CN104653227B - Construction method of movable shielding iron box crossing tunnel top plate - Google Patents
Construction method of movable shielding iron box crossing tunnel top plate Download PDFInfo
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- CN104653227B CN104653227B CN201510004280.8A CN201510004280A CN104653227B CN 104653227 B CN104653227 B CN 104653227B CN 201510004280 A CN201510004280 A CN 201510004280A CN 104653227 B CN104653227 B CN 104653227B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 316
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 158
- 238000010276 construction Methods 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 48
- 239000004567 concrete Substances 0.000 claims abstract description 43
- 238000003466 welding Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 239000002023 wood Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000011178 precast concrete Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- GZEDKDBFUBPZNG-UHFFFAOYSA-N tridec-1-yne Chemical compound CCCCCCCCCCCC#C GZEDKDBFUBPZNG-UHFFFAOYSA-N 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 229910000746 Structural steel Inorganic materials 0.000 abstract 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000002362 mulch Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Revetment (AREA)
Abstract
The invention relates to the field of building, and more particularly relates to a construction method of a movable shielding iron box crossing tunnel top plate. The construction method comprises the following steps: a, installing embedded parts and unhooking; b, installing a shielding iron box; c, installing lifting hooks; d, taking an external sleeve in place; e, installing plug members; f, welding and fixing the sleeve; g, pouring concrete inside and outside the sleeve; h, lifting a prefabricated concrete cover plate; I, embedding secondary structural steel reinforces and water-stop plates; j, pouring concrete on the tunnel top plate; k, completing the construction. The construction method of the movable shielding iron box crossing tunnel top plate provided by the invention can realize the movement of a sub-box so as to facilitate the maintenance and reutilization of the sub-box; the sub-box adopts the installation technology, so that quick installation can be realized, the installation accuracy can be guaranteed, and the integral lifting of the sub-box can be realized; the secondary structural steel reinforces and the water-stop plates are reserved, so that the secondary structural construction needed in later can be facilitated, and the construction quality is guaranteed; due to the adoption of the concrete cover plate, the shielding iron box can be effectively protected during the construction process.
Description
Technical field
The present invention relates to building field, more particularly relate to a kind of mobile model shielding can crossing-river tunnel top board construction side
Method.
Background technology
Due to the special nature of neutron, neutron detection device has become the indispensable sharp weapon of scientist.Build high-performance
Spallation neutron target, become the important means that current developed country lifts sci-tech innovation ability already, be embody one national
The large-scale scientific research device of scientific and technological level, economic level and industry water equality comprehensive strength.And neutron has high-strength penetrating
Ability, its radiation hazradial bundle is big, for more preferable shielding neutron irradiation, needs for neutron shield box to be embedded in underground.
Due to the construction of neutron box and its particular/special requirement of radiation proof, neutron box and its installation are all proposed higher
Require, construction technology of the prior art cannot meet its requirement；In addition for the purpose that neutron box is reused, in neutron
Have to during the construction and installation of box hang workplace problem in view of the neutron box later stage, and construction of the prior art
Technology also cannot realize function, therefore, neutron box technical field of construction this difficult problem in the urgent need to address.
Content of the invention
The present invention is at least one defect overcoming described in above-mentioned prior art, provides a kind of mobile model shielding can to pass through
Tunnel roof construction method.
It is contemplated that at least solving above-mentioned technical problem to a certain extent.
For solving above-mentioned technical problem, technical scheme is as follows：
A kind of mobile model shielding can crossing-river tunnel top board construction method is it is characterised in that comprise the steps of：
A., built-in fitting and unhook are installed：After the completion of base plate steel bar binding below can, measurement and positioning, along along proton beam
Two pieces of unhook built-in fittings, the upright projection of the line of centres of two pieces of unhook built-in fittings and proton beam center line are installed before and after heart line
Overlap, and make unhook built-in fitting and baseplate reinforcing bar firm welding；Outer sleeve built-in fitting is set outside can sideline；Then pour
Underplate concrete, and make underplate concrete concordant with the plate face of unhook built-in fitting and sleeve built-in fitting；Then two are broken off relations and divide
It is not weldingly fixed on unhook built-in fitting；
B. shielding can is installed：Described shielding can by 12 kinds of models, pile up and form by totally two tridecyne iron blocks, described iron
Block is：Number iron block, No. two iron blocks, No. three iron blocks, each one piece of No. seven iron blocks, No. four iron blocks, No. five iron blocks, No. six iron blocks, nine
Number iron block, ride on Bus No. 11 iron block, each two pieces of ten No. two iron blocks, three pieces of No. eight iron blocks, four pieces of No. ten iron blocks；A described iron block is to ten
The length of No. two iron blocks：Wide：High ratio is followed successively by：110:110:25、60:60:25、40：40：50、100：160：250、150：
110：25、60：50：10、110：110：25、60：60：25、100：160：25、100：110：25、150：60：25、50：40：10；
The erection sequence of each iron block is as follows：Two pieces of bottom nine iron block → installation bottom five iron block → installation bottom six iron is installed
One piece of block → No. three iron blocks of installation → precision adjustment → install front side two iron block → ten No. two iron blocks one in installation left side
Block → one piece of installation right side 12 iron block → install one piece of top six iron block → installation front side one iron block → installation left side
One piece of side ride on Bus No. 11 iron block → three pieces of installation No. eight iron blocks of rear side → install right side one piece of ride on Bus No. 11 iron block → installation top five
Number one piece of iron block → two pieces of installation left side ten iron block → install two pieces of No. ten iron blocks on the right side of No. seven iron blocks of rear side → installation →
Two pieces of top four iron block is installed；
C. suspension hook is installed：One group of lifting assembly of each setting in two pieces of No. four iron block centers at shielding can top；
D. outer sleeve is in place：Described outer sleeve includes interior steel plate, outer steel plate, gripper shoe and base plate, first from can
Amount 15mm makes the inner edge of outer sleeve, then makes sleeve outer edge, then outside welding outer sleeve on pre-embedded steel slab
Line locator card, then lifting outer sleeve is in place；
E., plug member is installed：In the range of the about 500mm of the top of outer sleeve, clog little wood a tree, used in making timber for boats and reinforcing bar and can between,
Its medium and small wood a tree, used in making timber for boats corresponds to the position of gripper shoe, and described reinforcing bar corresponds to the position between gripper shoe.
F. sleeve weld is fixed：Outside sleeve, root is pre- with outer sleeve by sleeve with outer sleeve built-in fitting contact position
Embedded part full weld connects；
G. pour concrete inside and outside sleeve：From the outer steel plate outside burst assembling reinforcement of outer sleeve, and set in sleeve
Put joint bar, then inside and outside sleeve, pour into a mould C40 concrete, adopt plank and plastic sheeting to shielding can in casting process and
Protected with sleeve gap；
H. hoisting prefabricated concrete cover：After taking out the interim plug member between can and external wrapping concrete, hoisting prefabricated mixed
Solidifying earth mulch plate 016, after precast concrete cover is in place, tamps the sky between cover plate and periphery xoncrete structure using airtight glue
Gap；
I. pre-buried secondary structure reinforcing bar and seal plate：After the completion of top board bottom two-way concrete slab colligation, double in top board bottom
To on reinforcing bar, pre-buried secondary structure bottom layer of the reinforcing steel and sleeve, tightly encapsulate sleeve using plastic sheeting, afterwards pre-buried secondary structure
Steel plate for sealing water, then pre-buried secondary structure reinforcing bar and sleeve under top board top bars, tightly encapsulate sleeve using plastic sheeting,
Last colligation top board upper strata two-way concrete slab；
J. tunnel roof concreting：Pour tunnel roof C30/P8 concrete；
K. construction completes.
Compared with prior art, the beneficial effect of technical solution of the present invention is：
Mobile model provided by the present invention shields can crossing-river tunnel top board construction method, is capable of the entirety of neutron box
Be movable so as to neutron box hangs workplace；Neutron box adopts above-mentioned mounting process, can not only realize Fast Installation and
And can guarantee that installation accuracy and rigidity and enable the integral lifting of neutron box；Due to reserved secondary structure reinforcing bar and seal plate,
Subsequent construction can be facilitated, and ensure the secondary structure construction quality in the future needing to carry out；Due to adopting concrete cover, therefore
Can effective protection shielding can in work progress.
Further, as the preferred size of neutron box, the size of a described iron block is 1100mm x 1100mm x
250mm, the size of described No. two iron blocks is 600mm x 600mm x 250mm, and the size of described No. three iron blocks is 400mm x
400mm x 500mm, the size of described No. four iron blocks is 1000mm x 1600mm x 250mm, the size of described No. five iron blocks
For 1500mm x 1100mm x 250mm, the size of described No. six iron blocks is 600mm x 500mm x 100mm, described No. seven
The size of iron block is 1100mm x 1100mm x 250mm, and the size of described No. eight iron blocks is 600mm x 600mm x
250mm, the size of described No. nine iron blocks is 1000mm x 1600mm x 250mm, and the size of described No. ten iron blocks is 1000mm
X 1100mm x 250mm, the size of described ride on Bus No. 11 iron block is 1500mm x 600mm x 250mm, described ten No. two iron blocks
Size be 500mm x 400mm x 100mm.
Further, for ensureing the stability of neutron box, the size of described unhook built-in fitting 02 is：300mm（Long）×
300mm（Wide）×30mm（Thick）, floor elevation -12.600m, clear distance 700mm between two pieces of unhook built-in fittings 02, with can center
It is symmetrical arranged in front and back；, from can sideline 420mm, it is a size of for described sleeve built-in fitting 03：200mm（Wide）× 10mm is (thick）, its
Floor elevation -13.200m；
Further, for ensureing the installation accuracy of neutron box, two break off relations that 05 line of centres is vertical with beam centre line throws
Shadow overlaps, and the center distance of two unhook is 1000mm.
Further, it is steel for ensureing the installation quality of neutron box, described unhook built-in fitting 02 and sleeve built-in fitting 03
Plate, its surface smoothness is 1mm；The surface smoothness of described underplate concrete 04 is 5mm.
Further, preferably, described locator card 013 is L5 angle steel, length is 50mm.
Further, for ease of lifting construction, the size of described precast concrete cover 14 is：2400mm（Long）
x2000mm（Wide）x200mm（High）, precast concrete cover 016 upper surface is provided with four suspension ring, described suspension ring are along length
Direction spacing 1600mm, spacing 1200mm in the width direction.
Further, for ensureing that the gap of outer sleeve and this part of shielding box is 14-15mm, little wood a tree, used in making timber for boats in described step e
014 is the cube lumps of wood of 15mm for the length of side, a diameter of 14mm of reinforcing bar 015.
Further, for meeting the waterproof requirement of secondary construction, the size of the steel plate for sealing water in step i is 150mm（Wide）
×4mm（Thick）, and steel plate for sealing water is embedded in the middle part of top board.
Brief description
Fig. 1 is the flow chart of " mobile model shields can crossing-river tunnel top board construction method ".
Fig. 2 is the sectional view of installation of embedded parts.
Fig. 3 is the top view of installation of embedded parts.
Fig. 4 is shielding can scheme of installation.
Fig. 5 is shielding can top view.
Fig. 6 is the sectional view in Fig. 5 along line B-B.
Fig. 7 is the left view of shielding can.
Fig. 8 is the sectional view in Fig. 7 along line D-D.
Fig. 9 is suspension hook scheme of installation.
Figure 10 installs schematic top plan view for sleeve.
Figure 11 installs schematic front view for sleeve.
Figure 12 installs schematic top plan view for plug member.
Figure 13 installs schematic front view for plug member.
Figure 14 is to pour concrete schematic diagram inside and outside sleeve.
Figure 15 is hoisting prefabricated concrete cover schematic diagram.
Figure 16 is pre-buried secondary structure reinforcing bar and seal plate schematic diagram.
Figure 17 is the partial enlarged drawing of A in Figure 16.
Figure 18 is tunnel roof concreting schematic diagram.
Brief description：
1. an iron block；2. No. two iron blocks；3. No. three iron blocks；4. No. four iron blocks；5. No. five iron blocks；6. No. six iron blocks；7.
Each one piece of No. seven iron blocks；8. No. eight iron blocks；9. No. nine iron blocks；10. four pieces of No. ten iron blocks；11. ride on Bus No. 11 iron blocks；12. ten No. two
Iron block；13. neutron entrances；20. preformed holes.
Being for illustration only property of accompanying drawing illustrates it is impossible to be interpreted as the restriction to this patent；In order to more preferably the present embodiment is described, attached
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
In accompanying drawing, some known features and its explanation may be omitted and be will be understood by.Same or analogous label correspondence is same or similar
Part；Described in accompanying drawing, the being for illustration only property of term of position relationship illustrates it is impossible to be interpreted as the restriction to this patent；
Specific embodiment
With reference to the accompanying drawings and examples technical scheme is described further.
Embodiment 1
1. a kind of mobile model shielding can crossing-river tunnel top board construction method is it is characterised in that comprise the steps of：
A., built-in fitting and unhook are installed：After the completion of baseplate reinforcing bar 00 colligation below can, measurement and positioning, along proton beam
Installing two block sizes before and after 01 center line is：300mm（Long）×300mm（Wide）×30mm（Thick）Unhook built-in fitting 02, two pieces
The line of centres of unhook built-in fitting 02 is overlapped with the upright projection of proton beam center line, the floor elevation of unhook built-in fitting 02
For -12.600m, between two pieces of unhook built-in fittings 02, clear distance 700mm, center distance are 1000mm, with symmetrical before and after can center
Setting, after the completion of positioning, by unhook built-in fitting 02 and baseplate reinforcing bar 00 firm welding；From can sideline outside can sideline
420mm is arranged a size of：200mm（Wide）× 10mm is (thick）Outer sleeve built-in fitting 03, and make described sleeve built-in fitting 03
Floor elevation is -13.200m；Described unhook built-in fitting 02 and sleeve built-in fitting 03 are all from steel plate manufacture, and its surfacing
Spend for 1mm；Then pour underplate concrete 04, and make the plate of underplate concrete 04 and unhook built-in fitting 02 and sleeve built-in fitting 03
Face is concordant, and it is 5mm that the surface of underplate concrete 04 meets flatness；Then two unhook 05 are respectively welded and are fixed on unhook in advance
On embedded part 02；
B. shielding can is installed：Described shielding can 06 by 12 kinds of models, pile up and form by totally two tridecyne iron blocks, described
Iron block is：Number iron block, No. two iron blocks, No. three iron blocks, each one piece of No. seven iron blocks, No. four iron blocks, No. five iron blocks, No. six iron blocks,
No. nine iron blocks, ride on Bus No. 11 iron block, each two pieces of ten No. two iron blocks, three pieces of No. eight iron blocks, four pieces of No. ten iron blocks；A described iron block arrives
The length of ten No. two iron blocks：Wide：High ratio is followed successively by：110:110:25、60:60:25、40：40：50、100：160：250、
150：110：25、60：50：10、110：110：25、60：60：25、100：160：25、100：110：25、150：60：25、50：
40：10, as preferred the present embodiment, its size is chosen to be：The size of a described iron block is 1100mm x 1100mm x
250mm, the size of described No. two iron blocks is 600mm x 600mm x 250mm, and the size of described No. three iron blocks is 400mm x
400mm x 500mm, the size of described No. four iron blocks is 1000mm x 1600mm x 250mm, the size of described No. five iron blocks
For 1500mm x 1100mm x 250mm, the size of described No. six iron blocks is 600mm x 500mm x 100mm, described No. seven
The size of iron block is 1100mm x 1100mm x 250mm, and the size of described No. eight iron blocks is 600mm x 600mm x
250mm, the size of described No. nine iron blocks is 1000mm x 1600mm x 250mm, and the size of described No. ten iron blocks is 1000mm
X 1100mm x 250mm, the size of described ride on Bus No. 11 iron block is 1500mm x 600mm x 250mm, described ten No. two iron blocks
Size be 500mm x 400mm x 100mm；
The erection sequence of each iron block is as follows：Two pieces of bottom nine iron block → installation bottom five one piece → peace of iron block is installed
Load on the left of one piece of portion six iron block → No. three iron blocks of installation → precision adjustment → installation No. two iron block → installations in front side
One piece of one piece → installation of ten No. two iron blocks right side 12 iron block → install one piece of top six iron block → number iron in installation front side
Block → one piece of the ride on Bus No. 11 iron block in installation left side → one piece of the ride on Bus No. 11 iron block in three pieces → installation of installation No. eight iron blocks of rear side right side →
One piece of top five iron block → installation left side ten iron block two pieces → installation No. seven iron blocks of rear side → installation right side ten is installed
Two pieces of iron block → two pieces of installation top four iron block；
C. suspension hook is installed：One group of lifting assembly 07 of each setting in two pieces of No. four iron block centers at shielding can top；
D. outer sleeve is in place：Described outer sleeve 08 includes interior steel plate 09, outer steel plate 010, gripper shoe 011 and base plate
012, first measure, from can, the inner edge that 15mm makes outer sleeve, then make sleeve outer edge, then weld on pre-embedded steel slab
Spreading degree is the L5 angle steel outer sleeve outer edge locator card 013 of 50mm, and then lifting outer sleeve is in place；
E., plug member is installed：In the range of the about 500mm of the top of outer sleeve, clog little wood a tree, used in making timber for boats 014 and steel and can between
Muscle 015, described little wood a tree, used in making timber for boats 014 is the cube lumps of wood of 15mm for the length of side, a diameter of 14mm of reinforcing bar 015；Its medium and small wood a tree, used in making timber for boats 014
Corresponding to the position of gripper shoe 011, described reinforcing bar 015 corresponds to the position between gripper shoe 011；
F. sleeve weld is fixed：Outside sleeve, root and outer sleeve built-in fitting 03 contact position are by sleeve and outer sleeve
Built-in fitting 03 full weld connects；
G. pour concrete inside and outside sleeve：From the outside burst assembling reinforcement of outer steel plate 010 of outer sleeve, and in sleeve
Setting joint bar, then pours into a mould C40 concrete inside and outside sleeve, adopts plank and plastic sheeting to shielding can in casting process
And protected with sleeve gap；
H. hoisting prefabricated concrete cover：After taking out the interim plug member between can and external wrapping concrete, hoisting prefabricated mixed
Solidifying earth mulch plate 016, the size of described precast concrete cover 016 is：2400mm（Long）x2000mm（Wide）x200mm（High）,
Precast concrete cover 016 upper surface is provided with four suspension ring, described suspension ring spacing 1600mm along its length, in the width direction
Spacing 1200mm；After precast concrete cover is in place, the space between cover plate and periphery xoncrete structure is tamped using airtight glue；
I. pre-buried secondary structure reinforcing bar and seal plate：After the completion of top board bottom two-way concrete slab 017 colligation, at top board bottom
Pre-buried secondary structure reinforcing bar 018 and sleeve 019 on layer two-way concrete slab 017, tightly encapsulate sleeve 019 using plastic sheeting, afterwards
Pre-buried secondary structure steel plate for sealing water 020 in the middle part of top board, the size of steel plate for sealing water is 150mm（Wide）×4mm（Thick）, then on top
Under plate upper strata two-way concrete slab 021, pre-buried secondary structure reinforcing bar 018 and sleeve 019, tightly encapsulate sleeve 019 using plastic sheeting,
Last colligation top board upper strata two-way concrete slab 021；
J. tunnel roof concreting：Pour tunnel roof C30/P8 concrete；
K. construction completes.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, also may be used on the basis of the above description
To make other changes in different forms.There is no need to be exhaustive to all of embodiment.All this
Any modification, equivalent and improvement made within the spirit of invention and principle etc., should be included in the claims in the present invention
Protection domain within.
Claims (9)
1. a kind of mobile model shielding can crossing-river tunnel top board construction method is it is characterised in that comprise the steps of：
A., built-in fitting and unhook are installed：Baseplate reinforcing bar below can（00）After the completion of colligation, measurement and positioning, along proton beam
(01) two pieces of unhook built-in fittings are installed before and after center line（02）, two pieces of unhook built-in fittings（02）The line of centres and proton beam in
The upright projection of heart line overlaps, and makes unhook built-in fitting（02）With baseplate reinforcing bar（00）Firm welding；Arrange outside can sideline
Outer sleeve built-in fitting（03）；Then pour underplate concrete（04）, and make underplate concrete（04）With unhook built-in fitting（02）
With sleeve built-in fitting（03）Plate face concordant；Then two are broken off relations（05）It is respectively welded and be fixed on unhook built-in fitting（02）On；
B. shielding can is installed：Described shielding can (06) by 12 kinds of models, pile up and form by totally two tridecyne iron blocks, described iron
Block is：Number iron block, No. two iron blocks, No. three iron blocks, each one piece of No. seven iron blocks, No. four iron blocks, No. five iron blocks, No. six iron blocks, nine
Number iron block, ride on Bus No. 11 iron block, each two pieces of ten No. two iron blocks, three pieces of No. eight iron blocks, four pieces of No. ten iron blocks；A described iron block is to ten
The length of No. two iron blocks：Wide：High ratio is followed successively by：110:110:25、60:60:25、40：40：50、100：160：250、150：
110：25、60：50：10、110：110：25、60：60：25、100：160：25、100：110：25、150：60：25、50：40：10；
The erection sequence of each iron block is as follows：Two pieces of bottom nine iron block → installation bottom five one piece → installation of iron block bottom six is installed
Number one piece of iron block → No. three iron blocks of installation → precision adjustment → install ten No. two iron on the left of front side two iron block → installation
One piece of block → one piece of installation right side 12 iron block → install one piece of top six iron block → number iron block → peace in installation front side
One piece of the ride on Bus No. 11 iron block in dress left side → one piece of the ride on Bus No. 11 iron block in three pieces → installation of installation No. eight iron blocks of rear side right side → install
One piece of portion five iron block → two pieces of installation left side ten iron block → install No. seven iron blocks of rear side → No. ten iron blocks two in installation right side
Block → two pieces of installation top four iron block；
C. suspension hook is installed：One group of lifting assembly of each setting in two pieces of No. four iron block centers at shielding can top（07）；
D. outer sleeve is in place：Steel plate in described outer sleeve (08) inclusion（09）, outer steel plate（010）, gripper shoe（011）And bottom
Plate（012）, first measure, from can, the inner edge that 15mm makes outer sleeve, then make sleeve outer edge, then in pre-embedded steel slab
Upper welding outer sleeve outer edge locator card（013）, then lifting outer sleeve is in place；
E., plug member is installed：In the range of the top 500mm of outer sleeve, clog little wood a tree, used in making timber for boats and can between（014）With reinforcing bar
（015）, its medium and small wood a tree, used in making timber for boats（014）Corresponding to gripper shoe（011）Position, described reinforcing bar（015）Corresponding to gripper shoe（011）It
Between position；
F. sleeve weld is fixed：Root and outer sleeve built-in fitting outside sleeve（03）Contact position is pre- with outer sleeve by sleeve
Embedded part（03）Full weld connects；
G. pour concrete inside and outside sleeve：Outer steel plate from outer sleeve（010）Outwards burst assembling reinforcement, and set in sleeve
Put joint bar, then inside and outside sleeve, pour into a mould C40 concrete, adopt plank and plastic sheeting to shielding can in casting process and
Protected with sleeve gap；
H. hoisting prefabricated concrete cover：After taking out the interim plug member between can and external wrapping concrete, hoisting prefabricated concrete
Cover plate（016）, after precast concrete cover is in place, the space between cover plate and periphery xoncrete structure is tamped using airtight glue；
I. pre-buried secondary structure reinforcing bar and seal plate：In top board bottom two-way concrete slab（017）After the completion of colligation, in top board bottom
Two-way concrete slab（017）Upper pre-buried secondary structure reinforcing bar（018）And sleeve（019）, sleeve is tightly encapsulated using plastic sheeting
（019）, pre-buried secondary structure steel plate for sealing water afterwards（020）, then in top board upper strata two-way concrete slab（021）Under pre-buried secondary structure
Reinforcing bar（018）And sleeve（019）, sleeve is tightly encapsulated using plastic sheeting（019）, last colligation top board upper strata two-way concrete slab
（021）；
J. tunnel roof concreting：Pour tunnel roof C30/P8 concrete；
K. construction completes.
2. mobile model according to claim 1 shielding can crossing-river tunnel top board construction method is it is characterised in that described one
The size of number iron block is 1100mm × 1100mm × 250mm, and the size of described No. two iron blocks is 600mm × 600mm × 250mm,
The size of described No. three iron blocks is 400mm × 400mm × 500mm, the size of described No. four iron blocks be 1000mm × 1600mm ×
250mm, the size of described No. five iron blocks is 1500mm × 1100mm × 250mm, the size of described No. six iron blocks be 600mm ×
500mm × 100mm, the size of described No. seven iron blocks is 1100mm × 1100mm × 250mm, and the size of described No. eight iron blocks is
600mm × 600mm × 250mm, the size of described No. nine iron blocks is 1000mm × 1600mm × 250mm, described No. ten iron blocks
A size of 1000mm × 1100mm × 250mm, the size of described ride on Bus No. 11 iron block is 1500mm × 600mm × 250mm, described ten
The size of No. two iron blocks is 500mm × 400mm × 100mm.
3. mobile model according to claim 2 shielding can crossing-river tunnel top board construction method is it is characterised in that described step
In rapid a, described unhook built-in fitting（02）Size be：Long：300mm × wide：300mm × thickness 30mm, floor elevation -12.600m,
Two pieces of unhook built-in fittings（02）Between clear distance 700mm, be symmetrical arranged with before and after can center；Described sleeve built-in fitting（03）From iron
Box sideline 420mm, it is a size of：Wide：200mm × thickness：10mm, its floor elevation -13.200m.
4. mobile model according to claim 3 shielding can crossing-river tunnel top board construction method is it is characterised in that described step
In rapid a, two unhook（05）The line of centres is overlapped with beam centre line upright projection, and the center distance of two unhook is
1000mm.
5. mobile model shielding can crossing-river tunnel top board construction method according to claim 4 is it is characterised in that described take off
Hook built-in fitting（02）With sleeve built-in fitting（03）It is steel plate, its surface smoothness is 1mm；Described underplate concrete（04）Table
Surface evenness is 5mm.
6. mobile model according to claim 5 shielding can crossing-river tunnel top board construction method is it is characterised in that described fixed
Position card（013）For L5 angle steel, length is 50mm.
7. mobile model according to claim 5 shielding can crossing-river tunnel top board construction method is it is characterised in that described pre-
Concrete cover processed（016）Size be：Long：2400mm × wide：2000mm × height：200mm, in precast concrete cover
（016）Upper surface is provided with four suspension ring, described suspension ring spacing 1600mm along its length, spacing 1200mm in the width direction.
8. mobile model according to claim 1 shielding can crossing-river tunnel top board construction method is it is characterised in that described step
Little wood a tree, used in making timber for boats in rapid e（014）For the cube lumps of wood for 15mm for the length of side, reinforcing bar（015）A diameter of 14mm.
9. mobile model according to claim 1 shielding can crossing-river tunnel top board construction method is it is characterised in that step i
In steel plate for sealing water size be width：150mm × thickness：4mm, and steel plate for sealing water is embedded in the middle part of top board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510004280.8A CN104653227B (en) | 2015-01-06 | 2015-01-06 | Construction method of movable shielding iron box crossing tunnel top plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510004280.8A CN104653227B (en) | 2015-01-06 | 2015-01-06 | Construction method of movable shielding iron box crossing tunnel top plate |
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| Publication Number | Publication Date |
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| CN104653227A CN104653227A (en) | 2015-05-27 |
| CN104653227B true CN104653227B (en) | 2017-02-22 |
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| CN104948228B (en) * | 2015-07-14 | 2017-04-19 | 广东省建筑工程集团有限公司 | Construction method of large high-precision anti-radiation tunnel shielding iron structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04182502A (en) * | 1990-11-16 | 1992-06-30 | Nishi Nippon Riyokaku Tetsudo Kk | Method of reducing air pressure sound at tunnel exit |
| JPH11281353A (en) * | 1998-03-30 | 1999-10-15 | Nippon Shinko Kk | Method and apparatus for measuring displacement of inner shell of tunnel |
| CN2674102Y (en) * | 2004-01-19 | 2005-01-26 | 郎庆田 | Low temp. rediation temp.-lowering system using ice in mine |
| CN101476444A (en) * | 2009-01-22 | 2009-07-08 | 中国水利水电科学研究院 | Horizontal radiation pipe construction equipment for vibration-impact type radiation well |
| CN101824991A (en) * | 2009-03-05 | 2010-09-08 | 尹中华 | Tunnel-dedicated multi-layered composite heat-insulating tile |
| CN103523676B (en) * | 2013-09-23 | 2014-10-29 | 华中科技大学 | Real-time monitoring and pre-warning system for security risks of gantry crane operation of metro shield tunnel and working method of system |
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Address after: Dong Heng Lu, Guangzhou city of Guangdong province Tianhe District 510000 martyrs No. 11 Co-patentee after: Guangdong Construction Engineering Group Co., Ltd. Patentee after: Guangdong Provincial Architectural Engineering Machinery Construction Co., Ltd. Address before: 510000 Guangdong Province, Guangzhou Tianhe Tianrun Road No. 87 wide building Co-patentee before: Guangdong Provincial Architectural Engineering Machinery Construction Co., Ltd. Patentee before: Guangdong Construction Engineering Group Co., Ltd. |