger welding, part heavy caliber standpipe cutting with weld, mopping and last label pile up;
The cleaning of step 4, pipe well (9): ensure that vertical pipe well (9) is unblocked up and down;
Step 5, making install the riser cradle (15) of in pipe well (9) every layer: in every stove pipe well (9), riser cradle (15) is installed according to code requirement, for after having lifted and butt welding complete after heavy caliber standpipe (1) fix, pre-embedded steel slab (13) in itself and body of wall welds together, it has preformed hole, for installing interim clip (14) and the formal clip (16) of the annular that diameter and standpipe diameter adapt;
The manufacture and installation of step 6, bottom support bracket (2): the support bracket (2) installing heavy caliber standpipe (1) at the bottom of this lifting construction, for after the construction of heavy caliber standpipe (1) butt welding to the load-bearing of heavy caliber standpipe (1) with fixing;
The layout of step 7, pipe well (9) interior temporary illuminating lamp and installation: illuminating lamp, for ensureing the brightness of constructing in pipe well (9), improves construction quality and working security;
Step 8, prepare to set up the material of temporary support: described temporary support is that in heavy caliber standpipe hoisting process, tower crane (10) needs the support body for temporary fixed standpipe temporarily built time more change steel rope (8), is transported to required floor by setting up temporary support material used;
Step 9, heavy caliber standpipe (1) to be winched to structure roof (7) upper: according to number order, winched to by heavy caliber standpipe (1) in structure roof (7) in batches;
The pre-lifting of step 10, heavy caliber standpipe (1): the hanger hanging heavy caliber standpipe (1) with tower crane (10) slowly lifts by crane, is mentioning and the safety of checkout equipment and technical scheme in moving process; If there is the hidden danger of technology or secure context, stop lifting rectifying and improving immediately, again lift in advance after rectification, until without potential safety hazard;
The formal lifting of step 11, heavy caliber standpipe (1), its method is as follows:
1) slowly lift by crane with the hanger that tower crane (10) hangs heavy caliber standpipe (1), make heavy caliber standpipe (1) level mobile to pipe well (9), after to pipe well (9), hang slowly;
2) temporary support is set up: when tower crane (10) suspension hook has remained wire rope (8) curtailment close to pipe well (9) opening in structure roof (7) or tower crane (10) expects height to make suspension hook drop to, suspend tower crane (10), set up temporary support rapidly, slowly be placed into after on temporary support by heavy caliber standpipe (1), tower crane (10) slowly falls again;
3) adjunction wire rope (8): heavy caliber standpipe (1) to be determined does not act on still after safety and stability by tower crane (10), carries out rapidly the adjunction work of wire rope (8) in structure roof;
4) remove temporary support: after connection, again lift by crane, when heavy caliber standpipe (1) leaves temporary support 1 meter, suspend tower crane (10), rapidly temporary support is removed;
5) tower crane (10) falls again, until lifting is to precalculated position;
Fixing of step 12, heavy caliber standpipe (1): heavy caliber standpipe (1) lifting is to precalculated position, interim clip (14) is used to be fixed on riser cradle (15) by heavy caliber standpipe (1) immediately, after fixing, tower crane (10) continues slowly to decline, relaxed state is in wire rope (8), after determining that heavy caliber standpipe is fixed well, remove wire rope (8);
Step 13, to carry out the lifting of other heavy caliber standpipes of sustained height fixing: repeat step 11 and step 12, carry out the lifting construction of other heavy caliber standpipes of sustained height;
The lifting of step 14, other height heavy caliber standpipes is fixed: after in pipe well (9), the heavy caliber standpipe of sustained height has lifted, repeat step 11 to step 13, carry out the lifting of another height heavy caliber standpipe, integral hoisting order is from lower floor to upper strata, puts in place until the heavy caliber standpipe (1) of the main part of standpipe to be installed all lifts;
The butt welding of step 15, heavy caliber standpipe (1): bottom heavy caliber standpipe (1) and support bracket (2) are welded as a whole by baffle plate, and excise the hanger of heavy caliber standpipe, the heavy caliber standpipe (1) lifted in this lifting construction between each layer of putting in place is carried out butt welding;
Step 10 six, with the fixing heavy caliber standpipe (1) of formal clip (16): interim clip (14) is changed into the formal clip (16) of the annular made with band steel and thicker round steel for fixing heavy caliber standpipe (1);
Step 10 seven, until agent structure again constructed 40 ~ 50 meters time, repeat step one to step 10 six, carry out heavy caliber standpipe (1) lifting construction next time.
2. the dynamo-electric heavy caliber standpipe of a kind of super highrise building according to claim 1 is with the method for main body progress lifting construction, it is characterized in that: described step 2 Large diameter standpipe (1) the lifting construction time has built 12 hours in structure roof (7), now cross-operation amount is less, is the best opportunity that heavy caliber standpipe (1) lifts.
3. the dynamo-electric heavy caliber standpipe of a kind of super highrise building according to claim 1 is with the method for main body progress lifting construction, it is characterized in that: the concrete steps of the cleaning of described step 4 pipe well (9) comprising: template and the scaffold of removing pipe well (9) position, for on-site actual situations, local stiffening is carried out around to pipe well (9) simultaneously, guarantee structure and construction safety.
4. the dynamo-electric heavy caliber standpipe of a kind of super highrise building according to claim 1 is with the method for main body progress lifting construction, it is characterized in that: in described step 7, the installation of pipe well (9) interior temporary illuminating lamp and the concrete grammar of layout are: in every stove pipe well (9), low-voltage lighting is installed, and when formally constructing, every two-layer installation 1 LED bay light, guarantee normal construction throws light on, and no longer repeats to install lighting when the heavy caliber standpipe (1) in later stage pipe well (9) welds.
5. the dynamo-electric heavy caliber standpipe of a kind of super highrise building according to claim 1 is with the method for main body progress lifting construction, it is characterized in that: in described step 11, temporary support is the interim support body set up with plank (5) by frame pipe (4), when setting up, one end of some frame pipes (4) is ridden on the floor (3) of side, the other end rides on the channel-section steel (12) that is fixed on concrete shear force wall (11), lays plank (5) on frame pipe (4).
6. the dynamo-electric heavy caliber standpipe of a kind of super highrise building according to claim 1 is with the method for main body progress lifting construction, it is characterized in that: the support bracket (2) related in described step 6 is trellis rectangle steelframe, comprise rectangular frame and support (21), horizontal support (22) and bearing diagonal (23), the corresponding heavy caliber standpipe (1) of a grid of described trellis rectangular frame, total lattice number and heavy caliber standpipe to be installed (1) number are wanted to adapt to, described frame supported (21), horizontal support (22), all be welded to connect with the pre-embedded steel slab (13) in body of wall with bearing diagonal (23).
7. the dynamo-electric heavy caliber standpipe of a kind of super highrise building according to claim 6 is with the method for main body progress lifting construction, it is characterized in that: the baffle plate (6) being welded with triangle fixation between the upper bottom surface of described support bracket (2) and heavy caliber standpipe (1).
8. the dynamo-electric heavy caliber standpipe of a kind of super highrise building according to claim 6 or 7 any one is with the method for main body progress lifting construction, it is characterized in that: described baffle plate (6) is right-angled triangle, one side weld is connected on heavy caliber standpipe (1), and adjacent one side is welded on heavy caliber standpipe (1) support bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603893.4A CN103603504B (en) | 2013-11-26 | 2013-11-26 | The dynamo-electric heavy caliber standpipe of super highrise building is with the method for main body progress lifting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603893.4A CN103603504B (en) | 2013-11-26 | 2013-11-26 | The dynamo-electric heavy caliber standpipe of super highrise building is with the method for main body progress lifting construction |
Publications (2)
| Publication Number | Publication Date |
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| CN103603504A CN103603504A (en) | 2014-02-26 |
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| CN105888198A (en) * | 2015-01-02 | 2016-08-24 | 华恒建设集团有限公司 | Mounting structure of pipeline in pipeline shaft |
| CN104895174B (en) * | 2015-06-02 | 2016-08-24 | 神州建设集团有限公司 | The construction method of heavy caliber rain sewage conduct assembled modular construction |
| CN105402868B (en) * | 2015-12-21 | 2018-06-29 | 中建三局集团有限公司 | A kind of fixing bracket system for heavy caliber air-conditioning standpipe in high-rise building |
| CN106996196A (en) * | 2017-05-19 | 2017-08-01 | 中国五冶集团有限公司 | A kind of large diameter pipeline integral hoisting construction method |
| CN111364766A (en) * | 2020-03-18 | 2020-07-03 | 中建三局第二建设工程有限责任公司 | Synchronous construction method of vertical pipe along with main structure |
| CN111519911B (en) * | 2020-05-06 | 2021-10-15 | 中铁建设集团北京工程有限公司 | Construction method for mounting lower pipeline of steel truss |
| CN113123560B (en) * | 2021-03-23 | 2022-07-08 | 中建一局集团安装工程有限公司 | Layer-by-layer inverted mounting structure and construction method for ultra-large pipe well chimney |
| CN113251210A (en) * | 2021-05-13 | 2021-08-13 | 山西四建集团有限公司 | Inverted installation construction method for riser of super high-rise tubular well |
| CN114182790A (en) * | 2021-11-25 | 2022-03-15 | 中铁建设集团华东工程有限公司 | Construction method of tube well vertical tube in super high-rise building engineering |
| CN114933231B (en) * | 2022-04-08 | 2023-07-04 | 上海市安装工程集团有限公司 | Calandria bundle hoisting tool and construction method thereof |
| CN115289384B (en) * | 2022-07-13 | 2024-04-16 | 上海江南长兴造船有限责任公司 | Rail type device and method for mounting ultra-large LNG film tank containment system |
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| FI82739C (en) * | 1989-07-19 | 1993-08-03 | Sewatek Ab Oy | channel Construction |
| CN201141483Y (en) * | 2007-12-13 | 2008-10-29 | 中建三局第一建设工程有限责任公司 | Prefabricated composite stand pipe |
| CN102322141A (en) * | 2011-06-30 | 2012-01-18 | 黄先锋 | Concrete embedded die for water supply and drainage pipe riser and mounting position forming and mounting method |
| CN102587654A (en) * | 2012-02-23 | 2012-07-18 | 中国建筑第二工程局有限公司 | Construction method of PVC drainage direct-buried pipe fitting |
| CN103243911A (en) * | 2013-04-03 | 2013-08-14 | 广西建工集团第一建筑工程有限责任公司 | Integral setting and one-step in-position construction method for steel sleeves of inner pipelines of vertical shaft of building |
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