CN114775700B - System and method for treating sedimentation difference between bottom plate of garbage pool and frame column foundation of discharging platform - Google Patents
System and method for treating sedimentation difference between bottom plate of garbage pool and frame column foundation of discharging platform Download PDFInfo
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 321
- 238000007599 discharging Methods 0.000 title claims abstract description 83
- 238000004062 sedimentation Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 17
- 239000004567 concrete Substances 0.000 claims description 12
- 239000011150 reinforced concrete Substances 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000006378 damage Effects 0.000 description 10
- 238000003860 storage Methods 0.000 description 7
- 238000005336 cracking Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000007797 corrosion Effects 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- 231100000331 toxic Toxicity 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/38—Foundations for large tanks, e.g. oil tanks
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/166—Landings, receiving platforms
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- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a system and a method for treating sedimentation difference of a garbage pool bottom plate and a frame column foundation of a discharging platform, wherein the garbage pool, a peripheral frame and the discharging platform are constructed in a first stage by removing a part of a connecting span of the discharging platform and the garbage pool, the discharging platform is connected with a cross floor of the garbage pool, the discharging platform is connected with a cross frame beam of the garbage pool, the garbage pool is constructed in a second stage, and water injection pre-sedimentation treatment is carried out when the garbage pool is constructed to a preset height; the unloading platform is connected with the garbage pool and spans the bracket top of the frame beam support at the side of the garbage pool frame column, and a rotating seam with a preset width is reserved between the unloading platform and the garbage pool and spans the frame beam and the garbage pool frame column; the discharging platform is connected with the garbage pool and spans the top of the lug on the side of the frame beam of the side wall of the garbage pool, and a rotating seam with a preset width is reserved between the discharging platform and the frame beam of the side wall of the garbage pool; the invention saves the construction period and the cost of foundation treatment, can only connect the unloading platform to the second stage for construction in the water injection pre-pressing stage, can continuously construct the garbage pool and other areas of the unloading platform, and reduces the engineering construction period.
Description
Technical Field
The invention relates to the technical field of garbage power plants, in particular to a garbage pool bottom plate and unloading platform frame column foundation settlement difference treatment system and method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The garbage power plant has the advantages of remarkable advantages, capability of utilizing wastes, capability of converting the wastes into electric energy to supply power for the production and life of people, environmental protection and no pollution, and is a clean energy advocated by China at present. The unloading and garbage storing room is an important building in a garbage power plant, and is an important structure for transporting and storing garbage, so that harmful substances in a garbage pool are completely sealed and are not leaked, and the structure has extremely high requirements on safety and applicability.
The unloading hall and the garbage storage room mainly comprise a garbage pool, a stokehold platform frame and a unloading platform part frame, and generally adopt a reinforced concrete frame bent structure, the connecting node of a traditional unloading hall platform frame beam and a garbage pool buttress column adopts rigid connection, and the unloading platform frame beam is anchored into the garbage pool buttress column by a stress steel bar, as shown in figure 1; and the floor slab of the unloading platform and the side wall of the garbage pool are integrally poured, and the stressed steel bars of the floor slab of the unloading platform are anchored into the side wall of the garbage pool. The garbage pool is arranged at the bottom of the garbage storage room and adopts a box-type structure, and as the garbage load in the garbage pool is larger, and the furnace front platform is provided with a plurality of layers of floors, the equipment load and the running load on the floors are larger, so that the foundation settlement below the bottom plate of the garbage pool is larger; the load on the unloading platform is smaller, no equipment is arranged, and the foundation settlement below the frame column foundation of the unloading platform is much smaller than that below the garbage pool and is about 30% of the bottom plate of the garbage pool; eventually, the sedimentation difference between the garbage pool and the unloading platform exceeds the standard allowable value to cause a plurality of damages. The settlement difference of adjacent foundations is also regulated in the building foundation design rule, the settlement difference of the adjacent foundations of the frame structure is 0.002L, wherein L is the center-to-center distance between the adjacent foundations, and the settlement difference between the bottom plate of the garbage pool between the unloading and garbage storage without foundation treatment and the frame column foundation of the unloading platform is usually beyond the limit value.
The excessive sedimentation difference between the bottom plate of the garbage pool and the foundation of the discharging platform can cause excessive additional stress in the structure, wherein the additional stress is shear stress and hogging moment, and one side in loose contact is subjected to the action of the shear stress generated by building load (axial force), so that the garbage pool, the bottom plate and the foundation of the discharging platform generate vertical relative displacement, and the structure is subjected to unexpected stress. When the structure is not resistant to stress, the damage of the column, the crack of the wall of the garbage pool, the crack of the floor slab and the damage of other connecting nodes can be caused, and even the instability and collapse of the whole factory building structure can be caused, so that engineering accidents are caused.
The traditional connecting joint of the discharging hall platform frame beam and the garbage pool frame column adopts rigid connection, and the discharging hall frame beam is anchored into the garbage pool buttress column by stress steel bars; and the unloading platform floor slab and the garbage pool side wall are integrally poured, and the stressed steel bars of the unloading platform floor slab are anchored into the garbage pool side wall, so that the rotation capacity between the unloading platform frame beam and the garbage pool wall or the pool wall frame beam is limited after the integral pouring is finished as shown in fig. 2 and 3. When differential settlement exists between the garbage pool bottom plate and the unloading platform foundation, the connection part is completely rigid connection, so that the rotational deformation capacity of the connection node is limited, larger additional bending moment and additional stress can be generated, the stress of the garbage pool wall, the garbage pool frame column and the unloading platform frame column and the frame beam is increased, cracks and even stress damage and collapse can be caused to the structural members when the stress is severe, harmful liquid and gas in the garbage pool can leak into underground water and air, the ecological environment is damaged, and the health of nearby residents is also damaged.
The excessive sedimentation difference generated by the garbage pool bottom plate and the unloading platform foundation can also cause cracking of non-structural components such as filling walls, suspended ceilings and other maintenance structures, and the service functions of the building and the attractive appearance of the building are affected. The excessive sedimentation difference generated by the garbage pool bottom plate and the unloading platform foundation can also cause cracking of the garbage pool wall anti-corrosion layer and the waterproof layer, and the strong corrosive liquid in the garbage pool can cause corrosion to the steel bars and the concrete to cause cracking of the pool wall, so that the toxic liquid in the garbage pool permeates into the underground water, or the integral structure is seriously damaged.
In order to eliminate the excessive sedimentation difference generated by the garbage pool bottom plate and the unloading platform foundation, the traditional method generally adopts foundation treatment schemes such as a cast-in-place pile, a PHC pipe pile and the like, as shown in fig. 4, the required pile foundation engineering amount is huge, the construction time is long, the cost is high, the whole construction period of the engineering is influenced, and the construction cost is increased.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a system and a method for treating sedimentation difference between a garbage pool bottom plate and a frame column foundation of a discharging platform, wherein the garbage pool and the discharging platform are constructed in stages, the discharging platform and the garbage pool are connected in a temporary mode, the water injection method in the garbage pool is adopted to finish the preliminary sedimentation in the first stage, the water closing test of the garbage pool can be finished, and whether the pool wall of the garbage pool has a leaking place or not is checked; the settlement of the first stage can finish 60% of the total settlement of the bottom plate of the garbage pool, so that the settlement difference between the bottom plate of the garbage pool and the foundation of the discharging platform is greatly reduced, and the construction of the second stage is carried out after the settlement of the first stage is finished, namely the construction of the connecting span of the discharging platform and the garbage pool, and the settlement of the second stage is carried out on the foundation, so that the settlement difference between the bottom plate of the garbage pool and the foundation of the discharging platform is largely eliminated because the total settlement of 50% -60% of the garbage pool in the first stage is finished; meanwhile, the connecting span of the discharging platform is connected with the frame column and the wall of the garbage pool in an incomplete rigid way, so that additional stress caused by sedimentation difference can be avoided, and the structural stress is reasonable; the invention saves the construction period and the cost of foundation treatment, can only connect the unloading platform to the second stage for construction in the water injection pre-pressing stage, can continuously construct the garbage pool and other areas of the unloading platform, and reduces the engineering construction period.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The invention provides a sedimentation difference treatment system for a garbage pool bottom plate and a frame column foundation of a discharging platform.
A disposal system for sedimentation difference between a garbage pool bottom plate and a frame column foundation of a discharging platform at least comprises:
The garbage pool, the discharging platform and the garbage pool are connected across the floor slab, and the discharging platform and the garbage pool are connected across the frame beam; the garbage pool, the peripheral frames and the unloading platform are subjected to first-stage construction by removing the part of the unloading platform, which is connected with the garbage pool, and the cross floor slab, which is connected with the unloading platform, and the cross frame beam, which is connected with the garbage pool, are subjected to second-stage construction, and the garbage pool is subjected to water injection pre-sedimentation treatment when the construction reaches a preset height;
The unloading platform is connected with the garbage pool and spans the bracket top of the frame beam support at the side of the garbage pool frame column, and a rotating seam with a preset width is reserved between the unloading platform and the garbage pool and spans the frame beam and the garbage pool frame column;
The discharging platform is connected with the garbage pool and spans the floor to support the top of the lug on the side of the frame beam of the side wall of the garbage pool, and a rotating seam with a preset width is reserved between the discharging platform and the frame beam of the side wall of the garbage pool.
As an alternative implementation mode, the bottom plate of the garbage pool is a reinforced concrete raft foundation, and the effect of the bottom plate is to transfer the load on the upper parts of frames in and around the garbage pool to the foundation, the load born by the bottom plate is larger, and the foundation settlement caused by the larger load is 2-3 times of that caused by the larger foundation settlement under the frame column foundation of the unloading platform.
As an alternative implementation manner, the frame column foundation of the unloading platform is generally a reinforced concrete independent foundation, and the function is to transfer the load on the unloading platform to the foundation; the foundation settlement below the frame column foundation of the unloading platform is much smaller than that of the bottom plate of the garbage pool, and great settlement difference exists, so that great harm is caused to structural members and maintenance structures.
As an alternative implementation manner, the cross-floor of the unloading platform and the garbage pool is a reinforced concrete floor of the cross-floor of the unloading platform and the garbage pool, the reinforced concrete floor bears the load on the unloading platform, and the thickness is generally 200-250mm.
As an alternative implementation manner, the frame beam connected with the garbage pool by the unloading platform is a reinforced concrete beam connected with the frame column of the garbage pool by the unloading platform, and the reinforced concrete beam bears the load on the unloading platform.
As an optional implementation manner, the incomplete rigid connection between the unloading platform frame beam and the garbage pool frame column comprises: the longitudinal ribs of the cross-frame beam connected with the garbage pool are not anchored into the frame column of the garbage pool any more, the cross-frame beam connected with the garbage pool is supported at the top of the bracket at the side of the frame column of the garbage pool, and pouring is carried out in stages, and a 20mm rotating seam is reserved between the cross-frame beam connected with the garbage pool and the frame column of the garbage pool; compared with the traditional complete rigid connection method, the incomplete rigid connection method in the invention enables the connection node to have certain rotation capability, can eliminate the additional stress generated when the garbage pool bottom plate and the unloading platform frame column foundation are subjected to differential settlement, and avoids the structural members and the peripheral protection structure from being damaged due to excessive additional stress.
As an optional implementation manner, the incomplete rigid connection between the discharging platform floor slab and the refuse tank wall frame beam comprises: the discharging platform is connected with the garbage pool, the longitudinal ribs of the cross-floor are not anchored into the frame beams of the side wall of the garbage pool any more, the discharging platform is connected with the garbage pool, the cross-floor is supported at the top of the picking lugs on the side of the frame beams of the side wall of the garbage pool, and pouring is carried out in stages, and a 20mm rotating seam is reserved between the cross-floor and the frame beams of the side wall of the garbage pool; compared with the traditional complete rigid connection method, the incomplete rigid connection method in the invention enables the connection node to have certain rotation capability, can eliminate additional stress generated when the garbage pool bottom plate and the unloading platform frame column foundation are subjected to differential settlement, and avoids damage to structural members and the peripheral protection structure due to excessive additional stress.
As an alternative implementation mode, the bracket at the column side of the frame column of the garbage pool is of a concrete structure, the length is selected to be a preset distance, and the width and the height are calculated according to the load transmitted by the frame beam of the garbage pool connection.
As an alternative implementation mode, the bottom of the U-shaped steel bar reserved at the top of the bracket at the side of the frame column of the garbage pool is anchored into the bracket at the side of the frame column of the garbage pool by a preset distance, the upper end of the U-shaped steel bar is exposed by the preset distance, and the U-shaped steel bar is poured simultaneously with the unloading platform and the frame-crossing beam connected with the garbage pool in the later stage; the U-shaped steel bars are reserved at the tops of the corbels on the side of the frame column of the garbage pool and are used for bearing horizontal force generated at the joint of the corbels on the side of the frame column of the garbage pool, the unloading platform and the garbage pool, which is connected with the cross-frame beam, so that the capacity of bearing the horizontal force of the connecting node is increased.
As an alternative implementation mode, the side picking lugs of the side frame beam of the garbage pool are long-strip-shaped concrete structures of the side frame beam of the garbage pool, and the length of the long-strip-shaped concrete structures is the same as that of the unloading platform.
As an alternative implementation mode, a reinforcing steel bar is reserved at the top of the cantilever lug on the side frame beam side of the garbage pool, the lower end of the reinforcing steel bar is anchored into the cantilever lug on the side frame beam side of the garbage pool, the upper end of the reinforcing steel bar is exposed out by a preset distance, the distance is preset along the length of the cantilever lug, and the reinforcing steel bar is connected with a discharging platform and the garbage pool and is poured across a floor slab at the later stage; the reinforcing steel bars are reserved at the tops of the side frame beam side lugs of the garbage pool and are used for bearing horizontal force generated at the joint of the side frame beam side lugs of the garbage pool, the supporting and unloading platform and the garbage pool, and the joint is connected across the floor slab, so that the capacity of bearing the horizontal force of the joint is increased.
As an optional implementation manner, the reserved dowel bars of the frame-crossing beam connected with the unloading platform and the garbage pool are longitudinal stress rebars of the frame-crossing beam connected with the unloading platform and the garbage pool reserved on the frame column side of the unloading platform in advance, after the water injection in the first stage is pre-settled and stabilized, batch unloading is carried out, and then the unloading platform and the garbage pool are poured to be connected with the frame-crossing beam.
As an optional implementation manner, the pre-reserved dowel bars for connecting the unloading platform with the garbage pool are longitudinal stress rebars for connecting the unloading platform with the garbage pool and crossing the frame beam on the frame beam side of the unloading platform in advance, and after the pre-sedimentation stabilization of the water injection in the first stage, the unloading platform is poured and connected with the garbage pool and crossing the floor.
The second aspect of the invention provides a method for treating sedimentation difference between a bottom plate of a garbage pool and a frame column foundation of a discharging platform.
A disposal method for sedimentation difference between a garbage pool bottom plate and a frame column foundation of a discharging platform comprises first-stage construction and second-stage construction;
The first stage construction includes: the garbage pool and the peripheral frame part of the garbage pool, the unloading platform are removed from the part, which is connected with the garbage pool, outside the cross region, the side wall frame beam of the garbage pool is reserved with the picking lugs and reserved steel bars at the tops of the picking lugs, the frame column of the garbage pool is reserved with the bracket and reserved steel bars at the tops of the bracket, and meanwhile, the unloading platform is reserved at the side of the unloading platform and is connected with the garbage pool by steel bars which cross the floor slab and the frame beam;
when the garbage pool is constructed to be above a first distance, water is injected into the garbage pool, the foundation soil below the bottom plate of the garbage pool is pre-pressed, the water injection pre-pressing time is longer than a preset value, and at the moment, the cross-region connection between the discharging platform and the garbage pool is not poured yet;
the second stage construction comprises the following steps: after the bottom plate of the garbage pool finishes the first-stage sedimentation under the water injection pressure in the garbage pool, pouring a cross floor connected with the unloading platform and the garbage pool and connecting the unloading platform with a cross frame beam;
and after the whole garbage pool, the peripheral frame and the unloading platform are completely constructed, carrying out second-stage sedimentation by utilizing the actual constant load and the active load of the structure.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the dumping platform and the garbage storage space are poured in stages, and the settlement of the first stage of the garbage pool bottom plate is finished in advance by adopting a water injection pre-pressing mode, so that the settlement difference between the garbage pool bottom plate and the dumping platform frame column can be reduced, the excessive settlement difference is prevented from generating larger additional stress in the structure, and the safety of structural members and the whole structure is ensured.
2. According to the invention, the unloading platform is connected with the garbage pool and spans the floor slab and the frame beam to serve as a second-stage pouring part, and when sedimentation occurs in the first stage, the garbage pool and the unloading platform are two independent structural units, so that the damage of a connection area between the unloading platform and the side wall of the garbage pool and between the unloading platform and the frame column of the garbage pool due to additional stress generated by overlarge sedimentation difference is avoided.
3. According to the invention, the U-shaped steel bars reserved at the tops of the bracket at the side of the frame column of the garbage pool can bear horizontal force generated at the joint of the bracket at the side of the frame column of the garbage pool, the unloading platform and the cross-frame beam of the garbage pool, so that the capacity of bearing the horizontal force of the connecting joint is increased.
4. According to the invention, the reserved reinforcing steel bars at the tops of the side frame beam side lugs of the garbage pool are used for bearing horizontal force generated at the joints of the side frame beam side lugs of the garbage pool, the supporting and unloading platform and the garbage pool, and the cross-floor slab, so that the capacity of the joints for bearing the horizontal force is increased.
5. The treatment scheme reduces the sedimentation difference between the bottom plate of the garbage pool and the frame column foundation of the unloading platform, avoids cracking or damage of the side wall of the garbage pool and the anti-corrosion waterproof layer of the side wall caused by additional stress generated by overlarge sedimentation difference, ensures the impermeability of the wall of the garbage pool, and prevents environmental pollution and ecological damage caused by infiltration of harmful liquid in the garbage pool into groundwater.
6. The treatment scheme reduces the sedimentation difference between the bottom plate of the garbage pool and the frame column foundation of the unloading platform, and avoids the influence on the use function and the appearance effect of the building caused by the cracking of the inner wall and the outer wall due to the additional stress generated by overlarge sedimentation difference.
7. In the invention, the unloading platform and the garbage pool are connected across the floor slab and the frame beam, the garbage pool side wall and the garbage pool frame column are in incomplete rigid connection, and when differential settlement is generated between the garbage pool bottom plate and the unloading platform frame column foundation, certain rotation capacity exists at the connecting node, so that additional stress generated by differential settlement can be released, and cracks and even damage caused by the connecting node and the connected structural members are avoided.
8. The first-stage pre-sedimentation is completed by adopting a method of injecting water into the garbage pool, and the construction method is environment-friendly and energy-saving and does not pollute the environment. The water in the garbage pool is also used as fire-fighting water to cope with sudden fire during construction, so that the construction is ensured to be complete; and after the first-stage pre-sedimentation is finished, the water in the garbage pool can be recycled, so that water resources are saved. In addition, the invention adopts water as the pre-pressing material, and has the advantage of uniform pressing compared with other pre-pressing materials such as crushed stone, sand bags and the like.
9. The first-stage pre-sedimentation is completed by adopting the method of injecting water into the garbage pool, and can be used as a water-closing test of the garbage pool, and the leakage condition of the side wall of the garbage pool is observed during the period, so that the problems can be found out in time, and the waterproof and anti-leakage performances of the garbage pool are further ensured.
10. Compared with the traditional pile foundation method, the method for treating the overlarge sedimentation difference greatly reduces construction cost and engineering cost.
11. The treatment method can continuously construct the upper structure during the settlement of the first stage, and compared with the traditional pile foundation treatment scheme, the treatment method greatly shortens the construction period.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a schematic diagram of the positional relationship between a discharging platform and a garbage pool provided in the background art.
Fig. 2 is a schematic diagram of connection between a frame beam of a discharge platform and a buttress of a refuse chute provided in the background art.
Fig. 3 is a schematic diagram of the connection between a discharging platform frame floor and a refuse chute side wall provided in the background art.
Fig. 4 is a schematic view of foundation treatment provided in the background art.
Fig. 5 is a schematic view of the unloading platform of the garbage power plant and the first stage construction part of the garbage and storage room.
FIG. 6 is a schematic view of the unloading platform of the refuse power plant and the refuse and storage room after the second stage construction section is completed.
FIG. 7 is a schematic plan view of the discharge platform of the refuse power plant and the second stage construction section of the refuse and storage room.
Fig. 8 is a detailed view of the connection of the frame beam and the cross frame beam of the connection of the bracket on the side of the frame column of the garbage pool and the discharging platform.
Fig. 9 is a detailed view of the connection of the garbage pool side wall frame beam side picking lugs and the unloading platform and the garbage pool cross-frame floor slab.
Fig. 10 shows a reserved dowel bar of the cross-frame beam connected with the garbage pool by the discharging platform.
FIG. 11 shows a discharge platform connected with a waste pool across floor reserved dowel bars.
5-11, 1-Waste pool floor; 2-unloading a platform frame column foundation; 3-supporting brackets at the column sides of the frame columns of the garbage pool; 4-reserving U-shaped steel bars at the tops of bracket at the side of the frame column of the garbage pool; 5-picking lugs on the side frame beam side of the side wall of the garbage pool; 6, reserving reinforcing steel bars at the tops of the side frame beam side lugs of the garbage pool; 7-reserving dowel bars for connecting the discharging platform with the garbage pool and crossing frame beams; 8-connecting a discharging platform with a garbage pool, and reserving dowel bars across the floor slab; the 9-unloading platform is connected with the garbage pool across the floor slab; and the 10-unloading platform is connected with the garbage pool and spans the frame beam.
Detailed Description
The invention will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Embodiments of the invention and features of the embodiments may be combined with each other without conflict.
Example 1:
as shown in fig. 5 and 6, the embodiment provides a method for treating a sedimentation difference between a bottom plate of a garbage pool and a frame column of a discharging platform of a garbage power plant, which comprises the following steps: the garbage pool comprises a garbage pool bottom plate 1, a discharging platform frame column foundation 2, a garbage pool frame column side bracket 3, a garbage pool frame column side bracket top reserved U-shaped steel bar 4, a garbage pool side wall frame beam side picking lug 5, a garbage pool side wall frame beam side picking lug top reserved steel bar 6, a discharging platform and garbage pool connection span frame beam reserved dowel 7, a discharging platform and garbage pool connection span floor reserved dowel 8, a discharging platform and garbage pool connection span floor 9, and a discharging platform and garbage pool connection span frame beam 10.
A first stage construction section comprising: the garbage pool bottom plate 1, the side wall, the peripheral frame part and the unloading platform are used for removing other area components of the unloading platform and the garbage pool connecting span, the picking lugs 5 and the reserved reinforcing steel bars 6 at the tops of the picking lugs are reserved on the frame beams of the side wall of the garbage pool, the corbels 3 and the reserved reinforcing steel bars 4 at the tops of the corbels are reserved on the frame columns of the garbage pool, meanwhile, the unloading platform is reserved on the side of the unloading platform, the unloading platform and the garbage pool are connected with the cross-frame beam dowel bars 7 and the dowel bars 8 of the floor slab, and the construction part in the first stage is shown in fig. 5.
The bracket 3 at the column side of the frame column of the garbage pool is of a concrete structure, the length of the bracket is generally 500mm, and the width and the height of the bracket are calculated according to the load transmitted by the frame beam of the garbage pool connection span.
U-shaped steel bars 4 are reserved at the top of the bracket 3 on the side of the frame column of the garbage pool, the lower end of the U-shaped steel bars is anchored into the bracket 3 on the side of the frame column of the garbage pool by about 500mm, the upper end of the U-shaped steel bars is exposed by about 500mm, and the cross-frame beam 10 is simultaneously poured after the post-stage and unloading platform is connected with the unloading platform and the garbage pool. The bracket 3 at the column side of the frame column of the garbage pool and the reserved U-shaped steel bar 4 at the top are shown in figure 8.
The garbage pool side wall frame beam side picking lug 5 is of a garbage pool side wall frame beam side strip-shaped concrete structure, the length is the same as the length of the unloading platform, the outward picking length is generally 250mm, and the height is 300mm. The lower end of the reserved reinforcing steel bar 6 at the top of the side frame beam side lug 5 of the garbage pool is anchored into the side frame beam side lug 5 of the garbage pool, the upper end of the reserved reinforcing steel bar is exposed for about 100mm, the cross floor slab is connected with the unloading platform and the garbage pool in the later period, and the reserved reinforcing steel bar 6 at the top and the side frame beam side lug 5 of the garbage pool are cast simultaneously, as shown in figure 9.
The frame beam is spanned in the connection of the unloading platform and the garbage pool, and the reserved dowel bars 7 are longitudinal stress steel bars of the frame beam, which are connected with the garbage pool, are reserved on the frame column side of the unloading platform in advance, the steel bar joints are mechanically connected in a level II, the steel bars are staggered and cut off, the area percentage of the steel bar joints in the same connecting section is not more than 50%, as shown in fig. 10, and the unloading platform and the garbage pool are poured to be connected with the frame beam after the first-stage water injection pre-sedimentation stabilization.
The discharging platform is connected with the garbage pool and spans the floor reserved dowel bars, so that the discharging platform is reserved on the side of the frame beam of the discharging platform in advance and is connected with the garbage pool and spans the longitudinal stressed steel bars of the frame beam, the steel bar joints are mechanically connected to form a second level, the steel bars are staggered and cut off, and the area percentage of the steel bar joints in the same connecting section is not greater than 50%, as shown in fig. 11. And after the water injection pre-sedimentation is stabilized in the first stage, the pouring and unloading platform is connected with the garbage pool to span the floor.
The first stage water injection pre-sedimentation is to inject water into the garbage pool to a height of 6 meters when the garbage pool is constructed to be more than 7 meters, pre-compaction is carried out on foundation soil below the bottom plate of the garbage pool, and the water injection pre-compaction time is not less than three months, so that a part of sedimentation is finished in advance. The unloading should be performed in three times with 10 days interval. During winter construction, measures for preventing the water in the pool from freezing should be taken. When the pre-pressing scheme is implemented, the construction unit should take corresponding construction guarantee measures to ensure the construction safety and personnel safety.
The second stage construction part is as follows: after the bottom plate of the garbage pool is settled in the first stage under the water injection pressure in the garbage pool, a cross floor 9 is connected with the garbage pool by a pouring and discharging platform, and a cross frame beam 10 is connected with the garbage pool by a discharging platform, fig. 6 is structural elevation arrangement after the construction of the second part is completed, and the shaded part in fig. 7 is the plane range of the construction part of the second part.
The frame beam 10 is striden in the connection of discharge platform and rubbish pond and is reserved 20mm seam with rubbish pond frame post junction, and the roof beam longitudinal reinforcement is not anchored in the rubbish pond frame post, and the U-shaped reinforcing bar 4 of rubbish pond frame post side bracket top is pour in discharge platform and rubbish pond connection frame beam 10, as shown in fig. 8.
20Mm seams are reserved at the joints of the discharging platform and the garbage pool, which are connected with the cross floor slab 9, and the frame beams of the side wall of the garbage pool, longitudinal steel bars of the plates are not anchored into frame columns of the garbage pool, and steel bars 5 on the frame beams of the side wall of the garbage pool are poured into the discharging platform and the cross floor slab 9, which are connected with the garbage pool, as shown in fig. 9.
When the discharging platform is connected with the garbage pool and the floor slab 9 and the frame beam 10 in the cross area are connected with the beams and columns on the discharging platform side, the beams and columns on the discharging platform side are all roughened in the heights of the beams and the plates, the thickness of the plates is not less than 10mm, the plates are removed, fresh coarse bones are cleaned up, the plates are fully wetted, the interface agent is brushed before pouring, and concrete is poured before the concrete interface agent is hardened, as shown in fig. 10 and 11.
The second stage structure is settled under constant load and live load, comprising: and after the whole garbage pool, the peripheral frame and the unloading platform are completely constructed, the structure is subjected to actual constant load and movable load to generate sedimentation.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a rubbish pool bottom plate and platform frame post basis differential settlement processing system of unloading which characterized in that:
At least comprises:
The garbage pool, the discharging platform and the garbage pool are connected to span a floor slab and the discharging platform and the garbage pool are connected to span a frame beam, wherein the garbage pool and the peripheral frame and the discharging platform are constructed in a first stage except for the part of the discharging platform, which is connected to span the garbage pool, and the discharging platform and the garbage pool are connected to span the frame beam to perform a second stage construction, and the garbage pool is subjected to water injection pre-sedimentation treatment when the garbage pool is constructed to a preset height;
The unloading platform is connected with the garbage pool and spans the bracket top of the frame beam support at the side of the garbage pool frame column, and a rotating seam with a preset width is reserved between the unloading platform and the garbage pool and spans the frame beam and the garbage pool frame column;
The discharging platform is connected with the garbage pool and spans the top of the lug on the side of the frame beam of the side wall of the garbage pool, and a rotating seam with a preset width is reserved between the discharging platform and the frame beam of the side wall of the garbage pool;
The bracket at the side of the frame column of the garbage pool is of a concrete structure, the lower end of a reserved U-shaped steel bar at the top of the bracket at the side of the frame column of the garbage pool is anchored into the bracket at the side of the frame column of the garbage pool by a preset distance, and the upper end of the reserved U-shaped steel bar is exposed by the preset distance;
The side picking lugs of the side frame beam of the garbage pool are long-strip-shaped concrete structures of the side frame beam of the garbage pool, and the length of the side frame beam of the garbage pool is the same as that of the unloading platform;
The top of the lug is reserved on the side frame beam side of the garbage pool, the lower end of the reserved steel bar is anchored into the lug on the side frame beam side of the garbage pool, the upper end of the reserved steel bar is exposed out for a preset distance, the preset distance is reserved along the length of the lug, and the reserved steel bar and the unloading platform are connected with the garbage pool to span a floor slab for simultaneous pouring.
2. The refuse receptacle floor and discharge platform frame column foundation settlement difference processing system of claim 1, wherein:
The bottom plate of the garbage pool is a reinforced concrete raft foundation, and the unloading platform frame column foundation is a reinforced concrete independent foundation.
3. The refuse receptacle floor and discharge platform frame column foundation settlement difference processing system of claim 1, wherein:
The discharging platform and the garbage pool are connected with each other to span the floor slab to form a reinforced concrete floor slab which is connected with the discharging platform and the garbage pool, and the discharging platform and the garbage pool are connected with each other to span the frame beam to form a reinforced concrete beam which is connected with the discharging platform and the garbage pool frame column.
4. The refuse receptacle floor and discharge platform frame column foundation settlement difference processing system of claim 1, wherein:
the discharging platform is connected with the garbage pool and the reserved dowel bars of the cross-frame beam are reserved on the side of a frame column of the discharging platform in advance, and the discharging platform is connected with the garbage pool and the longitudinal stress bars of the cross-frame beam.
5. The refuse receptacle floor and discharge platform frame column foundation settlement difference processing system of claim 1, wherein:
The discharging platform is connected with the garbage pool and the reserved dowel bars are reserved on the frame beam side of the discharging platform in advance, and the discharging platform is connected with the garbage pool and the longitudinal stress bars are reserved on the cross-floor.
6. A method of treating a refuse receptacle floor and discharge platform frame column foundation differential settlement treatment system as claimed in any one of claims 1 to 5, wherein:
the construction method comprises a first-stage construction and a second-stage construction;
The first stage construction includes: the garbage pool and the peripheral frame part of the garbage pool, the unloading platform are removed from the part, which is connected with the garbage pool, outside the cross region, the side wall frame beam of the garbage pool is reserved with the picking lugs and reserved steel bars at the tops of the picking lugs, the frame column of the garbage pool is reserved with the bracket and reserved steel bars at the tops of the bracket, and meanwhile, the unloading platform is reserved at the side of the unloading platform and is connected with the garbage pool by steel bars which cross the floor slab and the frame beam;
when the garbage pool is constructed to be above a first distance, water is injected into the garbage pool, the foundation soil below the bottom plate of the garbage pool is pre-pressed, the water injection pre-pressing time is longer than a preset value, and at the moment, the cross-region connection between the discharging platform and the garbage pool is not poured yet;
the second stage construction comprises the following steps: after the bottom plate of the garbage pool finishes the first-stage sedimentation under the water injection pressure in the garbage pool, pouring a cross floor connected with the unloading platform and the garbage pool and connecting the unloading platform with a cross frame beam;
and after the whole garbage pool, the peripheral frame and the unloading platform are completely constructed, carrying out second-stage sedimentation by utilizing the actual constant load and the active load of the structure.
7. The method for processing the garbage pool bottom plate and unloading platform frame column foundation settlement difference processing system as set forth in claim 6, wherein:
the unloading platform and the garbage pool are connected with the frame crossing beam longitudinal ribs and are not anchored into the garbage pool frame column any more, the unloading platform and the garbage pool are connected with the frame crossing beam and are supported at the top of the bracket at the side of the garbage pool frame column, and pouring is carried out in stages, and a rotating seam with a preset width is reserved between the unloading platform and the garbage pool, and the unloading platform and the garbage pool are connected with the frame crossing beam and the garbage pool frame column;
Or alternatively
The discharging platform is connected with the garbage pool, the longitudinal ribs of the cross-floor are not anchored into the frame beams of the side wall of the garbage pool any more, the discharging platform is connected with the garbage pool, the cross-floor is supported at the top of the picking lugs on the side of the frame beams of the side wall of the garbage pool, and pouring is carried out in stages, and a rotating seam with a preset width is reserved between the cross-floor and the frame beams of the side wall of the garbage pool;
Or alternatively
The bracket at the column side of the frame column of the garbage pool is of a concrete structure;
Or alternatively
The bottom of the U-shaped steel bar is reserved at the top of the bracket at the side of the frame column of the garbage pool and anchored into the bracket at the side of the frame column of the garbage pool by a preset distance, the upper end of the U-shaped steel bar is exposed by the preset distance, and the U-shaped steel bar is simultaneously poured with the unloading platform and the frame beam connected with the garbage pool at the later stage;
Or alternatively
The side picking lugs of the side frame beam of the garbage pool are long-strip-shaped concrete structures of the side frame beam of the garbage pool, and the length of the side frame beam of the garbage pool is the same as that of the unloading platform;
Or alternatively
Reinforcing steel bars are reserved at the tops of the cantilever lugs on the side frame beam sides of the side walls of the garbage pool, the lower ends of the reinforcing steel bars are anchored into the cantilever lugs on the side frame beam sides of the side walls of the garbage pool, the upper ends of the reinforcing steel bars are exposed out for a preset distance, the distance between the reinforcing steel bars and the cantilever lugs is preset along the length of the cantilever lugs, and the reinforcing steel bars are simultaneously poured with the unloading platform and the garbage pool in a later stage and connected with a cross-floor slab;
Or alternatively
The method comprises the steps that a discharging platform and a garbage pool are connected with a cross-frame beam, a dowel bar is reserved in advance on the side of a discharging platform frame column, the discharging platform and the garbage pool are connected with a cross-frame beam longitudinal stress steel bar, batch unloading is carried out after water injection pre-sedimentation is stable in the first stage, and then the discharging platform and the garbage pool are poured to be connected with the cross-frame beam;
Or alternatively
The discharging platform and the garbage pool are connected across the floor slab to reserve the dowel bars, the discharging platform and the garbage pool are reserved on the frame beam side of the discharging platform in advance to be connected across the floor slab longitudinal stress reinforcing bars, and the discharging platform and the garbage pool are poured to be connected across the floor slab after the water injection pre-sedimentation stabilization in the first stage.
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