CN113073678A - Construction method for embedded bolt sleeve of upper structure of turbine generator base - Google Patents
Construction method for embedded bolt sleeve of upper structure of turbine generator base Download PDFInfo
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- CN113073678A CN113073678A CN202110423823.5A CN202110423823A CN113073678A CN 113073678 A CN113073678 A CN 113073678A CN 202110423823 A CN202110423823 A CN 202110423823A CN 113073678 A CN113073678 A CN 113073678A
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- 238000010276 construction Methods 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 9
- 239000002023 wood Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 108010068370 Glutens Proteins 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 235000021312 gluten Nutrition 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
-
- 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
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
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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
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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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
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
-
- 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
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
- E04G21/123—Wire twisting tools
Abstract
The invention discloses a construction method of an embedded bolt sleeve of an upper structure of a base of a steam turbine generator, which comprises the following steps: s1, pre-burying a fixing frame; s2, measuring and lofting; s3, mounting the embedded sleeve and the bolt; s4, binding steel bars; s5, setting a scaffold and a template; and S6, pouring concrete. The construction method for the embedded bolt sleeve of the upper structure of the turbine generator base is reasonable in arrangement, and effectively improves the installation precision of the turbine generator base; the embedded fixing frame is arranged, so that parallel operation of embedding and civil engineering is realized, and the overall construction efficiency is improved; in addition, the problem of quick installation of the casing is solved, the problem of the rigid casing floating pipe is controlled, and the method has good popularization value.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and relates to a construction method of an embedded bolt sleeve of an upper structure of a base of a steam turbine generator.
Background
The embedded part is a member embedded in hidden engineering in advance, namely a structure part which is installed in advance when the structure is poured with concrete and mainly serves as a connecting piece or a lap joint part in the subsequent construction process. By adopting the embedded part, the operation of secondary construction for installing the structural part on the concrete wall body in the later stage can be reduced, so that the efficiency of installing and fixing the external engineering equipment foundation is improved.
The turbine generator base is an important part of the power generation base, and the fixing precision of the turbine generator base is important. How to improve the accuracy of its fixation is always a problem to be solved by the skilled person. In addition, the construction of the embedded part conflicts with the civil engineering construction, and the construction needs to be carried out respectively in the prior art, so that the overall progress of project construction is influenced to a certain extent.
Therefore, a construction method for embedding a bolt sleeve in an upper structure of a base of a steam turbine generator is needed to solve the technical problems in the prior art.
Disclosure of Invention
The invention aims to solve at least part of technical problems in the prior art to a certain extent, and provides a construction method for embedding a bolt sleeve in an upper structure of a base of a turbonator, which is reasonable in arrangement and effectively improves the installation precision of the base of the turbonator; the embedded fixing frame is arranged, so that parallel operation of embedding and civil engineering is realized, and the overall construction efficiency is improved; in addition, the problem of quick installation of the casing is solved, the problem of the rigid casing floating pipe is controlled, and the method has good popularization value.
In order to solve the technical problem, the invention provides a construction method of an embedded bolt sleeve of an upper structure of a base of a steam turbine generator, which comprises the following steps:
s1, pre-embedding a fixing frame: avoiding the position of an electrical buried pipe according to the principle of proximity of foundation bolts and sleeves, and arranging a pre-buried fixing frame; the embedded fixing frame comprises an upright post, a cross beam and a longitudinal beam, and the upright post, the cross beam and the longitudinal beam form a rectangular structure;
s2, measuring and lofting: paying off a steam turbine generator base through a square grid control point by using a total station, and determining an axis, a center line and a column line for installing the steam turbine generator base;
s3, installing the embedded sleeve and the bolt: fixing the embedded sleeve and the bolt in an embedded mode before concrete pouring is carried out on the running layer of the turbonator;
s4, binding steel bars: arranging a steel bar platform around the running layer of the turbonator, and binding steel bars on the cross beam and the longitudinal beam of the pre-embedded fixing frame;
s5, setting the scaffold and the template: arranging a scaffold for a turbine generator base, installing a concrete pouring template, and reserving a gap between the template and a beam body to prevent the template from being exploded;
s6, pouring concrete: and (3) pouring concrete along the longitudinal beam direction of the pre-embedded fixing frame, uniformly discharging materials around the bolts, and keeping the distance between the vibrating rod and the bolts to be 150-200 mm during concrete vibrating operation.
In step S1, in a preferred embodiment, No. 14 channel steel is selected as the upright, the cross beam and the longitudinal beam.
In step S2, in a preferred embodiment, the beam and the longitudinal beam of the pre-buried fixing frame are wired, and the mounting positions of the pre-buried sleeve and the bolt are determined.
As a preferred embodiment, the position of the opening is determined by measuring and setting out the pre-embedded fixing frame, and the pre-embedded fixing frame is provided with a through hole; the embedded sleeve is fixed through the through hole, adjusting bolts are arranged on the outer peripheral side of the embedded sleeve, and the adjusting bolts are uniformly distributed along the center of the embedded sleeve and are located on the upper side of the embedded fixing frame.
In step S5, the template is a black template, and the gap between the template and the beam is 10mm-20 mm.
In step S6, concrete is poured in layers, and the height of each concrete layer is 300mm-500 mm.
In step S6, the concrete is vibrated by using an insertion vibrator, which is vertically constructed to prevent the embedded fixing frame from being deviated.
As a preferred embodiment, the position of the sleeve is compounded and embedded before the steel bars are bound.
As a preferred embodiment, the position of the embedded casing is rechecked before the concrete pouring construction.
As a preferred embodiment, in step S3, the embedded casing is reinforced by a reinforcing channel and a wood cake, the wood cake is disposed at the bottom of the embedded casing, and the reinforcing channel is perpendicular to the embedded casing and located at the upper portion of the embedded casing.
The invention has the beneficial effects that:
the construction method for the embedded bolt sleeve of the upper structure of the turbine generator base is reasonable in arrangement, and effectively improves the installation precision of the turbine generator base; the embedded fixing frame is arranged, so that parallel operation of embedding and civil engineering is realized, and the overall construction efficiency is improved; in addition, the problem of quick installation of the casing is solved, the problem of the rigid casing floating pipe is controlled, and the method has good popularization value.
Drawings
The above advantages of the present invention will become more apparent and more readily appreciated from the detailed description set forth below when taken in conjunction with the drawings, which are intended to be illustrative, not limiting, of the invention and in which:
FIG. 1 is a flow chart of a construction method for embedding a bolt sleeve in an upper structure of a base of a steam turbine generator according to the present invention;
fig. 2 is a schematic view of the pre-buried fixing frame of the present invention.
Detailed Description
Fig. 1 to fig. 2 are schematic diagrams related to a construction method of an embedded bolt sleeve of a superstructure of a turbine generator base according to the present application, and the present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.
The invention relates to a flow chart of a construction method of an embedded bolt sleeve of an upper structure of a base of a steam turbine generator, which is shown in figure 1. The construction method of the embedded bolt sleeve of the upper structure of the turbine generator base comprises the following steps:
s1, pre-embedding a fixing frame: according to the principle of the foundation bolt and the sleeve close to each other, avoiding the position of an electrical buried pipe, and arranging a pre-buried fixing frame 10 as shown in figure 1; the embedded fixing frame comprises an upright post, a cross beam and a longitudinal beam, and the upright post, the cross beam and the longitudinal beam form a rectangular structure;
in step S1, the column, the cross beam, and the side member select channel 14. The supporting plate is embedded at the side of the beam, the beam surface can be fixed by a template reinforcing system or a scaffold, and embedded pipes in various beams can be reinforced by angle iron and reinforcing steel bars.
S2, measuring and lofting: paying off a steam turbine generator base through a square grid control point by using a total station, and determining an axis, a center line and a column line for installing the steam turbine generator base;
in step S2, the beams and the longitudinal beams of the embedded fixing frame are paid off, and the mounting positions of the embedded sleeves and the bolts are determined. Specifically, 4 axes of the turbonator base, the turbonator center line and 2 transverse column lines are released by the total station in a grid control point mode. The axis is compounded with the bottom plate line and can be used as a datum line for the construction of the basic upper structure of the turbonator after being qualified through four-stage acceptance. And the elevation of each layer is measured by utilizing a level gauge to obtain the reference elevation of the upper structure of the turbonator on the adjacent building.
S3, installing the embedded sleeve and the bolt: before concrete pouring is carried out on the running layer of the turbonator, fixing the embedded sleeve 20 and the bolts shown in the figure 2 in an embedded mode;
as a preferred embodiment, the position of the opening is determined by measuring and setting out the pre-embedded fixing frame, and the pre-embedded fixing frame is provided with a through hole; the embedded sleeve is fixed through the through hole, adjusting bolts are arranged on the outer peripheral side of the embedded sleeve, and the adjusting bolts are uniformly distributed along the center of the embedded sleeve and are located on the upper side of the embedded fixing frame.
In step S3, the embedded casing is reinforced by using a reinforcing channel steel and a wood cake, the wood cake is disposed at the bottom of the embedded casing, and the reinforcing channel steel is perpendicular to the embedded casing and located at the upper portion of the embedded casing. Here, the wood cake may be referred to as wood cake for short.
The reinforcing step of the embedded sleeve comprises the following steps: after the center of the embedded pipe is released from the die surface of the beam bottom, a wood cake is processed in advance by a wood plate with the thickness of 18mm, the wood cake is 1mm smaller than the embedded sleeve, a hole is drilled in the middle of the wood cake, a bolt of M12 is adopted to connect the double-layer wood cake with the die plate, the height of the double-layer wood cake is 36mm, the wood cake is directly sleeved on the base of the embedded sleeve, after the upper part of the embedded sleeve passes through the reinforced channel steel, the upper part of the embedded sleeve is propped against the embedded sleeve by adjusting bolts welded on the periphery of the steel beam after the central line and the elevation are adjusted, meanwhile, two phi 25 steel bars are respectively adopted to reinforce the embedded sleeve from the lower part and the middle of the.
The perpendicularity of the embedded sleeve can be corrected according to the hanging hammer and the adjusting bolt at the top of the fine-tuning sleeve. In order to prevent the concrete from flowing into the embedded sleeve in the concrete pouring process, the gap between the embedded sleeve and the wood handle can be filled with hemp velvet.
S4, binding steel bars: arranging a steel bar platform around the running layer of the turbonator, and binding steel bars on the cross beam and the longitudinal beam of the pre-embedded fixing frame;
the steam turbine generator base operation layer roof beam reinforcing bar is 360 tons totally, and the reinforcing bar volume is big and complicated, for the convenience of the interlude of roof beam reinforcing bar, sets up the reinforcing bar platform all around at steam turbine generator operation layer, is connected with operation layer outer scaffold frame, and the platform height flushes with the bottom of the roof beam. After the embedded parts, the embedded sleeves and the foundation parts are embedded well and retested to be correct, the reinforcing steel bars are inserted, the longitudinal beams are firstly arranged and then the cross beams are arranged,
and (3) binding the longitudinal beams, namely preparing a steel bar support frame on the paved beam bottom, welding the support frame by using deformed steel bars with the diameter of 32, and placing three times at each step, wherein the height of the support frame is equal to the level of the bottom layer steel bars on the beam surface. At the moment, gluten starts to penetrate, and when the upright column is reinforced by bolts, corresponding holes are formed in the steel column and then reinforcing steel bars penetrate. When large embedded sleeves are encountered, the reinforcing steel bars can be wound in an arc shape, and the reinforcing steel bars cannot be broken and then welded. After the gluten is penetrated, the hoop is sleeved, and finally the bottom rib is penetrated and the binding wire is bound.
The binding method of the cross beam is the same as that of the longitudinal beam. After the reinforcing steel bars of all the beams are bound, adjusting the bolts again, embedding the sleeves, and binding the reinforcing steel bars of the grouting layer after retesting without errors.
S5, setting the scaffold and the template: arranging a scaffold for a turbine generator base, installing a concrete pouring template, and reserving a gap between the template and a beam body to prevent the template from being exploded;
in step S5, the template is a black template, and the reserved gap between the template and the beam body is 10-20 mm.
S6, pouring concrete: and (3) pouring concrete along the longitudinal beam direction of the pre-embedded fixing frame, uniformly discharging materials around the bolts, and keeping the distance between the vibrating rod and the bolts to be 150-200 mm during concrete vibrating operation.
In step S6, concrete is poured in layers, and the height of each concrete layer is 300mm-500 mm.
In step S6, the concrete is vibrated by using an insertion vibrator, and the insertion vibrator is vertically constructed to prevent the embedded fixing frame from deviating.
And (4) rechecking the positions of the embedded sleeves before concrete pouring construction.
The concrete is poured by adopting three vehicle-mounted towing pumps (one is arranged for standby use) to convey the concrete into a warehouse, and the conveying strength is about 40-50 m per hour36-7 agitating trucks are needed for transportation, preferably two trucks are needed for standby. To ensure the continuous concrete pouring work.
Because the thrust of the pump is very big, can exert an influence to whole skeleton when pouring, so set up the pouring platform in the department of roughly 300mm on the whole operation layer reinforcing bar face, the framed bent is double, lean on the one row of roof beam outside with the help of the outer framed bent pole that has set up on the spot, the one row of pole setting of roof beam inboard rises by interior framed bent, and then by big horizontal bar vertical connection, at last horizontal connection.
The construction sequence of pouring concrete is as follows: starting from one end, advancing in the direction of the stringer. The concrete is vibrated by adopting an inserted vibrator, the column beam plate concrete is poured in layers strictly according to the layering thickness of about 300-500 mm, the insertion points are uniformly arranged and move point by point, the vibration point interval is less than or equal to 1.5R, the vibration time is controlled to be about 15-20 seconds, and the concrete is prevented from approaching a template and a sleeve to prevent deformation and displacement.
In order to avoid the deviation of the embedded part caused by the flowing and the vibration of the concrete in the concrete pouring process, the embedded part is reinforced stably, and meanwhile, the material is uniformly discharged around the bolt as much as possible, so that the concrete surface around the bolt gradually rises, and the overlarge height difference is avoided. When the concrete is vibrated, the distance of 150-200 mm is kept between the vibrating spear and the bolt. The concrete vibrators are symmetrically and vertically inserted to avoid displacement or deflection caused by collision of the bolts and the fixed frame.
In the concrete pouring process of the running layer of the turbonator, professional measuring personnel are dispatched to observe the height change conditions of the embedded bolt sleeve and the top surface embedded part with shifts, problems are found in time, measures are taken in time, and therefore the accuracy of the embedded bolt sleeve is guaranteed to meet the standard requirements. Meanwhile, the elevation of the top concrete of the running layer is strictly controlled, and the deviation of the top concrete is ensured to meet the standard requirements of design and construction specifications.
In the heat preservation and moisture preservation maintenance of the large-volume concrete, the inner surface temperature, the top surface temperature and the bottom surface temperature of the concrete and the outdoor temperature are monitored, corresponding adjustment is made to the maintenance measures according to the monitoring result, and the requirement of temperature control indexes is ensured.
Compared with the defects and shortcomings of the prior art, the construction method for the embedded bolt sleeve of the upper structure of the turbine generator base is reasonable in arrangement, and installation accuracy of the turbine generator base is effectively improved; the embedded fixing frame is arranged, so that parallel operation of embedding and civil engineering is realized, and the overall construction efficiency is improved; in addition, the problem of quick installation of the casing is solved, the problem of the rigid casing floating pipe is controlled, and the method has good popularization value.
The present invention is not limited to the above embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which are the same as or similar to the technical solutions of the present invention, fall within the protection scope of the present invention.
Claims (10)
1. A construction method for embedding bolt sleeves in an upper structure of a base of a steam turbine generator is characterized by comprising the following steps:
s1, pre-embedding a fixing frame: avoiding the position of an electrical buried pipe according to the principle of proximity of foundation bolts and sleeves, and arranging a pre-buried fixing frame; the embedded fixing frame comprises an upright post, a cross beam and a longitudinal beam, and the upright post, the cross beam and the longitudinal beam form a rectangular structure;
s2, measuring and lofting: paying off a steam turbine generator base through a square grid control point by using a total station, and determining an axis, a center line and a column line for installing the steam turbine generator base;
s3, installing the embedded sleeve and the bolt: fixing the embedded sleeve and the bolt in an embedded mode before concrete pouring is carried out on the running layer of the turbonator;
s4, binding steel bars: arranging a steel bar platform around the running layer of the turbonator, and binding steel bars on the cross beam and the longitudinal beam of the pre-embedded fixing frame;
s5, setting the scaffold and the template: arranging a scaffold for a turbine generator base, installing a concrete pouring template, and reserving a gap between the template and a beam body to prevent the template from being exploded;
s6, pouring concrete: and (3) pouring concrete along the longitudinal beam direction of the pre-embedded fixing frame, uniformly discharging materials around the bolts, and keeping the distance between the vibrating rod and the bolts to be 150-200 mm during concrete vibrating operation.
2. The construction method according to claim 1, wherein in step S1, channel 14 is selected as the columns, beams and stringers.
3. The construction method according to claim 2, wherein in step S2, the beam and the longitudinal beam of the pre-buried fixing frame are extended to determine the installation positions of the pre-buried sleeve and the bolt.
4. The construction method according to claim 1, wherein the position of the opening is determined by measuring and setting out the pre-buried fixing frame, and the pre-buried fixing frame is provided with a through hole; the embedded sleeve is fixed through the through hole, adjusting bolts are arranged on the outer peripheral side of the embedded sleeve, and the adjusting bolts are uniformly distributed along the center of the embedded sleeve and are located on the upper side of the embedded fixing frame.
5. The construction method according to claim 1, wherein in step S5, the form is a black form, and the reserved gap between the form and the beam body is 10mm-20 mm.
6. The construction method according to claim 1, wherein the concrete is cast in layers in step S6, and the height of each concrete layer is 300mm-500 mm.
7. The construction method according to claim 1, wherein the concrete is vibrated by using an insertion vibrator which is vertically constructed to prevent the pre-buried fixing frame from being deviated at step S6.
8. The construction method according to claim 1, wherein the position of the composite embedded sleeve is before the binding of the reinforcing bars.
9. The construction method according to claim 1, wherein the position of the embedded sleeve is rechecked before the concrete pouring construction.
10. The construction method according to claim 1, wherein in step S3, the embedded casing is reinforced by a reinforcing channel and a wood cake, the wood cake is disposed at the bottom of the embedded casing, and the reinforcing channel is perpendicular to the embedded casing and located at the upper portion of the embedded casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423823.5A CN113073678A (en) | 2021-04-20 | 2021-04-20 | Construction method for embedded bolt sleeve of upper structure of turbine generator base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423823.5A CN113073678A (en) | 2021-04-20 | 2021-04-20 | Construction method for embedded bolt sleeve of upper structure of turbine generator base |
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| Publication Number | Publication Date |
|---|---|
| CN113073678A true CN113073678A (en) | 2021-07-06 |
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|---|---|---|---|
| CN202110423823.5A Pending CN113073678A (en) | 2021-04-20 | 2021-04-20 | Construction method for embedded bolt sleeve of upper structure of turbine generator base |
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| CN (1) | CN113073678A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114134927A (en) * | 2021-12-03 | 2022-03-04 | 山东方大工程有限责任公司 | Device and method for embedding large power equipment foundation embedded pipe |
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