CN109736591A - A kind of ruggedized construction and reinforcement means suitable for building hoist basement roof - Google Patents
A kind of ruggedized construction and reinforcement means suitable for building hoist basement roof Download PDFInfo
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- CN109736591A CN109736591A CN201910136063.2A CN201910136063A CN109736591A CN 109736591 A CN109736591 A CN 109736591A CN 201910136063 A CN201910136063 A CN 201910136063A CN 109736591 A CN109736591 A CN 109736591A
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Abstract
The present invention provides a kind of ruggedized constructions suitable for building hoist basement roof, including connection system for guide rail and hard rubber buffer layer；Connection system for guide rail is arranged on basement bottom board, specially bowl fastening type or Bayenet type steel tube scaffold system, and the upper end is equipped with basement roof, and basement roof is equipped with building hoist；Hard rubber buffer layer is disposed between lifter foundation and basement roof；Connection system for guide rail specifically includes steel pipe support vertical rod, horizon bar and bridging, and horizon bar level is set between upright bar, and bridging is arranged in the outer periphery and internal vertical, horizontal of scaffold frame body；The top and bottom end of steel pipe support vertical rod further respectively have jacking, heelpiece.The present invention also provides a kind of reinforcement means of basement roof.The present invention uses bowl fastening type or spigot-and-socket scaffold system, and cooperates the structures such as jacking, heelpiece, keel, it is ensured that stress transmitting reaches good basement roof consolidation effect.
Description
Technical field
The present invention relates to technical field of building construction more particularly to a kind of adding suitable for building hoist basement roof
Fixing structure and reinforcement means.
Background technique
With the development of the city and the exploitation of the underground space, large size city synthesis gradually increase, underground garage with live
Residence building is connected.In work progress, building hoist be must be necessarily arranged on basement roof, the live load that building hoist generates
Load and impact load, it is hardened to underground ceiling to be configured to adversely affect, in some instances it may even be possible to lead to the cracking of basement roof structure.Cause
This, it is necessary to anti-top support is carried out to the basement roof structure in building hoist basic scope.In this regard, most common branch
Support method is to be reinforced using fashioned iron rigid steel pile or the anti-top support of thick steel pipe, but the two cannot be guaranteed consolidation effect, steel column with
Concrete slab contact is not easy to guarantee closely, to influence instead to push up stressed effect.
Accordingly, be badly in need of at present a kind of consolidation effect be preferably suitable for building hoist basement roof ruggedized construction and
Corresponding reinforcement means.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of consolidation effect with being preferably suitable for building hoist
The ruggedized construction and reinforcement means of lower ceiling plate.
The present invention solves above-mentioned technical problem using following technical scheme:
A kind of ruggedized construction suitable for building hoist basement roof, including connection system for guide rail and hard rubber buffer
Layer；The connection system for guide rail is arranged on basement bottom board, and specially bowl fastening type or Bayenet type steel tube scaffold system, foot
The upper end of hand cradle system is equipped with basement roof, and the top of basement roof is equipped with building hoist；The building hoist
Junction between lifter foundation and basement roof there also is provided hard rubber buffer layer；
The connection system for guide rail specifically includes steel pipe support vertical rod, horizon bar and bridging, the steel pipe support vertical rod structure
At the basic framework of scaffold frame body, horizon bar is horizontally placed between each steel pipe support vertical rod, and bridging is respectively arranged in foot
The outer periphery of hand cradle frame body and internal vertical, horizontal；Wherein, the top Yu bottom end of the steel pipe support vertical rod further respectively have top
It holds in the palm, heelpiece, is provided with keel in jacking, keel directly hold out against the bottom surface in basement roof.
As one of preferred embodiment of the invention, the horizon bar includes longitudinal horizontal rod and horizontal rod, Zong Xiangshui
Flat bar and horizontal rod collectively form the lateral stiffening feature of steel pipe support vertical rod；The bridging include vertical bridging and
Horizontal cross brace, vertical bridging is arranged along 45 degree of angles of surrounding of outside steel pipe support vertical rod, and continuous setting is vertically cut to top
The horizontal cross brace is then provided at the top intersection point plane of knife support；The vertical bridging and horizontal cross brace collectively form
The vertical ruggedized construction of steel pipe support vertical rod.
As one of preferred embodiment of the invention, longitudinal bar of sweeping the floor, bar of laterally sweeping the floor are additionally provided on the connection system for guide rail；
Longitudinal direction bar of sweeping the floor is fixed on apart from basement bottom board using the connection type of bowl fastening type or spigot-and-socket no more than at 200mm
On steel pipe support vertical rod, bar of laterally sweeping the floor then is fixed on the steel pipe support vertical rod below longitudinal bar of sweeping the floor.
As one of preferred embodiment of the invention, the longitudinal direction is swept the floor bar and the bar setting layer of sweeping the floor laterally swept the floor where bar
On be additionally provided with the second horizontal cross brace.
As one of preferred embodiment of the invention, the steel pipe in the connection system for guide rail is all made of Φ 48 × 3.0mm steel pipe,
Bowl fastening type or bayonet joint are used between each steel pipe.
As one of preferred embodiment of the invention, the building hoist is specially the dual-purpose construction of SC200/200 type people's goods
Elevator, specification are 0.65 × 0.65 × 1.508m；The guide rail of the building hoist is set near structural column, guide rail and ground
Face contact face is 0.65 × 0.65m；The size of the lifter foundation is 5600mm × 4200mm, with a thickness of 330mm, concrete
Strength grade is C30.
As one of preferred embodiment of the invention, the hard rubber buffer layer with a thickness of 30mm.
As one of preferred embodiment of the invention, the heelpiece is specially 16# channel steel, and heelpiece puts direction and post-cast strip
In parallel, and elongated setting.
As one of preferred embodiment of the invention, the arrangement range of the connection system for guide rail be specially lifter foundation and its
Every increased 1-1.5m stressing influence range in side；Wherein, the connection system for guide rail at saddle position, post-cast strip position connection system for guide rail
And the size or structure of outer, in reinforcing scope the connection system for guide rail of saddle range are not exactly the same.
As one of preferred embodiment of the invention, in the connection system for guide rail outside the saddle range, in reinforcing scope, each steel
The vertically and horizontally spacing of pipe supported rod erecting is less than or equal to 600 × 600mm, and upright bar step pitch is less than or equal to 1200mm；The jacking
Free end height be no more than 500mm, be provided with 100 × 100mm rough ground or 16# I-shaped steel joist, corresponding keel in jacking
Directly hold out against the bottom surface in basement roof.
As one of preferred embodiment of the invention, in the connection system for guide rail at the saddle position, each steel pipe support vertical rod
Vertically and horizontally spacing is less than or equal to 300 × 300mm, and upright bar step pitch is less than or equal to 1200mm；The free end height of the jacking
No more than 500mm, it is provided with 100 × 100mm rough ground or 16# I-shaped steel joist in jacking to encrypt anti-top and reinforce, encrypts model
Enclose 1.2m × 1.2m.
As one of preferred embodiment of the invention, in the connection system for guide rail at the post-cast strip position, post-cast strip two sides difference
Arrange 2-3 arrange steel pipe support vertical rod, the vertically and horizontally spacing of each steel pipe support vertical rod less than 600 × 600mm, upright bar step pitch be less than or
Equal to 1200mm；The free end height of the jacking is no more than 500mm, is provided with 16# I-shaped steel joist, 16# I-shaped in jacking
Steel joist top is provided with 100 × 100mm rough ground as secondary joist, and secondary joist is directly held out against in the bottom of basement roof
Face.
A kind of reinforcement means suitable for building hoist basement roof, comprises the following specific steps that:
(1) building hoist and its installation site are determined:
According to the vertical cart-load of woods material needs of engineering skyscraper, suitable lifting means, i.e. selection SC200/200 type people's goods are selected
Dual-purpose building hoist；Building hoist is mounted on basement roof, guide rail is arranged near structural column；
(2) lifter foundation is determined:
The actual conditions of the key dimension and scene that are provided according to building hoist service manual, are arranged lifter foundation,
Having a size of the ㎜ of 5600 ㎜ × 4200, with a thickness of 330 ㎜, strength grade of concrete C30；
Meanwhile in order to reduce influence of the building hoist lifting to floor, one layer 30 is laid in the bottom of lifter foundation
The rubber slab of ㎜ thickness makees hard rubber buffer layer；
(3) force analysis, checking computations:
Basement roof beam, plate, the post design bearing capacity of analysis and research building hoist installed position；Analytical calculation is applied
The maximum working load of work elevator；Calculate the difference of basement roof design bearing capacity and construction elevator maximum working load；
(4) unwrapping wire, positioning:
Anti- top reinforcing area is determined according to arrangement and method for construction；Before reinforcing, basement bottom board in region is cleaned out, and pops up
The steel pipe support vertical rod position line guarantees the accurate of upright bar position；
(5) it reinforces:
Ruggedized construction includes connection system for guide rail and above-mentioned hard rubber buffer layer；Wherein, connection system for guide rail is arranged in basement
Between bottom plate and basement roof, and specifically use bowl fastening type or Bayenet type steel tube scaffold system；Connection system for guide rail includes steel
Pipe supported rod erecting, horizon bar and bridging, steel pipe support vertical rod constitute the basic framework of scaffold frame body, and horizon bar is horizontally disposed
Between each steel pipe support vertical rod, bridging is respectively arranged outer periphery and internal vertical, horizontal in scaffold frame body；Steel pipe branch
The top and bottom end for supportting upright bar are also separately installed with jacking, heelpiece, keel are provided in jacking, keel are directly held out against in basement
The bottom surface of top plate；
Reinforcing scope is specially the increased 1-1.5m stressing influence range of lifter foundation and its every side；Wherein, saddle portion
The structure of outer, in reinforcing scope the connection system for guide rail of position, post-cast strip position and saddle range is essentially identical, and difference is such as
Under:
In connection system for guide rail outside the saddle range, in reinforcing scope, the vertically and horizontally spacing of each steel pipe support vertical rod is small
In or equal to 600 × 600mm, upright bar step pitch is less than or equal to 1200mm；The free end height of the jacking is no more than 500mm,
It is provided with 100 × 100mm rough ground in jacking or 16# I-shaped steel joist, corresponding keel are directly held out against under basement roof
Bottom surface；
In the connection system for guide rail at the saddle position, the vertically and horizontally spacing of each steel pipe support vertical rod is less than or equal to 300 ×
300mm, upright bar step pitch are less than or equal to 1200mm；The free end height of the jacking is no more than 500mm, is provided in jacking
100 × 100mm rough ground or 16# I-shaped steel joist are reinforced with encrypting anti-top, encrypt range 1.2m × 1.2m；
In the connection system for guide rail at the post-cast strip position, post-cast strip two sides are respectively arranged 2-3 row's steel pipe support vertical rod, each steel
The vertically and horizontally spacing of pipe supported rod erecting is less than or equal to 1200mm less than 600 × 600mm, upright bar step pitch；The freedom of the jacking
End height is no more than 500mm, is provided with 16# I-shaped steel joist in jacking, 16# I-steel keel top is provided with 100 × 100mm
Rough ground directly holds out against the bottom surface in basement roof as secondary joist, secondary joist；
(6) peace of building hoist, tear open:
Building hoist installation removes and is responsible for progress by professional contingent, special operation workers；
(7) dismounting of lifter foundation:
After building hoist use, the dismounting of lifter foundation is carried out；When dismounting, piecemeal cutting is carried out, and is paid attention to pair
Original structure top plate carries out finished product protection；
(8) dismounting of connection system for guide rail:
After lifter foundation dismounting, scaffold frame body can be from top to bottom removed；The dismounting of scaffold frame body, by " first
Torn open after branch, that props up afterwards first tears open " principle progress；When support removing, fence and caution notice are set in its periphery, and special messenger is sent to see
It keeps, forbids non-operator to enter interior.
Reinforcement principle:
Using the transfer principle and pressure law of power, building hoist load is transmitted on lifter foundation, elevator
The load of floor that basis and basis are contacted passes through supporting rod together and is transmitted on Base isolation system, makes the basement of construction part
Top plate is in the equilibrium state of power；Meanwhile one layer of hard rubber buffer layer is arranged in lifter foundation and basement roof junction,
Influence of the elevator impact lotus to structure can further be reduced.
The present invention compared with prior art the advantages of be:
(1) present invention uses bowl fastening type or spigot-and-socket scaffold system, and cooperates jacking, heelpiece, rough ground (or, I-shaped
Steel joist) etc., it is ensured that stress transmitting reaches and holds out against effect；
(2) structure of the invention is reasonable, quick construction is flexible, applied widely, can be adjusted according to varying environment and reinforce model
It encloses, is especially encountering post-cast strip location arrangements elevator, effect is more excellent；
(3) at low cost, economic benefit, social benefit show huge.
Detailed description of the invention
Fig. 1 is the integral planar layout drawing in embodiment 1 suitable for the ruggedized construction of building hoist basement roof；
Fig. 2 is the whole facade layout drawing in embodiment 1 suitable for the ruggedized construction of building hoist basement roof；
Fig. 3 is the facade layout drawing of post-cast strip position ruggedized construction in embodiment 1.
In figure: 1 is connection system for guide rail, and 11 be scaffold frame body, and 12 be steel pipe support vertical rod, and 121 be jacking, and 1211 be dragon
Bone, 12111 be 16# I-shaped steel joist, and 12112 be 100 × 100mm rough ground, and 122 be 16# channel steel heelpiece, and 13 be level
Bar, 131 be longitudinal horizontal rod, and 132 be horizontal rod, and 14 be bridging, and 141 be vertical bridging, and 142 be horizontal cross
Support, 2 be hard rubber buffer layer, and 3 be basement bottom board, and 4 be basement roof, and 5 be lifter foundation, and 6 be post-cast strip, and 7 be to lead
Frame.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
As shown in Figure 1-3, a kind of ruggedized construction suitable for building hoist basement roof of the present embodiment, including foot
Hand cradle system 1 and hard rubber buffer layer 2.Wherein, connection system for guide rail 1 is arranged on basement bottom board 3, and specially bowl fastening type
Or Bayenet type steel tube scaffold system, the upper end of connection system for guide rail 1 are equipped with basement roof 4, the top of basement roof 4 is equipped with
Building hoist.Junction between the lifter foundation 5 and basement roof 4 of building hoist is disposed with one layer of 30mm thickness
Hard rubber buffer layer 2.
Connection system for guide rail 1 specifically includes steel pipe support vertical rod 12, horizon bar 13 and bridging 14, wherein steel pipe support is vertical
The basic framework of the composition scaffold frame body 11 of bar 12.Horizon bar 13 is horizontally placed between each steel pipe support vertical rod 12, and specific
Including longitudinal horizontal rod 131 and horizontal rod 132, longitudinal horizontal rod 131 and transversely and horizontally 132 bars collectively form steel pipe support
The lateral stiffening feature of upright bar 12.Bridging 14 is arranged in the outer periphery and internal vertical, horizontal of scaffold frame body 11, and specific
Including vertical bridging 141 and horizontal cross brace 142,45 degree of surrounding along outside steel pipe support vertical rod 12 of vertical bridging 141
Angle setting, and continuous setting is then provided with the (arrangement of horizontal cross brace 142 to pushing up at the top intersection point plane of vertical bridging 141
Vertical, horizontal inside scaffold frame body 11)；Above-mentioned vertical bridging 141 and horizontal cross brace 142 collectively form steel pipe support
The vertical ruggedized construction of upright bar 12.The top and bottom end of the steel pipe support vertical rod 12 further respectively have jacking 121,16# channel steel
Heelpiece 122 processed；Keel 1211 are provided in jacking 121, keel 1211 are directly held out against in the bottom surface of basement roof 4；16# slot
Steel heelpiece to put direction parallel with post-cast strip 6, and elongated setting.
Further, the steel pipe in connection system for guide rail 1 is all made of Φ 48 × 3.0mm steel pipe, and bowl is used between each steel pipe
Button or bayonet joint.
Further, it is additionally provided with longitudinal bar (not indicating in figure) of sweeping the floor on connection system for guide rail 1, laterally sweeps the floor bar (in figure not
Mark).Bar of longitudinally sweeping the floor is fixed on apart from basement bottom board 3 using the connection type of bowl fastening type or spigot-and-socket no more than 200mm
On the steel pipe support vertical rod 12 at place, bar of laterally sweeping the floor then is fixed on the steel pipe support vertical rod 12 below longitudinal bar of sweeping the floor.
The longitudinal direction, which is swept the floor, to be additionally provided with the second horizontal cross brace on bar and the bar setting layer of sweeping the floor laterally swept the floor where bar and (does not mark in figure
Show).
Further, building hoist is specially the dual-purpose building hoist of SC200/200 type people's goods, and specification is 0.65 ×
0.65×1.508m；The guide rail of building hoist is set near structural column, and guide rail and ground contact surface are 0.65 × 0.65m；
The size of lifter foundation 5 is 5600mm × 4200mm, with a thickness of 330mm, strength grade of concrete C30.
In addition, the arrangement range about above-mentioned connection system for guide rail 1, is specially that lifter foundation 5 and its every side are increased
1-1.5m stressing influence range；Wherein, the connection system for guide rail 1 at 7 position of saddle, 6 position of post-cast strip connection system for guide rail 1 and lead
The size or structure of outer, in reinforcing scope the connection system for guide rail 1 of 7 range of frame are not exactly the same.
In connection system for guide rail 1 outside 7 range of saddle, in reinforcing scope, the vertically and horizontally spacing of each steel pipe support vertical rod 12
Less than or equal to 600 × 600mm, upright bar step pitch is less than or equal to 1200mm；The free end height of the jacking 121 is no more than
500mm, 100 × 100mm rough ground 12112 or 16# I-shaped steel joist 12111 are provided in jacking 121, and corresponding keel 1211 are straight
It connects and holds out against in the bottom surface of basement roof 4.
In the connection system for guide rail 1 at 7 position of saddle, the vertically and horizontally spacing of each steel pipe support vertical rod 12 is less than or equal to 300
× 300mm, upright bar step pitch are less than or equal to 1200mm；The free end height of the jacking 121 is no more than 500mm, in jacking 121
100 × 100mm rough ground 12112 or 16# I-shaped steel joist 12111 is provided with to reinforce with the anti-top of encryption, encryption range 1.2m ×
1.2m。
In the connection system for guide rail 1 at 6 position of post-cast strip, 6 two sides of post-cast strip are respectively arranged 2-3 row's steel pipe support vertical rod, respectively
The vertically and horizontally spacing of steel pipe support vertical rod 12 is less than or equal to 1200mm less than 600 × 600mm, upright bar step pitch；The jacking 121
Free end height be no more than 500mm, be provided with 16# I-shaped steel joist 12111,16# I-shaped steel joist 12111 in jacking 121
Top is provided with 100 × 100mm rough ground 12112 as secondary joist, and secondary joist is directly held out against in the bottom of basement roof 4
Face.
Principle:
Using the transfer principle and pressure law of power, building hoist load is transmitted on lifter foundation 5, elevator
The load of floor that basis 5 and basis are contacted passes through supporting rod together and is transmitted on Base isolation system, makes the underground of construction part
Ceiling plate 4 is in the equilibrium state of power；Meanwhile arranging that one layer of hard rubber is slow in lifter foundation 5 and 4 junction of basement roof
Layer 2 is rushed, influence of the elevator impact lotus to structure can be further reduced.
Embodiment 2
A kind of reinforcement means suitable for building hoist basement roof of the present embodiment, comprises the following specific steps that:
(1) building hoist and its installation site are determined:
According to the vertical cart-load of woods material needs of engineering skyscraper, suitable lifting means, i.e. selection SC200/200 type people's goods are selected
Dual-purpose building hoist；Building hoist is mounted on basement roof 4, guide rail is arranged near structural column；
(2) lifter foundation is determined:
The actual conditions of the key dimension and scene that are provided according to building hoist service manual, are arranged lifter foundation 5,
Having a size of the ㎜ of 5600 ㎜ × 4200, with a thickness of 330 ㎜, strength grade of concrete C30；
Meanwhile in order to reduce influence of the building hoist lifting to floor, one layer 30 is laid in the bottom of lifter foundation 5
The rubber slab of ㎜ thickness makees hard rubber buffer layer 2；
(3) force analysis, checking computations:
4 beam of basement roof, plate, the post design bearing capacity of analysis and research building hoist installed position；Analytical calculation
The maximum working load of building hoist；Calculate the difference of 4 design bearing capacity of basement roof and construction elevator maximum working load
Value；
(4) unwrapping wire, positioning:
Anti- top reinforcing area is determined according to arrangement and method for construction；Before reinforcing, basement bottom board 3 in region must be cleaned out, and
12 position line of steel pipe support vertical rod is popped up, guarantees the accurate of upright bar position；
(5) it reinforces:
Ruggedized construction includes connection system for guide rail 1 and above-mentioned hard rubber buffer layer 2；Wherein, connection system for guide rail 1 is arranged in underground
Between room bottom plate 3 and basement roof 4, and specifically use bowl fastening type or Bayenet type steel tube scaffold system；Connection system for guide rail 1 wraps
Steel pipe support vertical rod 12, horizon bar 13 and bridging 14 are included, steel pipe support vertical rod 12 constitutes the basic framework of scaffold frame body 11,
Horizon bar 13 is horizontally placed between each steel pipe support vertical rod 12, and bridging 14 was respectively arranged in the outside of scaffold frame body 11 week
Side and internal vertical, horizontal；The top of steel pipe support vertical rod 12 and bottom end are also separately installed with jacking 121, heelpiece, in jacking 121
Keel 1211 are provided with, keel 1211 are directly held out against in the bottom surface of basement roof 4；
Reinforcing scope is specially the increased 1-1.5m stressing influence range of lifter foundation 5 and its every side；Wherein, saddle 7
The structure of outer, in reinforcing scope the connection system for guide rail 1 of position, 6 position of post-cast strip and 7 range of saddle is essentially identical, difference
Locate as follows:
7 range of saddle is outer, in the connection system for guide rail 1 in reinforcing scope, each steel pipe support vertical rod 12 vertically and horizontally between
Away from 600 × 600mm is less than or equal to, upright bar step pitch is less than or equal to 1200mm；The free end height of 121 supports of the top is no more than
500mm, 100 × 100mm rough ground 12112 or 16# I-shaped steel joist 12111 are provided in jacking 121, and corresponding keel 1211 are straight
It connects and holds out against in the bottom surface of basement roof 4；
In the connection system for guide rail 1 at 7 position of saddle, the vertically and horizontally spacing of each steel pipe support vertical rod 12 is less than or equal to
300 × 300mm, upright bar step pitch are less than or equal to 1200mm；The free end height of the jacking 121 is no more than 500mm, jacking
It is provided with 100 × 100mm rough ground 12112 or 16# I-shaped steel joist 12111 in 121 to encrypt anti-top and reinforce, encrypts range
1.2m×1.2m；
In the connection system for guide rail 1 at 6 position of post-cast strip, 6 two sides of post-cast strip are respectively arranged 2-3 row's steel pipe support vertical rod,
The vertically and horizontally spacing of each steel pipe support vertical rod 12 is less than or equal to 1200mm less than 600 × 600mm, upright bar step pitch；The jacking
121 free end height is no more than 500mm, is provided with 16# I-shaped steel joist 12111,16# I-shaped steel joist top in jacking 121
12111 ends are provided with 100 × 100mm rough ground 12112 as secondary joist, and secondary joist is directly held out against under basement roof 4
Bottom surface；
(6) peace of building hoist, tear open:
Building hoist installation removes and is responsible for progress by professional contingent, special operation workers；
(7) dismounting of lifter foundation 5:
After building hoist use, the dismounting of lifter foundation 5 is carried out；When dismounting, piecemeal cutting is carried out, and is paid attention to pair
Original structure top plate carries out finished product protection；
(8) dismounting of connection system for guide rail 1:
After the dismounting of lifter foundation 5, scaffold frame body 11 can be from top to bottom removed；The dismounting of scaffold frame body 11,
It is carried out by " first prop up and tear open afterwards, that props up afterwards first tears open " principle；When support removing, fence and caution notice are set in its periphery, and send
Special messenger guard forbids non-operator to enter interior.
Embodiment 3
A kind of concrete application of above-described embodiment ruggedized construction of the present embodiment:
Ruggedized construction in above-described embodiment is respectively applied to following engineering:
(1) riverfront garden 1#、4#Building engineering is located at Hefei City, the road Wei Wu, Changfeng County and the road Ying Zhou with one voice, and overall floorage is
31357m2, wherein the building 1# is 28 floor frame-shear structure, and building is total 86.3 meters high, and 81.2 meters of accessible roof absolute altitude, the building 4# is 32 floor
Frame-shear structure, building is total 97.9 meters high, and accessible roof absolute altitude is 92.8 meters.Outdoor basement roof is that cast-in-place hollow overlaps building
Plate, plate thickness 550mm, basement clear height 3.7m.According to this engineering high-rise residential engineering masonry construction and fitting-up project amount,
2 dual-purpose building hoists of SC200/200 type people's goods are selected, are limited by construction site, elevator is mounted on basement roof,
Wherein, the building 4# building hoist is mounted at post-cast strip.The engineering went into operation on October 20th, 2013, and on April 12nd, 2015 completes
Work.
(2) it includes 5 11 floor, 1 10 floor, 56 floor, 15 floor house, 53 floor that peace, which builds LongXi mountain villa first stage of the project,
Retail shop, 52176.83 ㎡ of overall floorage, building maximum height are 38.3m；Basement roof is in-situ reinforced concrete slab,
Plate thickness is 300mm, the high 3.8m of underground garage structure layer.The building 7#, 8#, 9#, 10#, 11#, 12#, 19#, 20#, 21# room located underground
On top plate, SCD100/100 type building hoist is selected to be mounted on basement roof, wherein the building 7#, 8#, 9# building hoist
It is mounted at post-cast strip.The engineering went into operation on January 1st, 2015, and on June 1st, 2016 is completed.
(3) it includes 6 eleventh floor residential buildings and 1 underground garage, overall floorage that peace, which builds LongXi mountain villa the second stage of the project,
48839.07㎡.Wherein 31987.89 ㎡ of residential building construction area, building height 32.2m；Basement roof is mixed for cast in place reinforced bar
Solidifying Tulou plate, plate thickness 300mm, the high 3.8m of underground garage structure layer.The building 6#, 7#, 12#, 13#, 17#, 18# ceiling located underground
On plate, SCD100/100 type building hoist is selected to be mounted on basement roof, wherein the building 6#, the building 13# building hoist peace
At post-cast strip.The engineering went into operation on September 15th, 2015, and building hoist is all removed at present.
The riverfront garden 1 constructed by our company#、4#Building engineering and peace are built on the first and second phases of projects basement roof of LongXi mountain villa
The practice test of more building hoists is installed, the technology ensures building hoist basis to be located on building top plate and uses
The construction technology of reinforcing is applied successfully；Compared by technology and economic both sides, it was demonstrated that the technology has safe and reliable, economical
It is applicable in, convenient, flexible feature, provides engineering example for its high-building construction under special operation condition, be worthy to be popularized.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of ruggedized construction suitable for building hoist basement roof, which is characterized in that including connection system for guide rail and firmly
Cushion rubber layer；The connection system for guide rail is arranged on basement bottom board, and specially bowl fastening type or spigot-and-socket steel pipe feet hand
Frame system, the upper end of connection system for guide rail are equipped with basement roof, and the top of basement roof is equipped with building hoist；The construction
Junction between the lifter foundation and basement roof of elevator there also is provided hard rubber buffer layer；
The connection system for guide rail specifically includes steel pipe support vertical rod, horizon bar and bridging, and the steel pipe support vertical rod constitutes foot
The basic framework of hand cradle frame body, horizon bar are horizontally placed between each steel pipe support vertical rod, and bridging is respectively arranged in scaffold
The outer periphery of frame body and internal vertical, horizontal；Wherein, the top Yu bottom end of the steel pipe support vertical rod further respectively have jacking,
Heelpiece is provided with keel in jacking, and keel directly hold out against the bottom surface in basement roof.
2. the ruggedized construction according to claim 1 suitable for building hoist basement roof, which is characterized in that described
Horizon bar includes longitudinal horizontal rod and horizontal rod, and longitudinal horizontal rod and horizontal rod collectively form steel pipe support vertical rod
Lateral stiffening feature；The bridging includes vertical bridging and horizontal cross brace, and vertical bridging is vertical along outside steel pipe support
45 degree of angle settings of surrounding of bar, and continuous setting is then provided with the level at the top intersection point plane of vertical bridging to pushing up
Bridging；The vertical bridging and horizontal cross brace collectively form the vertical ruggedized construction of steel pipe support vertical rod.
3. the ruggedized construction according to claim 1 suitable for building hoist basement roof, which is characterized in that described
Steel pipe in connection system for guide rail is all made of Φ 48 × 3.0mm steel pipe, uses bowl fastening type or bayonet joint between each steel pipe.
4. the ruggedized construction according to claim 1 suitable for building hoist basement roof, which is characterized in that described
Hard rubber buffer layer with a thickness of 30mm.
5. the ruggedized construction according to claim 1 suitable for building hoist basement roof, which is characterized in that described
Heelpiece is specially 16# channel steel, heelpiece to put direction parallel with post-cast strip, and elongated setting.
6. the ruggedized construction according to claim 1 suitable for building hoist basement roof, which is characterized in that described
The arrangement range of connection system for guide rail is specially the increased 1-1.5m stressing influence range of lifter foundation and its every side；Wherein, it leads
Scaffold system outside the connection system for guide rail at frame position, the connection system for guide rail at post-cast strip position and saddle range, in reinforcing scope
The size or structure of system are not exactly the same.
7. the ruggedized construction according to claim 6 suitable for building hoist basement roof, which is characterized in that described
Saddle range is outer, in the connection system for guide rail in reinforcing scope, and the vertically and horizontally spacing of each steel pipe support vertical rod is less than or equal to 600 ×
600mm, upright bar step pitch are less than or equal to 1200mm；The free end height of the jacking is no more than 500mm, is provided in jacking
100 × 100mm rough ground or 16# I-shaped steel joist, corresponding keel directly hold out against the bottom surface in basement roof.
8. the ruggedized construction according to claim 6 suitable for building hoist basement roof, which is characterized in that described
In the connection system for guide rail at saddle position, the vertically and horizontally spacing of each steel pipe support vertical rod is less than or equal to 300 × 300mm, upright bar step
Away from less than or equal to 1200mm；The free end height of the jacking is no more than 500mm, and 100 × 100mm wood dragon is provided in jacking
Bone or 16# I-shaped steel joist are reinforced with encrypting anti-top, encrypt range 1.2m × 1.2m.
9. the ruggedized construction according to claim 6 suitable for building hoist basement roof, which is characterized in that described
In the connection system for guide rail at post-cast strip position, post-cast strip two sides are respectively arranged 2-3 row's steel pipe support vertical rod, each steel pipe support vertical rod
Vertically and horizontally spacing is less than or equal to 1200mm less than 600 × 600mm, upright bar step pitch；The free end height of the jacking is no more than
500mm, is provided with 16# I-shaped steel joist in jacking, 16# I-steel keel top be provided with 100 × 100mm rough ground as time
Keel, secondary joist directly hold out against the bottom surface in basement roof.
10. a kind of reinforcing of the ruggedized construction suitable for building hoist basement roof as described in claim 1-9 is any
Method, which is characterized in that comprise the following specific steps that:
(1) building hoist and its installation site are determined:
According to the vertical cart-load of woods material needs of engineering skyscraper, suitable lifting means is selected, i.e. selection SC200/200 type people's goods is dual-purpose
Building hoist；Building hoist is mounted on basement roof, guide rail is arranged near structural column；
(2) lifter foundation is determined:
The actual conditions of the key dimension and scene that are provided according to building hoist service manual, are arranged lifter foundation, size
For the ㎜ of 5600 ㎜ × 4200, with a thickness of 330 ㎜, strength grade of concrete C30；
Meanwhile in order to reduce influence of the building hoist lifting to floor, it is thick that one layer of 30 ㎜ is laid in the bottom of lifter foundation
Rubber slab make hard rubber buffer layer；
(3) force analysis, checking computations:
Basement roof beam, plate, the post design bearing capacity of analysis and research building hoist installed position；Analytical calculation construction rises
The maximum working load of drop machine；Calculate the difference of basement roof design bearing capacity and construction elevator maximum working load；
(4) unwrapping wire, positioning:
Anti- top reinforcing area is determined according to arrangement and method for construction；Before reinforcing, basement bottom board in region is cleaned out, and pop up steel pipe
The supported rod erecting position line guarantees the accurate of upright bar position；
(5) it reinforces:
Ruggedized construction includes connection system for guide rail and above-mentioned hard rubber buffer layer；Wherein, connection system for guide rail is arranged in basement bottom board
Between basement roof, and specifically use bowl fastening type or Bayenet type steel tube scaffold system；Connection system for guide rail includes steel pipe branch
Upright bar, horizon bar and bridging are supportted, steel pipe support vertical rod constitutes the basic framework of scaffold frame body, and horizon bar is horizontally placed on respectively
Between steel pipe support vertical rod, bridging is respectively arranged outer periphery and internal vertical, horizontal in scaffold frame body；Steel pipe support is vertical
The top and bottom end of bar are also separately installed with jacking, heelpiece, keel are provided in jacking, keel are directly held out against in basement roof
Bottom surface；
Reinforcing scope is specially the increased 1-1.5m stressing influence range of lifter foundation and its every side；Wherein, saddle position, after
The structure for pouring the connection system for guide rail outside with position and saddle range, in reinforcing scope is essentially identical, and difference is as follows:
The saddle range is outer, in the connection system for guide rail in reinforcing scope, the vertically and horizontally spacing of each steel pipe support vertical rod be less than or
Equal to 600 × 600mm, upright bar step pitch is less than or equal to 1200mm；The free end height of the jacking is no more than 500mm, jacking
It is inside provided with 100 × 100mm rough ground or 16# I-shaped steel joist, corresponding keel directly holds out against the bottom surface in basement roof；
In the connection system for guide rail at the saddle position, the vertically and horizontally spacing of each steel pipe support vertical rod is less than or equal to 300 ×
300mm, upright bar step pitch are less than or equal to 1200mm；The free end height of the jacking is no more than 500mm, is provided in jacking
100 × 100mm rough ground or 16# I-shaped steel joist are reinforced with encrypting anti-top, encrypt range 1.2m × 1.2m；
In the connection system for guide rail at the post-cast strip position, post-cast strip two sides are respectively arranged 2-3 row's steel pipe support vertical rod, each steel pipe branch
The vertically and horizontally spacing of upright bar is supportted less than 600 × 600mm, upright bar step pitch is less than or equal to 1200mm；The free end of the jacking is high
Degree is no more than 500mm, and 16# I-shaped steel joist is provided in jacking, and 16# I-steel keel top is provided with 100 × 100mm wood dragon
Bone directly holds out against the bottom surface in basement roof as secondary joist, secondary joist；
(6) peace of building hoist, tear open:
Building hoist installation removes and is responsible for progress by professional contingent, special operation workers；
(7) dismounting of lifter foundation:
After building hoist use, the dismounting of lifter foundation is carried out；When dismounting, piecemeal cutting is carried out, and pays attention to tying original
Structure top plate carries out finished product protection；
(8) dismounting of connection system for guide rail:
After lifter foundation dismounting, scaffold frame body can be from top to bottom removed；The dismounting of scaffold frame body is pressed and " is first propped up
After tear open, that props up afterwards first tears open " principle carry out；When support removing, fence and caution notice are set in its periphery, and special messenger is sent to guard,
Non-operator is forbidden to enter interior.
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| CN201910136063.2A CN109736591A (en) | 2019-02-25 | 2019-02-25 | A kind of ruggedized construction and reinforcement means suitable for building hoist basement roof |
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| CN110485458A (en) * | 2019-07-17 | 2019-11-22 | 武汉科技大学 | A kind of steel lattice column support device to return back to top for construction elevator basis |
| CN111042594A (en) * | 2019-12-28 | 2020-04-21 | 山东天齐置业集团股份有限公司 | Construction process of elevator foundation at post-cast strip position of garage top plate settlement |
| CN113482394A (en) * | 2021-08-06 | 2021-10-08 | 中建三局集团(深圳)有限公司 | Structural beam plate back-jacking reinforcing method |
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