CN105672687B - A kind of substation truss concrete frame reinforcement means - Google Patents
A kind of substation truss concrete frame reinforcement means Download PDFInfo
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- CN105672687B CN105672687B CN201610073892.7A CN201610073892A CN105672687B CN 105672687 B CN105672687 B CN 105672687B CN 201610073892 A CN201610073892 A CN 201610073892A CN 105672687 B CN105672687 B CN 105672687B
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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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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Abstract
The invention discloses a kind of substation truss concrete frame reinforcement means, pass through the additional steel pipe on the outside of substation truss concrete frame, and the slip casting in steel pipe, become concrete filled steel tube, steel pipe, slurry, concrete frame collectively constitute new stress system, play the purpose to transformer substation framework, equipment supporter reinforcing；Outer steel pipe is installed using lift method, avoid work high above the ground, a kind of new reinforcement technique is provided for transformer-station concrete structure support, suitable for ∏ shapes, the reinforcing of T-shaped structure support concrete frame, structure support concrete frame after reinforcing meets bearing capacity and life requirement, extension transformer station service life, it is not necessary to large-scale redevelopment, declaration process of constructing is simply time saving, with reduction upgrading cost, shortens the characteristics of transforming the duration and be safe and reliable.Simultaneously as former concrete structure support need not be removed, it is to avoid a large amount of building wastes discharges, economize on resources, be a kind of strengthening reconstruction technology of environmental type.
Description
Technical field
The invention belongs to the realm of building construction, and in particular to a kind of transformer substation framework and equipment supporter concrete frame reinforcing side
Method.
Background technology
The transformer station that China's power department is built since the sixties in last century five, due to by economic condition at that time and
Technical merit is limited, and Outdoor Trusses For Transformer Substation structure support generally uses precast concrete, due at that time to the resistance to of concrete structure
It is not enough that long property understanding is not enough, thickness of protection tier is not enough, wind and snow ice load considers that not enough and outdoor environment influence factor is paid attention to
Etc. reason, ignore care and maintenance run in addition during, by the use of more than 20 years, already close to or more than reasonable in design
Service life, 90% appears above different degrees of quality problems, has a strong impact on the safe operation of transformer station, strengthening reconstruction is
It is very urgent.Because weathering, the working service of concrete material are improper, design and construction defect, functional promotion and use ring
The reasons such as border change to existing transformer substation framework, equipment supporter, it is necessary to carry out strengthening reconstruction.
According to national Specification, 220kV and following transformer station allow to use concrete frame and support, wide variety of
It is ∏ shapes, T-shaped structure support, under the collective effect of temperature, acid rain, carbonization and Frozen-thawed cycled, nowadays most of transformer station families
Outer structure support concrete frame has been damaged, and steel bar corrosion, concrete cracking have injured the safe operation of transformer station, it is necessary to carried out
Repairing, reinforcing update, and are carried out under normal circumstances under power down mode, most thoroughly method is to be updated to concrete filled steel tube
Bar, this not only needs special equipment and operating personnel, and needs to remove whole distribution facilities, removes distribution in installation process and sets
Apply damage more, the project of upgrading and rebuilding direct plunge into it is larger, have a power failure be related to the scheduling of whole power network with stably, power off time mistake
The long economic construction to power supply area brings about great losses and influenceed, therefore, and exploitation one kind transformer station under live state is mixed
The reinforcement technique of solidifying soil structure support rapidly and efficiently is particularly important, conventional polymer cement mortar patching, exterior glues the steel
Method for strengthening etc. is required to work high above the ground, it is impossible to realize the reinforcing that do not have a power failure, and CFRP Sheet Strengthening Method has the danger for causing high voltage short circuit accident
Danger, the reinforcing of same inapplicable Outdoor Trusses For Transformer Substation concrete frame.
The content of the invention
The purpose of the present invention is that there is provided a kind of transformer substation framework equipment supporter concrete for above-mentioned the deficiencies in the prior art
Bar reinforcement means, existing transformer substation framework, equipment supporter concrete frame can be reinforced in the state of not having a power failure, be can be used for
Other similar concrete frames.
The technical scheme is that by the following manner realizing：A kind of substation truss concrete frame reinforcing side
Method, is mainly comprised the following steps：
1）Excavate the isolated footing of substation truss concrete frame, by the isolated footing removing surface after excavation it is clean,
Dabbing, water spray moistening；
2）Stone base of column steel pipe is installed in concrete frame lower end, stone base of column steel pipe is made up of two semicircle steel pipes, passes through bar planting bolt
It is anchored within isolated footing, on a stand alone basis portion and surrounding pouring reinforcement concrete；
3）Positioned in stone base of column steel pipe upper ends and first segment reinforcing steel pipe is installed on ring flat-plate, positioning ring flat-plate, first segment is reinforced
Steel pipe is welded to form by two semicircle steel pipes, and lining steel plate A, adjustment first are welded with the inside of the longitudinal seam of two semicircle steel pipes
Section reinforces the perpendicularity and flatness of steel pipe, keeps concentric with concrete frame；
4）Reinforced in first segment and hoisting tray is installed outside steel pipe, chock is passed through between hoisting tray and first segment reinforcing steel pipe
It is tightly combined, starts hoisting machine tool, hoisting tray is hooked with suspension hook, first segment is reinforced into the height that steel pipe lifting one saves steel pipe,
Adjust its absolute altitude, levelness, perpendicularity and concentricity etc.；
5）Steel pipe lower end being reinforced in first segment second section reinforcing steel pipe being installed, second section reinforces steel pipe by two semicircle steel pipes
It is welded to form, lining steel plate A is welded with the inside of the longitudinal seam of two semicircle steel pipes, adjustment second section reinforces the perpendicularity of steel pipe
And concentricity, reinforce steel pipe with first segment and keep straight, second section reinforces the weld seam and first segment of two semicircle steel pipes of steel pipe
The weld seam for reinforcing steel pipe staggers in 90o angles, and second section finally is reinforced into steel pipe and connect with first segment reinforcing butt welding of steel tube, ring weldering
Seam inner side is welded with lining steel plate B；
6）Remove the chock that hoisting tray and first segment are reinforced between steel pipe, hoisting tray is moved into second section reinforces steel
Pipe lower end, reinforces steel pipe by hoisting tray and second section with chock and is tightly combined, and is carried second section reinforcing steel pipe with hoisting machine tool
A height for saving steel pipe is risen, its absolute altitude, levelness, perpendicularity and concentricity is adjusted；
7）Repeat step 5）With 6）, until first segment, which reinforces steel pipe lifting, arrives designed elevation, remove stone base of column steel pipe upper end
Ring flat-plate is positioned, the semicircle steel pipe of corresponding length is intercepted according to the spacing reinforced between steel pipe and stone base of column steel pipe, minor details reinforce steel pipe
The first longitudinal measure of two semicircle steel pipes, minor details are then reinforced into steel pipe and reinforce steel-pipe welding with stone base of column steel pipe and top respectively；
8）First segment reinforces suitable for reading be provided with sealing rubber ring, tip side wall in steel pipe top and is provided with steam vent, is vented
Wedge-shaped rubber plug is installed, minor details reinforce steel pipe and are reserved with injected hole at hole, welds in Grouting Pipe, Grouting Pipe and pacify in slip casting hole site
Slurry valve is filled with, slip casting is carried out under grouting pressure effect, slip casting keeps grouting pressure after finishing, slip casting valve, closing is closed
Grouting Pipe outside grouting port, finally unloads slip casting valve.
Step 3）Middle first segment is reinforced steel pipe upper and lower ends and fixed temporarily using stainless steel lathe dog, the first point of two semicircle steel pipes
Weldering positioning, unloads stainless steel lathe dog, and then from both sides simultaneously to longitudinal seam welding, two semicircle steel pipes are welded as a whole composition
First segment reinforces steel pipe.
Step 5）Middle second section is reinforced steel pipe lower end and fixed temporarily with stainless steel lathe dog, and positioning fixture is installed in upper end, passes through
The bolt of positioning fixture is adjusted, makes two half rounds pipe threads that second section reinforces steel pipe tightly, adjusts its perpendicularity and concentricity, and
Steel pipe is reinforced with top first segment and keeps straight, two semicircle steel pipes of longitudinal measure, and finally welding reinforces steel pipe pair with first segment
The circumferential welded seam connect, unloads fixture and completes the installation that second section reinforces steel pipe.
The one piece of lining steel plate A one end reinforced in steel pipe is welded on a semicircle steel pipe, another piece of lining steel plate A one end
It is welded on another semicircle steel pipe；Lining steel plate B one end is welded on the top of the reinforcing steel pipe of lower section.
Positioning wavy spring is welded with the inside of lining steel plate B, steel pipe is reinforced to fixed, it is ensured that reinforce steel pipe and concrete
Bar is concentric.
For constituting, first segment reinforces steel pipe and second section reinforces semicircle steel pipe, lining steel plate A, the lining steel plate B of steel pipe
It is hot-dip galvanizing sheet steel.
Semicircle steel pipe is rolled by checkered steel plate to be formed, and has decorative pattern one facing to the inside.
Step 8）Middle first segment is reinforced and outer reinforcement steel pipe is welded with the outside of steel pipe top, and outer reinforcement steel pipe is provided with and first
The hole that the steam vent that section is reinforced on steel pipe is engaged, wedge-shaped rubber plug passes through outer reinforcement steel pipe.
Step 8）Middle injecting paste material is contraction-free grouting concrete, is tapped while slip casting with hand hammer on the outside of steel pipe, passes through sound
Judge compactness of grouting, it is found that the position hand hammer for having hollowing is tapped makes it further closely knit.
Welding slag and splash at trimming, trimming surface and oil contaminant and grease are protected to exposing new metal covering
Drying is held, the face of weld of zinc rich paint spray painting or the method coating brushed after the cleaning is sprayed next time again after air-drying
Brush, until completing weld seam anti-corrosion.
The present invention is by the additional steel pipe on the outside of substation truss concrete frame, and the slip casting in steel pipe, becomes
Concrete filled steel tube, steel pipe, slurry, concrete frame collectively constitute new stress system, play to transformer substation framework, equipment branch
The purpose that frame is reinforced.
The present invention uses outer steel pipe grouting and reinforcing method, and outer steel pipe is installed using lift method, it is to avoid work high above the ground, to become
Power station concrete structure support provides a kind of new reinforcement technique, and this technology does not need work high above the ground, and all reinforcing operations exist
Ground is completed, it is adaptable to which ∏ shapes, the reinforcing of T-shaped structure support concrete frame, the structure support concrete frame after reinforcing meet bearing capacity
And life requirement, extension transformer station service life, it is not necessary to which large-scale redevelopment, construction declaration process is simply time saving, with drop
The characteristics of low upgrading cost, shortening transform the duration and are safe and reliable.
Simultaneously as former concrete structure support need not be removed, it is to avoid a large amount of building wastes discharges, economize on resources, be
A kind of strengthening reconstruction technology of environmental type.In the case where concrete frame is without supporter, ∧ shapes, A shape structures can be used for
The reinforcing of support concrete frame, and similar concrete frame reinforcing, can be applicable with the dangerous place of work high above the ground non-contact electric
In the reinforcing of most of concrete frames.
Brief description of the drawings
Fig. 1：∏ shape framework schematic diagrames.
Fig. 2：Stone base of column penstock installation schematic diagram.
Fig. 3：Stone base of column steel pipe locating ring scheme of installation.
Fig. 4：First segment reinforces penstock installation schematic diagram.
Fig. 5：Reinforce steel pipe longitudinal seam lining steel plate schematic diagram.
Fig. 6：Reinforce steel pipe circumferential welded seam lining steel plate schematic diagram.
Fig. 7：Hoisting tray structural representation.
Fig. 8：Hoisting tray scheme of installation.
Fig. 9：Hoisting machine tool scheme of installation.
Figure 10：Reinforce lifting steel pipes lifting schematic diagram.
Figure 11：N sections reinforce penstock installation positioning schematic diagram.
Figure 12：Positioning fixture structural representation.
Figure 13：Grouting Pipe scheme of installation.
Figure 14：First segment reinforces steel pipe exhaust and sealing schematic diagram.
Figure 15：Slip casting schematic diagram.
Figure 16：Across connecting plate schematic diagram.
Figure 17：Herringbone structure support concrete frame top connection diagram.
Embodiment
A kind of substation truss concrete frame reinforcement means, is mainly comprised the following steps：
1）As shown in figure 1, the isolated footing 2 of substation truss concrete frame 1 is excavated, by the isolated footing 2 after excavation
Removing surface is clean, dabbing, water spray moistening；
2）As shown in Fig. 2 installing stone base of column steel pipe 4 in the lower end of concrete frame 1, isolated footing 2 is anchored at by bar planting bolt 5
Within, stone base of column steel pipe 4 is made up of two semicircle steel pipes, on the top of isolated footing 2 and surrounding pouring reinforcement concrete 3, makes independence
Basis is firmly combined with armored concrete；
3）As in Figure 3-5, positioned in the upper ends of stone base of column steel pipe 4 and first segment reinforcing is installed on ring flat-plate 6, positioning ring flat-plate 6
Steel pipe 7, first segment is reinforced steel pipe 7 and is welded to form by two semicircle steel pipes, and the inner side of longitudinal seam 9 of two semicircle steel pipes is welded with
Two pieces of lining steel plate A 25, one piece of one end of lining steel plate A 25 is welded on a semicircle steel pipe, another piece of lining steel plate A 25
One end is welded on another semicircle steel pipe, and adjustment first segment reinforces the perpendicularity and flatness of steel pipe 7, is protected with concrete frame 1
Hold with one heart；When installing first segment reinforcing steel pipe 7, upper and lower ends are temporarily fixed using stainless steel lathe dog 8 first, two semicircle steel pipes
Spot welding is positioned, and then unloads stainless steel lathe dog 8, and from both sides simultaneously to the welding of longitudinal seam 9, two semicircle steel pipes are welded as a whole
Constitute first segment and reinforce steel pipe 7；
4）As is seen in figs 7-10, the outer installation hoisting tray 10 of steel pipe 7 is reinforced in first segment, hoisting tray 10 adds with first segment
Gu being tightly combined between steel pipe 7 by chock 11, hoisting tray 10 is hooked with suspension hook 12, starting hoisting machine tool makes Hydraulic jip 13
First segment is reinforced into the height that steel pipe 7 lifts a section steel pipe, its absolute altitude, levelness, perpendicularity and concentricity etc. is adjusted；Chock is
Iron wedge or gad or other have the chock of larger intensity；
5）As shown in figure 11, reinforce the lower end of steel pipe 7 in first segment and second section reinforcing steel pipe 14 is installed, second section reinforces steel pipe
14 are welded to form by two semicircle steel pipes, and the inner side of the longitudinal seam of two semicircle steel pipes 9 is welded with lining steel plate A 25, adjustment the
Two sections reinforce the perpendicularity and concentricity of steel pipe 14, and reinforcing steel pipe 7 with first segment keeps straight, and second section reinforces the two of steel pipe 14
The weld seam that the weld seam of individual semicircle steel pipe reinforces steel pipe 7 with first segment staggers in 90o angles, and second section finally is reinforced into steel pipe 14 and the
One section reinforces the butt welding of steel pipe 7, as shown in fig. 6, lining steel plate B 26 is welded with the inside of circumferential welded seam, lining steel plate B's 26
One end is welded on the inside of the top of the reinforcing steel pipe of lower section, lining steel plate B26 and is welded with positioning wavy spring 27, for fixing
First segment reinforces steel pipe 7 and second section reinforces the position of steel pipe 14, it is ensured that concentric with concrete frame 1；Second section is installed and reinforces steel
During pipe 14, second section is reinforced the lower end of steel pipe 14 and fixed temporarily with stainless steel lathe dog 8 first, and positioning fixture 15 is installed in upper end, passes through
The bolt 16 of positioning fixture 15 is adjusted, makes two half rounds pipe threads that second section reinforces steel pipe 14 tightly, as shown in figure 12, adjusts it
Perpendicularity and concentricity, and keep straight with top first segment reinforcing steel pipe 7, two semicircle steel pipes of longitudinal measure are finally welded
The circumferential welded seam 17 that steel pipe 7 is docked is reinforced with first segment, fixture 15 is unloaded and completes the installation that second section reinforces steel pipe 14；
For constituting, first segment reinforces steel pipe 7 and second section reinforces semicircle steel pipe, lining steel plate A 25, the liner of steel pipe 14
Steel plate B 26 is hot-dip galvanizing sheet steel；Wherein, semicircle steel pipe is rolled by checkered steel plate forms, and has decorative pattern one facing to the inside, just
It is tightly combined firmly in the slurry of later stage slip casting with reinforcing steel pipe, structure support concrete frame.
6）Remove the chock 11 that hoisting tray 10 and first segment are reinforced between steel pipe 7, hoisting tray 10 is moved to second
Section reinforces the lower end of steel pipe 14, and hoisting tray 10 and second section are reinforced into steel pipe 14 with chock 11 is tightly combined, will with hoisting machine tool
Second section reinforces the height that the lifting of steel pipe 14 one saves steel pipe, adjusts its absolute altitude, levelness, perpendicularity and concentricity；Chock is iron
Wedge or gad or other have the chock of larger intensity；
7）Repeat step 5）With 6）, until first segment, which reinforces the lifting of steel pipe 7, arrives designed elevation, remove the upper end of stone base of column steel pipe 4
Positioning ring flat-plate 6, the semicircle steel pipe of corresponding length is intercepted according to the spacing reinforced between steel pipe and stone base of column steel pipe 4, minor details are reinforced
Then minor details are reinforced steel pipe and reinforce steel pipe with stone base of column steel pipe 4 and top respectively by the first longitudinal measure of two semicircle steel pipes of steel pipe
Welding；
8）As illustrated in figs. 13-15, first segment, which is reinforced, is welded with outer reinforcement steel pipe 22 on the outside of the top of steel pipe 7, first segment is reinforced
The top of steel pipe 7 is suitable for reading to be provided with sealing rubber ring 23, on the one hand plays a part of sealing and keeps grouting pressure, and prevents rainwater from oozing
Enter, first segment is reinforced steel pipe 7 and keep concentric with concrete frame 1；Steam vent, outer reinforcement are provided with tip side wall
Steel pipe 22, which is provided with the hole that the steam vent reinforced with first segment on steel pipe 7 is engaged, steam vent, installs wedge-shaped rubber plug 24, wedge
Shape rubber stopper 24 is through outer reinforcement steel pipe 22, and slurry is when reinforcing motion upwards in steel pipe, and the air reinforced in steel pipe is from first
Section is reinforced steel pipe 7 top and is drained, in the preassembled automatic sealing package of wedge-shaped rubber plug 24 at steam vent in the presence of slurry pressure
Close so that internal slurry pressure energy is enough kept；Minor details reinforce steel pipe and are reserved with injected hole 18, and Grouting Pipe is welded in slip casting hole site
19, slip casting valve 20 is installed in Grouting Pipe 19；
Slip casting is carried out under grouting pressure effect, injecting paste material is contraction-free grouting concrete, is tapped while slip casting with hand hammer
On the outside of steel pipe, compactness of grouting is judged by sound, it is found that the position hand hammer for having hollowing is tapped makes its further closely knit, slip casting
Grouting pressure is kept after finishing, slip casting valve 20 is closed, the Grouting Pipe 19 outside flat grouting port is pressed from both sides using hydraulically operated fixture 21, makes slip casting
Grouting Pipe 19 outside mouthful is closed, and finally unloads slip casting valve 20.
All weld seams should clean out welding slag and splash, and trimming surface and oil contaminant and grease are to exposing new metal
Face, and drying is kept, the face of weld of zinc rich paint spray painting or the method coating brushed after the cleaning is carried out down again after air-drying
Spary, until completing weld seam anti-corrosion.
Concrete frame 1 after reinforcing is changed into concrete filled steel tube, to reach preferable consolidation effect, before slurry solidification
Structure support must not should be had antifreezing measures by External force interference during winter construction, should be tried one's best during hot weather construction avoids sizzler slip casting.
The present invention uses outer steel pipe grouting and reinforcing method, and outer steel pipe is installed using lift method, it is to avoid work high above the ground, to become
Power station concrete structure support provides a kind of new reinforcement technique, and this technology does not need work high above the ground, and all reinforcing operations exist
Ground is completed, and the structure support concrete frame after reinforcing meets bearing capacity and life requirement, and extension transformer station service life is not required to
Large-scale redevelopment is wanted, construction declaration process is simply time saving, with reduction upgrading cost, shorten the transformation duration and safe and reliable
The characteristics of.Simultaneously as former concrete structure support need not be removed, it is to avoid a large amount of building wastes discharges, economize on resources, be one
Plant the strengthening reconstruction technology of environmental type.
When having barrier in concrete frame altitude range, it is impossible to make it that reinforcing steel pipe reaches concrete highest by lifting
Position, as shown in figure 16, reinforces steel pipe and does not use method for improving, but is directly buckled in outside concrete frame, is connected using crossing over
Part 28, which allows above and below barrier position, to be reinforced fastener for connection and is integrated；Disconnected by force at barrier due to reinforcing steel pipe, up and down
Reinforcing steel pipe needs sealing at this position, and encapsulating method is with reference to above-mentioned steps 8）Carry out, and installation makes two slip casting communicating pipes
Steel pipe connection slip casting above and below obtaining；Due to needing work high above the ground, reinforcing process can take the method construction that region has a power failure, enter one by one
Row strengthening reconstruction.
Present invention is typically used in ∏ shapes, T-shaped transformer substation framework, equipment supporter concrete frame, ∧ shapes, A shapes can be used for
The reinforcing of structure support concrete frame, can be with the dangerous place of work high above the ground non-contact electric, it is adaptable to most of concrete frames plus
Gu.
In ∧ shapes, A shape structure supports concrete frame are reinforced, because concrete frame is oblique, the difficulty of lifting, slip casting is added
Degree, top steam vent is noted towards most significant end；, can be with due to there is cross-brace not apply to lift method construction in the middle of A shape structure supports
With reference to way when having barrier in concrete frame altitude range, constructed using brown-outs method；∧ shapes, A shape structure top of support
End is needed to be connected as one with connecting bolt 29, and the reinforcing fastener for connection of left and right two is integrated.
To ensure safe handling, strengthening reconstruction must is fulfilled for the requirement of current specifications, and work progress should have reliable peace
Full measure, strictly observes high-voltage safety required distance, prohibits the use of long, high metal instrument, and sleety weather forbids outdoor study, welds
Welding spark is should guard against in termination process and is splashed and causes accident.
Claims (10)
1. a kind of substation truss concrete frame reinforcement means, it is characterised in that mainly comprise the following steps：
1）Excavate substation truss concrete frame（1）Isolated footing（2）, by the isolated footing after excavation（2）Removing surface
Totally, dabbing, water spray moistening；
2）In concrete frame（1）Lower end is installed by stone base of column steel pipe（4）, stone base of column steel pipe（4）It is made up of two semicircle steel pipes, passes through bar planting
Bolt（5）It is anchored at isolated footing（2）Within, in isolated footing（2）Top and surrounding pouring reinforcement concrete（3）；
3）In stone base of column steel pipe（4）Upper ends position ring flat-plate（6）, position ring flat-plate（6）Upper installation first segment reinforces steel pipe（7）, the
One section reinforces steel pipe（7）It is welded to form by two semicircle steel pipes, the longitudinal seam of two semicircle steel pipes（9）Inner side is welded with liner
Steel plate A（25）, adjustment first segment reinforcing steel pipe（7）Perpendicularity and flatness, with concrete frame（1）Keep concentric；
4）Steel pipe is reinforced in first segment（7）Outer installation hoisting tray（10）, hoisting tray（10）Steel pipe is reinforced with first segment（7）It
Between pass through chock（11）It is tightly combined, starts hoisting machine tool, use suspension hook（12）Hook hoisting tray（10）, first segment is reinforced into steel
Pipe（7）Lifting one saves the height of steel pipe, adjusts its absolute altitude, levelness, perpendicularity and concentricity；
5）Steel pipe is reinforced in first segment（7）Second section is installed and reinforces steel pipe in lower end（14）, second section reinforcing steel pipe（14）By two
Semicircle steel pipe is welded to form, the longitudinal seam of two semicircle steel pipes（9）Inner side is welded with lining steel plate A（25）, adjust second section
Reinforce steel pipe（14）Perpendicularity and concentricity, with first segment reinforce steel pipe（7）Keep straight, second section reinforces steel pipe（14）'s
The weld seam of two semicircle steel pipes reinforces steel pipe with first segment（7）Weld seam stagger in 90o angles, second section is finally reinforced into steel pipe
（14）Steel pipe is reinforced with first segment（7）Butt welding, circumferential welded seam（17）Inner side is welded with lining steel plate B（26）；
6）Remove hoisting tray（10）Steel pipe is reinforced with first segment（7）Between chock（11）, by hoisting tray（10）It is moved to
Second section reinforces steel pipe（14）Lower end, uses chock（11）By hoisting tray（10）Steel pipe is reinforced with second section（14）It is tightly combined,
Second section is reinforced into steel pipe with hoisting machine tool（14）Lifting one saves the height of steel pipe, adjusts its absolute altitude, levelness, perpendicularity and same
Heart degree；
7）Repeat step 5）With 6）, until first segment reinforces steel pipe（7）Designed elevation is lifted, stone base of column steel pipe is removed（4）Upper end
Positioning ring flat-plate（6）, according to reinforcing steel pipe and stone base of column steel pipe（4）Between spacing intercept corresponding length semicircle steel pipe, minor details
Reinforce the first longitudinal measure of two semicircle steel pipes of steel pipe, then by minor details reinforce steel pipe respectively with stone base of column steel pipe（4）With top plus
Gu steel-pipe welding；
8）First segment reinforces steel pipe（7）Top is suitable for reading to be provided with sealing rubber ring（23）, steam vent is provided with tip side wall, is arranged
Wedge-shaped rubber plug is installed at stomata（24）, minor details reinforce steel pipe be reserved with injected hole（18）, Grouting Pipe is welded in slip casting hole site
（19）, Grouting Pipe（19）Upper installation slip casting valve（20）, slip casting is carried out under grouting pressure effect, slip casting keeps slip casting after finishing
Pressure, closes slip casting valve（20）, close the Grouting Pipe outside grouting port（19）, finally unload slip casting valve（20）.
2. a kind of substation truss concrete frame reinforcement means according to claim 1, it is characterised in that：Step 3）In
One section reinforces steel pipe（7）Upper and lower ends use stainless steel lathe dog（8）Interim fixed, the first spot welding positioning of two semicircle steel pipes is unloaded
Stainless steel lathe dog（8）, then from both sides simultaneously to longitudinal seam（9）Welding, two semicircle steel pipes are welded as a whole composition first
Section reinforces steel pipe（7）.
3. a kind of substation truss concrete frame reinforcement means according to claim 1, it is characterised in that：Step 5）In
Two sections reinforce steel pipe（14）Lower end stainless steel lathe dog（8）Interim fixed, positioning fixture is installed in upper end（15）, positioned by adjusting
Fixture（15）Bolt（16）, second section is reinforced steel pipe（14）Two half rounds pipe threads it is tight, adjust its perpendicularity and with one heart
Degree, and reinforce steel pipe with top first segment（7）Straight, two semicircle steel pipes of longitudinal measure are kept, finally welding adds with first segment
Gu steel pipe（7）The circumferential welded seam of docking（17）, unload fixture（15）Complete second section and reinforce steel pipe（14）Installation.
4. a kind of substation truss concrete frame reinforcement means according to claim 1, it is characterised in that：Reinforce in steel pipe
One piece of lining steel plate A（25）One end is welded on a semicircle steel pipe, another piece of lining steel plate A（25）One end is welded on another
On individual semicircle steel pipe；Lining steel plate B（26）One end is welded on the top of the reinforcing steel pipe of lower section.
5. a kind of substation truss concrete frame reinforcement means according to claim 1, it is characterised in that：Lining steel plate B
（26）Inner side is welded with positioning wavy spring（27）, reinforce steel pipe to fixed, it is ensured that reinforce steel pipe and concrete frame（1）Together
The heart.
6. a kind of substation truss concrete frame reinforcement means according to claim 1, it is characterised in that：For constituting the
One section reinforces steel pipe（7）Steel pipe is reinforced with second section（14）Semicircle steel pipe, lining steel plate A（25）, lining steel plate B（26）It is
Hot-dip galvanizing sheet steel.
7. a kind of substation truss concrete frame reinforcement means according to claim 1 or 6, it is characterised in that：Half rounds
Pipe is rolled by checkered steel plate and formed, and has decorative pattern one facing to the inside.
8. a kind of substation truss concrete frame reinforcement means according to claim 1, it is characterised in that：Step 8）In
One section reinforces steel pipe（7）Outer reinforcement steel pipe is welded with the outside of top（22）, outer reinforcement steel pipe（22）It is provided with and is reinforced with first segment
Steel pipe（7）On the hole that is engaged of steam vent, wedge-shaped rubber plug（24）Through outer reinforcement steel pipe（22）.
9. a kind of substation truss concrete frame reinforcement means according to claim 1, it is characterised in that：Step 8）Middle note
Pulp material is contraction-free grouting concrete, is tapped while slip casting with hand hammer on the outside of steel pipe, compactness of grouting is judged by sound, is found
The position hand hammer for having hollowing, which is tapped, makes it further closely knit.
10. a kind of substation truss concrete frame reinforcement means according to claim 1, it is characterised in that：Trimming
The welding slag and splash at place, trimming surface and oil contaminant and grease keep drying to exposing new metal covering, and zinc rich paint is used
Spray painting or the method brushed apply face of weld after the cleaning, and spary next time is carried out again after air-drying, and prevent until completing weld seam
It is rotten.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107989392A (en) * | 2017-11-27 | 2018-05-04 | 山东电力工业锅炉压力容器检验中心有限公司 | A kind of damaged damage reinforcement means of power transmission and transformation reinforced concrete pipe |
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| JPH11222821A (en) * | 1998-02-04 | 1999-08-17 | East Japan Railway Co | Reinforcing method of reinforced concrete column |
| JP2006342517A (en) * | 2005-06-07 | 2006-12-21 | Tokyo Electric Power Co Inc:The | Steel-tower reinforcing construction method |
| CN101839074A (en) * | 2010-06-22 | 2010-09-22 | 中国建筑第二工程局有限公司 | Steel frame reinforced column and reinforcing method thereof |
| CN103711329A (en) * | 2013-12-30 | 2014-04-09 | 北京工业大学 | Method for reinforcing structure by means of method of externally attaching steel-reinforced concrete framework |
| CN104481165A (en) * | 2014-12-09 | 2015-04-01 | 卜良桃 | Pressurizing and fixing device and reinforcing method for adhered steel plate of reinforced concrete beam |
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| JPH11222821A (en) * | 1998-02-04 | 1999-08-17 | East Japan Railway Co | Reinforcing method of reinforced concrete column |
| JP2006342517A (en) * | 2005-06-07 | 2006-12-21 | Tokyo Electric Power Co Inc:The | Steel-tower reinforcing construction method |
| CN101839074A (en) * | 2010-06-22 | 2010-09-22 | 中国建筑第二工程局有限公司 | Steel frame reinforced column and reinforcing method thereof |
| CN103711329A (en) * | 2013-12-30 | 2014-04-09 | 北京工业大学 | Method for reinforcing structure by means of method of externally attaching steel-reinforced concrete framework |
| CN104481165A (en) * | 2014-12-09 | 2015-04-01 | 卜良桃 | Pressurizing and fixing device and reinforcing method for adhered steel plate of reinforced concrete beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107989392A (en) * | 2017-11-27 | 2018-05-04 | 山东电力工业锅炉压力容器检验中心有限公司 | A kind of damaged damage reinforcement means of power transmission and transformation reinforced concrete pipe |
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