CN114134927A - Device and method for embedding large power equipment foundation embedded pipe - Google Patents
Device and method for embedding large power equipment foundation embedded pipe Download PDFInfo
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- CN114134927A CN114134927A CN202111465565.3A CN202111465565A CN114134927A CN 114134927 A CN114134927 A CN 114134927A CN 202111465565 A CN202111465565 A CN 202111465565A CN 114134927 A CN114134927 A CN 114134927A
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- 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
- E02D27/44—Foundations for machines, engines or ordnance
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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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
Abstract
The invention relates to the technical field of embedded pipe installation, and discloses a large-scale power equipment foundation embedded pipe embedding device, which comprises a template main body, wherein the template main body consists of combined steel templates and wood templates, the total number of the template main bodies is two, a supporting mechanism is arranged between the two template main bodies and comprises a fixing frame, the fixing frame is provided with embedded pipes, the lower sides of the outer wall surfaces of the embedded pipes are tightly attached to cross braces, a plurality of groups of combined steel templates and wood templates are mutually spliced to form the template main body, the fixing frame is a channel steel welded and independently integrated body, the cross braces are arranged above the fixing frame, in the invention, the horizontal direction of the integrated fixing frame is separated from a template supporting system, so that the horizontal direction of the integrated fixing frame is relatively independent from the template supporting system, and the influence caused by the movement of the supporting system in the pouring process can be avoided or reduced, the effect of improving the precision of the installation position of the embedded pipe is achieved.
Description
Technical Field
The invention relates to the technical field of embedded pipe installation, in particular to an embedded device and method for a large power equipment foundation embedded pipe.
Background
The foundation of the BPRT and AV63 equipment in the blast furnace blower station plant is a frame structure (the size of the cross section of a column is 1000mm multiplied by 1000mm, the size of the cross section of a maximum beam is 2000mm multiplied by 1200mm, the height of a top mark is 7.800m, the grade of concrete is C30, and the grade of grouting material is C40), belongs to the foundation of large power equipment, and has quite high requirement on the installation precision of an embedded sleeve aiming at the installation specificity of the large power equipment.
When a concrete wall or a top plate is poured, a pipe (such as a galvanized pipe) is fixed with a steel bar firstly, and is poured, namely a pre-buried pipe is used for a power line and water supply, an integral fixing frame with reliable rigidity and strength is used for in-place installation of the pre-buried pipe to ensure the precision requirement of the pre-buried pipe, the cross section size of a beam column of a foundation frame is large, the thickness size of the top plate is large, the beam column and the concrete are required to be poured integrally at one time, and a stable and reliable template and supporting system are used to ensure the concrete pouring quality.
Therefore, the device and the method for embedding the large power equipment foundation embedded pipe are provided.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a device and a method for embedding a large power equipment foundation embedded pipe.
In order to achieve the purpose, the invention adopts the following technical scheme that the large power equipment foundation embedded pipe embedding device comprises a template main body, wherein the template main body consists of combined steel templates and wood templates, the number of the template main bodies is two, a supporting mechanism is arranged between the two template main bodies, the supporting mechanism comprises a fixed frame, the fixed frame is provided with embedded pipes, and the lower sides of the outer wall surfaces of the embedded pipes are tightly attached to cross braces.
Preferably, the combined steel templates and the wood templates are spliced with each other to form the template main body.
Preferably, the fixing frame is formed by welding channel steel independently into a whole, and a cross brace is arranged above the fixing frame.
Preferably, the two ends of the embedded pipe can be detachably and fixedly provided with embedded pipe plugs, the outer circle of each embedded pipe plug is tightly attached to the inner wall surface of the embedded pipe, and the outer wall surface of each embedded pipe plug is fixedly provided with a handle.
A method for embedding a large power equipment foundation embedded pipe comprises the following steps:
the first step is as follows: preparing a template;
the second step is that: a formwork assembly and formwork support system;
the third step: manufacturing a pre-buried pipe fixing frame;
the fourth step: mounting the pre-buried pipe and the steel bar;
the fifth step: re-testing the top of the pre-buried pipe;
and a sixth step: pouring concrete;
the seventh step: and (5) maintaining for a period.
Preferably, in the first step and the second step, the template is transferred to a designated position and detected, the bottom of the template support needs to be leveled, the model of the template needs to be selected and matched according to the size and the position of a working surface, the template assembly is carried out by fully brushing an isolating agent, the template is flat, smooth and tight in splicing, and the framework column mold is reinforced by adopting a double- # -shaped phi 48 multiplied by 3.5 steel pipe and M14 counter-pulling bolts.
Preferably, in the third step, 12.6 channel steel is adopted to weld an independent integral embedded pipe fixing frame, the fixing frame is integrally assembled on the ground, then a crane is used for integrally mounting in place, the position of the vertical rod of the fixing frame is determined through a big sample diagram, collision with reinforcing steel bars, embedded parts, beam plate side molds, preformed holes and the like is prevented, construction is prevented from being influenced, the vertical rod is welded on a bottom die in a spot mode, the central lines of a fan and a motor are used as main control axes, a precision total station is adopted to guide positioning points to the fixing frame, elevation is guided to the fixing frame through a level gauge, the embedded pipe is mounted according to the axes and the elevation, and the central position and the verticality are strictly controlled.
Preferably, the fourth step and the fifth step are implemented by placing the embedded pipes, and after the steel bars and the templates are installed, the project technical responsible personnel and the measuring personnel retest the tops of the embedded pipes one by one.
Preferably, the sixth step and the seventh step are carried out self-checking and special-checking on the pre-buried pipe fixing frame manufactured in the third step, finally, concrete is poured after the pre-buried pipe fixing frame is finally qualified through equipment installation design, supervision, general contractor, owners and the like, before pouring, sundries such as garbage, soil, oil stains and the like on reinforcing steel bars in a template are removed completely, whether cement mortar cushion blocks and plastic cushion blocks of the reinforcing steel bars are well filled is checked, when the concrete is poured into the template, the concrete cannot be poured intensively to impact the template or a reinforcing steel bar framework, when the pouring height is more than 2 meters, a cylinder string is adopted, a chute is adopted for blanking, the free height of the pouring pipe opening from a discharging pipe opening to a pouring layer is not more than 1.5 meters, when the concrete is poured, the conditions of movement, deformation or blockage of the template, the reinforcing steel bars, holes, pre-buried parts, inserted bars and the like are observed frequently, the pouring is stopped immediately, and the pouring is corrected well before the poured concrete is solidified, when concrete is poured, the embedded pipe cannot be shaken during pouring, the embedded pipe is prevented from shifting, a specially-assigned person is required to be responsible for watching and matching, the shifted embedded pipe is recovered in time, when the concrete is poured, the vibrating rod is required to be quickly inserted and slowly pulled, the embedded pipe is prevented from contacting the embedded rigid embedded pipe as much as possible, after secondary pressing and third pressing are carried out on the surface of the concrete after pouring, covering and curing are carried out in time, after the concrete is finally set, water is firstly sprayed and fully wetted, then a plastic film is used for sealing and covering, and the surface of the plastic film is frequently checked.
Has the advantages that:
the invention provides a large-scale power equipment foundation embedded pipe embedding device and method, which have the following beneficial effects:
1. the template is transferred to a specified position and is detected, the bottom of a template support is leveled, the template model is selected and prepared according to the size and the position of a working face, the template assembly is carried out by brushing an isolating agent fully, a steel mold is adopted as a top plate bottom mold, a frame column mold is reinforced by adopting double-well phi 48 multiplied by 3.5 steel pipes and M14 counter-tie bolts, two cross braces are arranged at the bottom of a beam, an independent and integral embedded pipe fixing frame is welded by adopting 12.6 channel steel, the horizontal direction of the integral fixing frame is separated from the template supporting system, the horizontal direction of the integral fixing frame is relatively independent from the template supporting system, the influence caused by the movement of the supporting system in the pouring process can be avoided or reduced, and the effect of improving the accuracy of the installation position of the embedded pipe is achieved.
2. According to the pre-embedding device and method for the large power equipment foundation pre-embedded pipe, the position of the vertical rod of the fixing frame is determined through the large sample drawing, the phenomenon that the vertical rod collides with a reinforcing steel bar, an embedded part, a beam plate side mold, a preformed hole and the like to influence construction is prevented, the vertical rod is welded on the bottom mold in a spot mode, the central line of a fan and a motor serves as a main control axis, a precise total station is adopted to guide positioning points to the fixing frame, elevation is guided to the fixing frame through a level gauge, the pre-embedded pipe is installed according to the axis and the elevation, the position and the verticality of the center are strictly controlled, and the effect that the pre-embedded pipe is conveniently and precisely installed is achieved.
3. The pre-embedding device and the method for the large power equipment foundation pre-embedding pipe are characterized in that before concrete is poured, sundries such as garbage, soil and oil stain on a steel bar in a template are removed completely, whether a cement mortar cushion block and a plastic cushion block of the steel bar are well-padded is checked, if a wood template is used, the template is watered to be wet, a sweeping port of a column template is sealed after sundries and accumulated water are removed, the concrete pump is guaranteed to work continuously when the concrete is pumped, the concrete cannot be poured intensively to impact the template or a steel bar framework, when the pouring height is more than 2 meters, a cylinder stringing is adopted, a chute is blanked, the free height of pouring from a discharge pipe opening to a pouring layer is not more than 1.5 meters, when the concrete is poured, the conditions of movement, deformation or blockage of the template, the steel bar, a reserved hole, an embedded part, an inserted bar and the like are observed frequently, the pouring is stopped immediately when problems are found, and the concrete is perfectly corrected before the concreted concrete is solidified, so that the concreted concrete is ensured to be poured, and the displacement of the embedded pipe is avoided.
4. According to the pre-embedding device and method for the large power equipment foundation pre-embedded pipe, when concrete is poured, the vibrating rods need to be inserted quickly and pulled slowly, contact with the pre-embedded rigid pipe is avoided as far as possible, inserting points of the vibrators are arranged uniformly in a quincunx shape, the vibrating rods move in sequence of lines and columns, the moving distance is not more than 40CM, vibration leakage is avoided, no vibration is avoided, and the effect of concrete compact pouring is achieved.
5. According to the large-scale power equipment foundation embedded pipe embedding device and method, the embedded pipe plug is driven to be installed on the embedded pipe or detached from the embedded pipe through pulling of the handle, and the effect of preventing concrete from entering the interior of the embedded pipe during concrete pouring is achieved through the arranged embedded pipe plug.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the position structure of the template main body and the embedded pipe according to the present invention;
FIG. 2 is a schematic plan view of the supporting mechanism and the embedded pipe of the present invention;
FIG. 3 is a schematic perspective view of the main body of the form of the present invention;
fig. 4 is a schematic view of a three-dimensional structure of the cross brace and the embedded pipe of the invention.
Illustration of the drawings:
1. a template body; 2. a combined steel formwork; 3. a wood template; 4. erecting a pipe; 5. a fixed mount; 6. pre-burying a pipe; 7. pre-burying a pipe plug; 8. a handle; 9. and (4) supporting the scissors.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): a large-scale power equipment foundation embedded pipe pre-burying device and method, as shown in figure 1-figure 4, comprises a template main body 1, the template main body 1 is composed of a combined steel template 2 and a wood template 3, a plurality of groups of combined steel templates 2 and wood templates 3 are spliced with each other to form the template main body 1, the template main body 1 is fully brushed with an isolating agent before splicing the combined steel template 2 and the wood template 3, a cross seam is not used for splicing when splicing the template main body 1, a supporting surface under a support column and an inclined strut is leveled and tamped, enough pressed area is provided, the supporting member is forced on an outer steel edge, a U-shaped clamp is firmly inserted, a sponge strip is embedded in a plate seam gap to prevent slurry leakage during later pouring, two groups of template main bodies 1 are provided, the two groups of template main bodies 1 are fixedly installed at designated positions, a supporting mechanism is arranged between the two groups of template main bodies 1, the supporting mechanism comprises a fixing frame 5, the fixing frame 5 is a 12.6 channel steel welded independently into a whole, the 12.6 channel steel is a long-strip-shaped steel with a groove-shaped section, the channel steel is a carbon structural steel with a complex section, the section of the channel steel is in a groove shape, the 12.6 channel steel is required to have better welding, riveting and comprehensive mechanical properties in use, a raw material billet for producing the channel steel is a carbon steel or low-alloy steel billet with the carbon content not more than 0.25%, a shear brace 9 is arranged above the fixing frame 5, the lap joint part of the shear brace 9 is not less than one meter and is fixed by a rotary fastener, the distance from the shear brace to a central node is not more than one hundred and fifty meters, the fixing frame 5 is provided with a pre-buried pipe 6, the lower side of the outer wall surface of the pre-buried pipe 6 is tightly attached to the shear brace 9, the pre-buried pipe 6 is tied by an iron wire, the iron wire is nailed on the template main body 1 by the iron wire, the pre-buried pipe 6 is fixed on the template main body 1 tightly, thereby place the embedded pipe 6 in appointed reservation position department, the both ends of embedded pipe 6 all can be dismantled fixed mounting and have embedded pipe chock plug 7, the excircle department of embedded pipe chock plug 7 closely laminates with the internal face of embedded pipe 6, the outer wall fixed mounting of embedded pipe chock plug 7 has handle 8, pull through handle 8 and drive embedded pipe chock plug 7 and install on embedded pipe 6 or demolish from embedded pipe 6, through the embedded pipe chock plug 7 that sets up, prevent that concrete from getting into the inside of embedded pipe 6 when concrete placement, when having installed template main part 1 in the appointed position, mount 5, embedded pipe 6, install inside the both ends port of embedded pipe 6 respectively two sets of embedded pipe chock plugs 7, at this moment pour concrete into between two sets of template main parts 1 and wait for the concrete to solidify through outside watering mechanism.
A method for installing a large power equipment foundation embedded pipe embedded device comprises the following steps:
the first step is as follows: preparing a template; the template adopts the combination formula steel template, and local preparation plank sheathing, the reinforcement adopts the steel frame pipe, transports the template to appointed position and detects the template, and the template must be level and smooth, bright and clean, not crooked undistorted, and the frame pipe is straight, and the fastener does not have the fracture, and the no depoling, inspection central line and template inner border before the formwork support to and measure the elevation benchmark.
The second step is that: a formwork assembly and formwork support system; the bottom of the formwork support needs to be leveled, the formwork types need to be selected according to the size and the position of a working surface, the formwork assembly is carried out by brushing a separant fully, the cross seam splicing of the formwork is not allowed to occur in the assembly process, the supporting surfaces under the support columns and the inclined struts are leveled and padded tightly, sufficient compression areas are provided, the supporting members are forced on the outer steel edges, the U-shaped clamps are firmly inserted, the sponge strips are embedded in the plate seams to prevent slurry leakage in the irrigation process, the top plate and the bottom plate adopt steel dies, the formwork needs to be flat, smooth and tight in splicing, and the framework column die reinforcement adopts double-cross phi 48 x 3.5 steel pipes and M14 pairs of pulling bolts.
The third step: manufacturing a pre-buried pipe fixing frame; the method is characterized in that an independent integral embedded pipe fixing frame is welded by 12.6 channel steel, the integral fixing frame is separated from a template supporting system in the horizontal direction and is relatively independent, so that the influence caused by movement of the supporting system in the pouring process can be avoided or reduced, the fixing frame is integrally assembled on the ground, then a crane is integrally installed in place, the vertical rod position of the fixing frame is determined through a large sample map, the collision with a steel bar, an embedded part, beam plate side molds, a reserved hole and the like is prevented, construction is influenced, the vertical rod is in spot welding on a bottom mold, the central line of a fan and a motor is used as a main control axis, a precision total station is adopted to guide positioning points to the fixing frame, elevation is guided to the fixing frame by a level gauge, a embedded pipe is installed according to the axis and elevation, and the central position and the perpendicularity are strictly controlled.
The fourth step: mounting the pre-buried pipe and the steel bar; pre-buried tub of length will certainly be than roof thickness 50mm longer, and when avoiding concrete placement, the concrete pours into pre-buried intraduct into, causes the jam, and after pre-buried tub of installation finishes, in the reinforcing bar installation, should avoid striking reinforcing bar as far as possible, must carry out the atress calculation that the template supported in advance to main component bearing template: the method comprises the steps of calculating the spacing between the supporting vertical rods, the spacing between the horizontal pull rods and the side pressure of the formwork, and determining the number of rod pieces or bolts on the side pressure resistance and the size of a section, wherein the requirements of strength, rigidity and stability required in a project in the quality standard of the formwork can be met only through exact calculation.
The fifth step: re-testing the top of the pre-buried pipe; after the steel bars and the templates are installed, the project technical responsible personnel and the measuring personnel retest the tops of the embedded pipes one by one again, and if the embedded pipes deviate, the embedded pipes are recovered immediately.
And a sixth step: pouring concrete; self-checking and special-checking the pre-buried pipe fixing frame manufactured in the third step, finally, pouring concrete after the final qualification of equipment installation design, supervision, general contractor, owner and the like, removing sundries such as garbage, soil, oil stain and the like on the reinforcing steel bars in the template before pouring, checking whether cement mortar cushion blocks and plastic cushion blocks of the reinforcing steel bars are well filled, watering to wet the template when a wood template is used, sealing after removing sundries and accumulated water at a sweeping port of a column template, pumping the concrete, ensuring that the concrete pump continuously works, immediately flushing the concrete remained in the pipe by using pressure water or other methods when equipment fails, preventing the concrete from intensively dumping to impact the template or a reinforcing steel bar framework when the concrete is poured into the mold, adopting a cylinder string and discharging the chute when the pouring height is more than 2 m, the free height of the pouring from the discharge pipe opening to the pouring layer is not more than 1.5 m, the situation that the template, the steel bar, the reserved hole, the embedded part, the inserted bar and the like move, deform or block is observed frequently when concrete is poured, the pouring is stopped immediately when the problem is found, the poured concrete is corrected well before the poured concrete is condensed, the pre-embedded pipe cannot be shaken when the concrete is poured, the pre-embedded pipe is prevented from shifting, a specially-assigned person is required to be responsible for watching and matching, the shifted pre-embedded pipe is restored timely, a vibrating rod is required to be inserted quickly and pulled slowly when the concrete is poured, the pre-embedded steel embedded pipe is prevented from being contacted as much as possible, the inserted points of the vibrator are uniformly arranged in a quincunx shape, the displacement position is required to be not more than 40CM by adopting the sequential movement of lines, and the vibration is prevented from leaking and not avoided.
The seventh step: a maintenance period; after the concrete surface is pressed for the second time and pressed for the third time, covering and curing in time, after the concrete is finally set, firstly sprinkling water and fully wetting, then sealing and covering by using a plastic film, and frequently checking the surface of the plastic film, when the surface of the plastic film has no water drops, sprinkling water again, wherein the watering times are required to keep the concrete in a sufficient wet state, and the curing period is generally not less than 7 days and nights.
The working principle of the invention is as follows: transferring the template to a specified position and detecting the template, leveling the bottom of a template support, selecting and matching the model of the template according to the size and the position of a working surface, fully brushing an isolating agent to assemble the template, adopting a steel mould as a bottom mould of a top plate, adopting a double-well phi 48 multiplied by 3.5 steel pipe and an M14 counter-pull bolt for reinforcing a frame column mould, arranging two cross braces at the bottom of a beam, adopting 12.6 channel steel to weld an independent integral pre-buried pipe fixing frame, dividing the horizontal direction of the integral fixing frame from a template supporting system, determining the vertical rod position of the fixing frame through a large-scale drawing to prevent the vertical rod, an embedded part, a beam plate side mould, a preformed hole and the like from colliding to influence construction, performing spot welding on the vertical rod on the bottom mould, taking the central line of a fan and a motor as a main control axis, adopting a precision total station to guide a positioning point on the fixing frame, guiding an elevation to the fixing frame by a level gauge, installing the pre-buried pipe according to the axis and the elevation, strictly controlling the central position and the verticality, through tying up the embedded pipe 6 with the iron wire, nail the iron wire on template main part 1 with the iron wire, fix embedded pipe 6 tightly on template main part 1 to place embedded pipe 6 in appointed reservation position department, carry out the steel bar installation again, after reinforcing bar and template installation finish, project technical responsible person and measurement personnel carry out retest one by one again to the top of embedded pipe, if the skew recovers immediately, with concrete placement income mould wait for the concrete solidification, carry out the secondary on the concrete surface and wipe and press the back with the cubic, in time cover and support.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a pre-buried device of large-scale power equipment basis embedded pipe, includes template main part (1), its characterized in that: the template main part (1) comprises combination formula steel form (2) and plank sheathing (3), template main part (1) has two sets of totally, two sets of be provided with supporting mechanism between template main part (1), supporting mechanism includes mount (5), be provided with on mount (5) and bury pipe (6), the outer wall downside and the bridging (9) of pre-buried pipe (6) closely laminate.
2. The large power equipment foundation embedded pipe embedding device and method as claimed in claim 1, wherein: and a plurality of groups of combined steel templates (2) and wood templates (3) are spliced with each other to form a template main body (1).
3. The large power equipment foundation embedded pipe embedding device and method as claimed in claim 1, wherein: the fixing frame (5) is a 12.6 channel steel welded independent whole, and a scissor brace (9) is arranged above the fixing frame (5).
4. The large power equipment foundation embedded pipe embedding device and method as claimed in claim 1, wherein: both ends of the embedded pipe (6) can be respectively detachably and fixedly provided with an embedded pipe plug head (7), the excircle of the embedded pipe plug head (7) is tightly attached to the inner wall surface of the embedded pipe (6), and the outer wall surface of the embedded pipe plug head (7) is fixedly provided with a handle (8).
5. A method for embedding a large power equipment foundation embedded pipe is characterized by comprising the following steps: the method comprises the following steps:
the first step is as follows: preparing a template;
the second step is that: a formwork assembly and formwork support system;
the third step: manufacturing a pre-buried pipe fixing frame;
the fourth step: mounting the pre-buried pipe and the steel bar;
the fifth step: re-testing the top of the pre-buried pipe;
and a sixth step: pouring concrete;
the seventh step: and (5) maintaining for a period.
6. The method for embedding the foundation embedded pipe of the large power equipment as claimed in claim 5, wherein the method comprises the following steps: the first step and the second step are that the template is transferred to a designated position and is detected, the bottom of the template support is leveled, the model of the template is selected and matched according to the size and the position of a working surface, the template assembly is carried out by fully brushing an isolating agent, the template is flat, smooth and tight in splicing, and the framework column mold is reinforced by adopting a double- # -shaped phi 48 multiplied by 3.5 steel pipe and M14 counter-pulling bolts.
7. The method for embedding the foundation embedded pipe of the large power equipment as claimed in claim 5, wherein the method comprises the following steps: the third step, adopt the independent holistic pre buried pipe mount of 12.6 channel-section steel welding, the mount is whole to be assembled subaerial, then take one's place with crane integral erection, confirm mount pole setting position through the big appearance picture, prevent with the reinforcing bar, the piece that buries, beam slab side form, preformed hole etc. the collision takes place, influence the construction, pole setting spot welding is on the die block, with fan, motor central line as the master control axis, adopt accurate total powerstation with the setpoint, on drawing the mount, the elevation is drawn to the mount with the spirit level, according to axis and elevation, install the pre buried pipe, strict control center position and straightness that hangs down.
8. The method for embedding the foundation embedded pipe of the large power equipment as claimed in claim 5, wherein the method comprises the following steps: and fourthly, placing the embedded pipes, and after the steel bars and the templates are installed, retesting the tops of the embedded pipes one by one again by project technical responsible persons and measuring personnel.
9. The method for embedding the foundation embedded pipe of the large power equipment as claimed in claim 5, wherein the method comprises the following steps: and the sixth step and the seventh step, self-checking and special-checking the pre-buried pipe fixing frame manufactured in the third step, finally, pouring concrete after the pre-buried pipe fixing frame is finally qualified through equipment installation design, supervision, general contractor, owners and the like, removing sundries such as garbage, soil, oil stains and the like on the reinforcing steel bars in the template before pouring, checking whether cement mortar cushion blocks and plastic cushion blocks of the reinforcing steel bars are well filled, when the concrete is poured into the template, the concrete cannot be poured intensively to impact the template or a reinforcing steel bar framework, when the pouring height is more than 2 meters, a cylinder string is adopted, a chute is adopted for blanking, the free height of pouring from a discharge pipe opening to a pouring layer is not more than 1.5 meters, when the concrete is poured, the conditions of movement, deformation or blockage of the template, the reinforcing steel bars, reserved holes, pre-buried parts, inserted bars and the like are observed frequently, the pouring is stopped immediately, and the pouring is corrected before the poured concrete is solidified, when the concrete is poured, the method is characterized in that the embedded pipe cannot be shaken during pouring, the embedded pipe is prevented from shifting, a specially-assigned person is required to be responsible for watching and matching, the shifted embedded pipe is recovered in time, when concrete is poured, a vibrating rod is required to be inserted and pulled slowly, the vibrating rod is required to be prevented from contacting the embedded rigid embedded pipe as much as possible, after the concrete is poured, secondary plastering and tertiary plastering are carried out on the surface of the concrete, covering and curing are carried out in time, after the concrete is finally set, water is firstly sprayed and fully wetted, then a plastic film is used for sealing and covering, and the surface of the plastic film is frequently checked.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115090010A (en) * | 2022-06-07 | 2022-09-23 | 中建八局第二建设有限公司 | Sand filter filtering beam construction device and construction method |
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| CN115090010B (en) * | 2022-06-07 | 2024-01-12 | 中建八局第二建设有限公司 | Sand filter filtering beam construction device and construction method |
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