CN108505527B - The construction method of pre-buried skeleton strength core masonry cable duct - Google Patents

The construction method of pre-buried skeleton strength core masonry cable duct Download PDF

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Publication number
CN108505527B
CN108505527B CN201810128137.3A CN201810128137A CN108505527B CN 108505527 B CN108505527 B CN 108505527B CN 201810128137 A CN201810128137 A CN 201810128137A CN 108505527 B CN108505527 B CN 108505527B
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cable duct
masonry
cover board
sunpender
incline
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CN108505527A (en
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王新泉
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Hangzhou Jiangrun Technology Co Ltd
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Hangzhou Jiangrun Technology Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/06Foundation trenches ditches or narrow shafts
    • E02D17/08Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/02Arrangement of sewer pipe-lines or pipe-line systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00Installations of electric cables or lines in or on the ground or water
    • H02G9/06Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor

Abstract

The invention discloses a kind of construction methods of pre-buried skeleton strength core masonry cable duct, mainly include surveying setting-out, excavate foundation trench, cushion construction, the construction of masonry cable duct, cap for cable duct construction, the installation of cable duct band iron, cable duct painting, the installation of cable duct drainage groove, cable duct water-proofing treatment and backfill, cable laying, cover board installation.The construction method of pre-buried skeleton strength core masonry cable duct of the invention, can be effectively reduced engineering cost, accelerate speed of application, applied to can obtain preferable technical economic benefit in Practical Project.

Description

The construction method of pre-buried skeleton strength core masonry cable duct
Technical field
The present invention relates to the construction methods of pre-buried skeleton strength core masonry cable duct, belong to field of civil engineering, are suitable for pre- Bury the construction of skeleton strength core masonry cable duct.
Background technique
To meet urban landscape requirement, the limited channel of line holding is avoided, urban electric power route more and more uses The structural shape of buried cable channel.Power circuit is generally moved towards along road pavement or greenbelt, can individually build electricity Cable ditch can also be built with ditch with other cables, save channel resource, avoid overlapping construction.
Brick bulk channel is widely applied in electric power, municipal works since cheap, construction is simple.To protect farmland And ecological environment, it is energy saving, through being gradually forbidden to use sintered clay brick.Widely used Dinas brickes in architectural engineering, Since its hygroscopicity is strong, frost resistance is poor, should not be used in channel class formation.It is easy to appear in general cable duct work progress Cushion construction is of poor quality, cable duct overall stability is poor, the problems such as cast-in-place construction duration is longer, cover board is difficult to install of bearing down on one.
Summary of the invention
It is an object of the invention to provide pre-buried skeleton strength core masonry cable duct aiming at the problem that construction of masonry cable duct Construction method meets the needs of structure construction.
In order to achieve the above technical purposes, the invention adopts the following technical scheme:
The construction method of pre-buried skeleton strength core masonry cable duct, which is characterized in that the pre-buried skeleton strength core masonry cable Ditch includes foundation trench supporting 1, flexible cushion 3, double slope concrete bed courses 4 that incline, external drainpipe 20, built-in weeper drain 21, indulges To drainpipe 2, discrete material displacement hull 22, masonry cable duct 24, trench backfill soil 25, exterior waterproof coating 26, biting connecions stiff girder 28, biting connecions stiffening column 29, monolithic beam column template 37, prefabricating coping 40, prefabricated cover board 50, trade plate 55, band iron 58 and electricity Cable bracket 60;Flexible cushion 3 and double slope concrete bed courses 4 that incline is arranged in 24 lower part of masonry cable duct, and setting is outer in flexible cushion 3 Drainpipe 20 is set, is equipped with built-in weeper drain 21, external drainpipe 20 and built-in weeper drain in double slope concrete bed courses 4 that incline 21 are connected by longitudinal drainage pipe 2;Masonry cable duct 24 passes through insertion layer building block 23 and double fixed companies of the slope concrete bed course 4 that inclines It connects;Masonry cable duct 24 is arranged at intervals with biting connecions stiff girder 28 and biting connecions stiffening column 29;24 top of masonry cable duct is successively Prefabricating coping 40, prefabricated cover board 50 and trade plate 55 are set;The band iron for installing band iron 58 is equipped in masonry cable duct 24 Monoblock type skeleton 57, band iron 58 and cable tray 60 are welded to connect;Exterior waterproof coating 26 is set outside masonry cable duct 24, groove returns Banket 25;
The construction method the following steps are included:
Step 1: surveying setting-out, excavation foundation trench: being positioned to cable duct excavation line, excavate foundation trench, and carry out foundation trench branch 1 construction of shield;
Step 2: cushion construction: being first laid with flexible cushion 3 in lower part, then carry out double slope concrete bed courses 4 that incline and apply Work installs insertion layer building block 23 in double 4 work progress of slope concrete bed course that incline in time;
Step 3: masonry cable duct is constructed: masonry cable duct 24 of constructing on double slope concrete bed courses 4 that incline, in masonry Interval setting biting connecions stiff girder 28 and biting connecions stiffening column 29 in cable duct 24;
Step 4: cap for cable duct is constructed: prefabricating coping 40 being mounted on masonry cable duct 24, the fixation hole that bears down on one is passed through 42, grout hole 43, lock peg 44, lock steel plate 45, the rear microdilatancy mortar 46 that fills of bearing down on one of bearing down on one are fixed;
Step 5: cable duct band iron is installed: carrying out band iron 58 by band iron monoblock type skeleton 57 and install;
Step 6: cable duct paints: applying sand finish 27 to masonry cable duct 24;
Step 7: cable duct drainage groove is installed: installing external drainpipe 20, built-in weeper drain 21, longitudinal drainage pipe 2 With discrete material displacement hull 22;
Step 8: cable duct water-proofing treatment and backfill: to applying exterior waterproof coating 26 outside masonry cable duct 24;
Step 9: cable laying: being laid with to cable, and carry out connector processing;
Step 10: cover board is installed: carrying out prefabricated cover board 50 using suspender and install;
Step 11: inspection of quality: carrying out quality examination according to related specifications and check and accept.
Further, solid pipe arc band 19 is set in the built-in weeper drain 21, Gu pipe arc band 19 and double slope surface coagulations that incline Soil padding 4 is fixed;Discrete material displacement hull 22 is set outside built-in weeper drain 21.
In prefabricating coping 40 setting bear down on one fixation hole 42, grout hole 43, bear down on one lock peg 44, bear down on one 45 and of steel plate that locks Microdilatancy mortar 46 is filled afterwards.
Column steel reinforcement cage 30, beam steel cage 31 and steel reinforcement cage is provided in biting connecions stiff girder 28, biting connecions stiffening column 29 to draw Gu muscle 32.
Further, double slope concretes that incline are carried out using double slope concrete regularization sliding moulds 5 that incline in step 2 Bed course 4 is constructed;Double slope concrete regularization sliding moulds 5 that incline include horizontal fixed plate 6, fixed side frame, die side plate 8, sliding rail 10, horizontal main bolster 11, double face die plates 12 that incline, vertical adjustable template sunpender 14, exhaustion spill hole 13, traction steel wire Rope 16 and winding type dynamical system 17;Double 5 both sides of slope concrete regularization sliding mould of inclining pass through mold ballast 7, fixed soil Nail 9 is fixed;Horizontal main bolster 11 is set up on sliding rail 10;It is sliding that horizontal fixed plate 6 is set to double slope concrete regularization of inclining Among moving mold, two sides are double face die plates 12 that incline;14 top of vertical adjustable template sunpender is connect with horizontal main bolster 11, bottom It is connect with double face die plates 12 that incline;Pipeline arc groove mould 76 is arranged in 6 lower part of horizontal fixed plate;Double face die plates 12 that incline are equipped with exhaust and overflow Discharge orifice 13;Winding type dynamical system 17 connects horizontal main bolster 11 by haulage cable 16, setting limit angle steel on sliding rail 10 75, double face die plates 12 that incline are equipped with attached vibrator 15.
Masonry cable duct is constructed using masonry strength core beam column self-locking type template system in step 3;The masonry strength core Beam column self-locking type template system mainly includes column steel reinforcement cage 30, beam steel cage 31, muscle 32, external template are vertical admittedly for steel reinforcement cage drawing The fixed horizonal base plate 34 of skeleton 33, skeleton, the fixed tightening latch 35 of skeleton, skeleton are to strut 36, monolithic beam column template 37, band sealing Consolidate muscle to pull rod 39 to pull rod 38 and with seal ring in ring masonry;It is vertical that external template is set outside monolithic beam column template 37 Skeleton 33 and the fixed horizonal base plate 34 of skeleton, the fixed horizonal base plate 34 of skeleton pass through the fixed tightening latch 35 of skeleton and double slope surface coagulations that incline Soil padding 4 is fixed;Inside monolithic beam column template 37 be arranged skeleton to strut 36, band seal ring masonry in pull rod 38 and band are stopped Water ring consolidates muscle to pull rod 39;Column steel reinforcement cage 30, beam steel cage 31 is arranged in masonry strength core beam column, and masonry strength core beam column passes through steel reinforcement cage Solid muscle 32 is drawn to connect with masonry cable duct 24;Column steel reinforcement cage 30 is connect by anchoring adhesive 48 with double slope concrete bed courses 4 that incline;Band Muscle is consolidated to pull rod 38, band seal ring in seal ring masonry, seal ring progress water-proofing treatment is arranged to pull rod 39.
Step 10 carries out prefabricated cover board 50 using dedicated cover board suspender 61 and installs, and the dedicated cover board suspender includes that cover board is hung Bar 63, movable hanging board 62, sunpender end plate bottom connecting rod 74, sunpender end plate bottom connecting rod run through cylinder 64, length adjustment bar 65, movable hanging Board hinged shaft 66, vertical main sunpender 67, hoisting ring 68, sunpender top connecting rod 69, limiting card 70, cover board fixing device 71, rubber pad 72, length adjustment cylinder 73;Movable hanging board hinged shaft 66 is set to 62 middle part of movable hanging board, and movable hanging board 62 is held by movable hanging Plate hinged shaft 66 is connect with vertical main sunpender 67, and vertical main 67 top of sunpender connects sunpender top connecting rod 69;69 top of sunpender top connecting rod Equipped with hoisting ring 68;65 one end of length adjustment bar connects 62 end of movable hanging board, and the other end connects sunpender top connecting rod 69;In work Dynamic 62 lower part of board of hanging is provided with cover board sunpender 63, and 63 bottom of cover board sunpender is equipped with sunpender end plate bottom connecting rod and runs through cylinder 64 and sunpender End plate bottom connecting rod 74;The cover board fixing device 71 for fixing prefabricated cover board 50 and setting limit are additionally provided on cover board sunpender 63 Card 70;
Hoisting ring 68 is hooked with hoist lifting hook and is moved to prefabricated 50 top of cover board, and cover board sunpender 63 passes through prefabricated cover board 50 and hangs Hole 52 is filled, end plate bottom connecting rod passes through sunpender end plate bottom connecting rod and is fixed through cylinder 64, puts down cover board fixing device 71 and consolidated It is fixed, it is balanced adjusting with length adjustment cylinder 73, lifting unclamps dedicated cover board suspender 61 afterwards in place and carries out next cover board installation.
The invention has the characteristics that and the utility model has the advantages that
(1) prefabricating coping, biting connecions stiff girder, biting connecions stiffening column are set, cable duct structural strength is increased, improves cable Ditch overall stability, while reducing artificial investment, shorten the duration;
(2) construction speed is improved with winding type dynamical system using double slope concrete regularization sliding moulds that incline Vertical adjustable template sunpender is arranged in degree, improves template installation accuracy;
(3) dedicated cover board suspender is used, improves the safety in cover board installation process, while improving construction efficiency.
Detailed description of the invention
Fig. 1 is pre-buried skeleton strength core masonry cable duct drawing in side sectional elevation;
Fig. 2 is pre-buried skeleton strength core masonry cable duct elevation;
Fig. 3 is pre-buried skeleton strength core masonry cable duct plan view;
Fig. 4 is connection structure diagram at the top of pre-buried skeleton strength core masonry cable duct;
Fig. 5 is double slope concrete regularization sliding mould drawings in side sectional elevation that incline;
Fig. 6 is double slope concrete regularization sliding mould plan views that incline;
Fig. 7 is masonry strength core beam column self-locking type template system sectional view;
Fig. 8 is masonry strength core beam column self-locking type template system elevation;
Fig. 9 is prefabricated cover board plan view;
Figure 10 is dedicated cover board hanger structure figure;
In figure: 1. foundation trench supportings;2. longitudinal drainage pipe;3. flexible cushion;4. pair incline slope concrete bed course;5. slope of pair inclining Surface concrete regularization sliding mould;6. horizontal fixed plate;7. mold ballast;8. die side plate;9. fixed soil nailing;10. sliding rail; 11. horizontal main bolster;12. pair incline face die plate;13. exhaustion spill hole;14. vertical adjustable template sunpender;15. adhesion type vibrates Device;16. haulage cable;17;Winding type dynamical system;18. pipeline arc slot;19. solid pipe arc band;20. external drainpipe;21. Built-in weeper drain;22. discrete material displacement hull;23. insertion layer building block;24. masonry cable duct;25. trench backfill is native;26. Exterior waterproof coating;27. sand finish;28. biting connecions stiff girder;29. biting connecions stiffening column;30. column steel reinforcement cage;31. beam steel cage; 32. steel reinforcement cage draws solid muscle;33. the vertical skeleton of external template;34. skeleton fixes horizonal base plate;35. skeleton fixes tightening latch;36. Skeleton is to strut;37. monolithic beam column template;38. to pull rod in band seal ring masonry;39. band seal ring consolidates muscle to pull rod; 40. prefabricating coping;41. reserving hole;42. bear down on one fixation hole;43. grout hole;44. bear down on one the peg that locks;45. bear down on one the steel that locks Plate;46. microdilatancy mortar is filled after;The steel plate 47. cover board locks;48. anchoring adhesive;49. cover board standing screw;50. prefabricated cover board; 51. easy-to-open type well lid;52. hole for hoist;53. hole for hoist hole sealing plate;54. trade plate is framed;55. trade plate;56. angle bar side Frame;57. band iron monoblock type skeleton;58. band iron;59. angle steel;60. cable tray;61. dedicated cover board suspender;62. movable hanging is held Plate;63. cover board sunpender;64. sunpender end plate bottom connecting rod runs through cylinder;65. length adjustment bar;66. movable hanging board hinged shaft;67. perpendicular To main sunpender;68. hoisting ring;69. sunpender top connecting rod;70. limiting card;71. cover board fixing device;72. rubber pad;73. length Adjustment barrel;74. sunpender end plate bottom connecting rod;75. limiting angle steel;76. pipeline arc groove mould.
Specific embodiment
The construction technical requirements such as reinforcement construction, thin portion pattern handling repeat no more in embodiment of the present invention, and emphasis illustrates Embodiments of the present invention, invention is further described in detail with reference to the accompanying drawing and by embodiment, and the explanation is not It is confined to following embodiment.
Fig. 1 is pre-buried skeleton strength core masonry cable duct drawing in side sectional elevation, and Fig. 2 is pre-buried skeleton strength core masonry cable duct facade Figure, Fig. 3 are pre-buried skeleton strength core masonry cable duct plan views, and Fig. 4 is connection structure at the top of pre-buried skeleton strength core masonry cable duct Figure, Fig. 5 are double slope concrete regularization sliding mould drawings in side sectional elevation that incline, and Fig. 6 is double slope concrete regularization sliding dies of inclining Has plan view, Fig. 7 is masonry strength core beam column self-locking type template system sectional view, and Fig. 8 is masonry strength core beam column self-locking type template body It is elevation, Fig. 9 is prefabricated cover board plan view, and Figure 10 is dedicated cover board hanger structure figure.
The pre-buried skeleton strength core masonry cable duct as shown in Fig. 1 ~ 4 mainly includes foundation trench supporting 1, flexible cushion 3, double slopes of inclining Surface concrete bed course 4, external drainpipe 20, built-in weeper drain 21, longitudinal drainage pipe 2, discrete material displacement hull 22, masonry electricity Cable ditch 24, trench backfill soil 25, exterior waterproof coating 26, prefabricating coping 40, prefabricated cover board 50, trade plate 55, band iron 58, cable tray 60 and sand finish 27;24 lower part of masonry cable duct setting flexible cushion 3 and double slope concrete bed courses 4 that incline, in flexible cushion 3 External drainpipe 20 is set, is equipped with built-in weeper drain 21, external drainpipe 20 and built-in row in double slope concrete bed courses 4 that incline Water french drain 21 is connected by longitudinal drainage pipe 2;Insertion layer building block 23 is set in masonry cable duct 24, and insertion layer building block 23 is inclined with double Slope concrete bed course 4 is fixedly connected;Biting connecions stiff girder 28 and biting connecions stiffening column are arranged at intervals in masonry cable duct 24 29.It is provided with column steel reinforcement cage 30, beam steel cage 31 and steel reinforcement cage in biting connecions stiff girder 28, biting connecions stiffening column 29 and draws solid muscle 32.It is connect by anchoring adhesive 48 with double slope concrete bed courses 4 that incline in column steel reinforcement cage 30;It is set gradually at the top of masonry cable duct 24 There are prefabricating coping 40, prefabricated cover board 50 and trade plate 55.It is equipped in masonry cable duct 24 whole for installing the band iron of band iron 58 Body formula skeleton 57, band iron 58 and cable tray 60 are welded to connect.Exterior waterproof coating 26, trench backfill are set outside masonry cable duct 24 Soil 25.Prefabricating coping 40 by 42 grout hole 43 of fixation hole that bears down on one, bear down on one lock peg 44, bear down on one lock steel plate 45, afterwards fill micro- swollen Buckle slurry 46, cover board locking steel plate 47, cover board standing screw 49, angle bar frame 56 form.
Double slope concrete bed courses 4 that incline are made using double slope concrete regularization sliding moulds 5 that incline.Such as Fig. 5 ~ 6 Shown, double slope concrete regularization sliding moulds 5 that incline mainly include horizontal fixed plate 6, fixed side frame, die side plate 8, sliding rail 10, angle steel 75, horizontal main bolster 11, double face die plates 12 that incline, exhaustion spill hole 13, attached vibrator 15, traction steel wire are limited Rope 16 and winding type dynamical system 17;Double 5 both sides of slope concrete regularization sliding mould of inclining pass through mold ballast 7, fixed soil Nail 9 is fixed;Double 5 tops of slope concrete regularization sliding mould of inclining double incline by vertical adjustable template sunpender 14 12 height adjustment of face die plate;Pipeline arc groove mould 76 is set in the middle part of double slope concrete regularization sliding moulds 5 that incline;Double face moulds that incline Exhaustion spill hole 13 is arranged in 12 top of plate;Double slope concrete regularization sliding moulds 5 that incline pass through sliding rail 10, haulage cable 16, winding type dynamical system 17 is moved;Double face die plates 12 that incline are arranged horizontal fixed plate 6 and are fixed;Double slope surface coagulations that incline Native regularization sliding mould 5 is positioned by limiting angle steel 75.
Masonry cable duct can be used masonry strength core beam column self-locking type template system and construct.As shown in Fig. 7 ~ 8, masonry strength Core beam column self-locking type template system mainly includes column steel reinforcement cage 30, beam steel cage 31, muscle 32, external template are perpendicular admittedly for steel reinforcement cage drawing Strut 36, monolithic beam column template 37, band are stopped to skeleton 33, the fixed horizonal base plate 34 of skeleton, the fixed tightening latch 35 of skeleton, skeleton Consolidate muscle to pull rod 39 to pull rod 38 and with seal ring in water ring masonry;It is perpendicular that external template is set outside monolithic beam column template 37 To skeleton 33 and the fixed horizonal base plate 34 of skeleton, the fixed horizonal base plate 34 of skeleton is mixed by the fixed tightening latch 35 of skeleton and double slope surfaces of inclining Solidifying soil padding 4 is fixed;Inside monolithic beam column template 37 be arranged skeleton to strut 36, band seal ring masonry in pull rod 38, band Seal ring consolidates muscle to pull rod 39;Column steel reinforcement cage 30, beam steel cage 31 is arranged in masonry strength core beam column, and masonry strength core beam column passes through reinforcing bar Cage draws solid muscle 32 to connect with masonry cable duct 24;Column steel reinforcement cage 30 is connect by anchoring adhesive 48 with double slope concrete bed courses 4 that incline; Muscle is consolidated to pull rod 38, band seal ring in band seal ring masonry, seal ring progress water-proofing treatment is arranged to pull rod 39.
Step 10 carries out prefabricated cover board 50 using dedicated cover board suspender 61 and installs.As shown in Fig. 9 ~ 10, dedicated cover board suspender 61 include cover board sunpender 63, movable hanging board 62, sunpender end plate bottom connecting rod 74, sunpender end plate bottom connecting rod through cylinder 64, length tune Pole 65, movable hanging board hinged shaft 66, vertical main sunpender 67, hoisting ring 68, sunpender top connecting rod 69, limiting card 70, cover board are fixed Device 71, rubber pad 72, length adjustment cylinder 73 and sunpender end plate bottom connecting rod 74;Movable hanging board hinged shaft 66 is set to movable hanging board 62 middle parts, movable hanging board 62 are connect by movable hanging board hinged shaft 66 with vertical main sunpender 67, and vertical main 67 top of sunpender connects Connect sunpender top connecting rod 69;Connecting rod 69 top in sunpender top is equipped with hoisting ring 68;65 one end of length adjustment bar connects movable hanging board 62 End, the other end connect sunpender top connecting rod 69;62 lower part of movable hanging board is provided with cover board sunpender 63,63 bottom of cover board sunpender Run through cylinder 64 and sunpender end plate bottom connecting rod 74 equipped with sunpender end plate bottom connecting rod;It is additionally provided on cover board sunpender 63 for fixing preform lid The cover board fixing device 71 and setting limiting card 70 of plate 50.
The main construction course of pre-buried skeleton strength core masonry cable duct construction is as follows:
Step 1: surveying setting-out, excavation foundation trench: being positioned to cable duct excavation line, excavate foundation trench, and carry out foundation trench branch 1 construction of shield;
Step 2: cushion construction: first flexible cushion is laid in lower part, then using double slope concrete regularization slidings of inclining Mold 5 carries out double constructions of slope concrete bed course 4 of inclining, and installs insertion layer in time in double 4 work progress of slope concrete bed course that incline Building block 23;
Step 3: masonry cable duct is constructed: masonry cable duct 24 of constructing on double slope concrete bed courses 4 that incline, in masonry Interval setting biting connecions stiff girder 28 and biting connecions stiffening column 29 in cable duct 24, using masonry strength core beam column self-locking type template body System constructs;
Step 4: cap for cable duct is constructed: prefabricating coping 40 being mounted on masonry cable duct 24, the fixation hole that bears down on one is passed through 42, grout hole 43, lock peg 44, lock steel plate 45, the rear microdilatancy mortar 46 that fills of bearing down on one of bearing down on one are fixed;
Step 5: cable duct band iron is installed: carrying out band iron 58 by band iron monoblock type skeleton 57 and install;
Step 6: cable duct paints: applying sand finish 27 to masonry cable duct 24;
Step 7: cable duct drainage groove is installed: installing external drainpipe 20, built-in weeper drain 21, longitudinal drainage pipe 2 and discrete material displacement hull 22;
Step 8: cable duct water-proofing treatment and backfill: electric to masonry to exterior waterproof coating 26 is applied outside masonry cable duct 24 Cable ditch 24 applies sand finish 27.
Step 9: cable laying: being laid with to cable, and carry out connector processing.
Step 10: cover board is installed: carrying out prefabricated cover board 50 using dedicated cover board suspender 61 and install, hooked and hung with hoist lifting hook Dress ring 68 is moved to prefabricated 50 top of cover board, and cover board sunpender 63 passes through prefabricated 50 hole for hoist 52 of cover board, and end plate bottom connecting rod is passed through and hung Rod end board bottom connecting rod is fixed through cylinder 64, puts down cover board fixing device 71 and is fixed, is carried out with length adjustment cylinder 73 flat Weighing apparatus is adjusted, and lifting unclamps dedicated cover board suspender 61 afterwards in place and carries out next cover board installation.
Step 11: inspection of quality: carrying out quality examination according to related specifications and check and accept.

Claims (3)

1. the construction method of pre-buried skeleton strength core masonry cable duct, which is characterized in that the pre-buried skeleton strength core masonry cable duct Including foundation trench supporting (1), flexible cushion (3), double slope concrete bed courses (4) that incline, external drainpipe (20), built-in weeper drain (21), longitudinal drainage pipe (2), discrete material displacement hull (22), masonry cable duct (24), trench backfill native (25), exterior waterproof coating (26), biting connecions stiff girder (28), biting connecions stiffening column (29), monolithic beam column template (37), prefabricating coping (40), preform lid Plate (50), trade plate (55), band iron (58) and cable tray (60);Masonry cable duct (24) lower part be arranged flexible cushion (3) and Double to incline slope concrete bed course (4), the external drainpipe (20) of setting in flexible cushion (3) is double to incline in slope concrete bed course (4) Equipped with built-in weeper drain (21), external drainpipe (20) is connected with built-in weeper drain (21) by longitudinal drainage pipe (2);It builds Body cable duct (24) is fixedly connected by insertion layer building block (23) with double slope concrete bed courses (4) that incline;Masonry cable duct (24) It is arranged at intervals with biting connecions stiff girder (28) and biting connecions stiffening column (29);Prefabricated pressure is set gradually at the top of masonry cable duct (24) Push up (40), prefabricated cover board (50) and trade plate (55);The band iron for installing band iron (58) is equipped in masonry cable duct (24) Monoblock type skeleton (57), band iron (58) and cable tray (60) are welded to connect;Exterior waterproof coating is set outside masonry cable duct (24) (26), trench backfill is native (25);
The construction method the following steps are included:
Step 1: surveying setting-out, excavation foundation trench: being positioned to cable duct excavation line, excavate foundation trench, and carry out foundation trench supporting (1) it constructs;
Step 2: cushion construction: first flexible cushion (3) are laid in lower part, then using double slope concrete regularization slidings of inclining Mold (5) carries out double slope concrete bed course (4) constructions of inclining, and installs in time in double slope concrete bed course (4) work progress that incline Insertion layer building block (23);Double slope concrete regularization sliding mould (5) that inclines include horizontal fixed plate (6), fixed side frame, Die side plate (8), sliding rail (10), horizontal main bolster (11), double face die plates that incline (12), vertical adjustable template sunpender (14), row Gas overflow hole (13), haulage cable (16) and winding type dynamical system (17);Double slope concrete regularization sliding moulds that incline (5) both sides are fixed by mold ballast (7), fixed soil nailing (9);Horizontal main bolster (11) is set up on sliding rail (10);Water Flat fixed plate (6) is set among double slope concrete regularization sliding moulds that incline, and face die plate (12) are inclined to be double in two sides;It is vertical adjustable Formula template sunpender (14) top is connect with horizontal main bolster (11), and bottom is connect with double face die plates (12) that incline;Horizontal fixed plate (6) Pipeline arc groove mould (76) are arranged in lower part;Double face die plates that incline (12) are equipped with exhaustion spill hole (13);Winding type dynamical system (17) horizontal main bolster (11), setting limit angle steel (75) on sliding rail (10), double face moulds that incline are connected by haulage cable (16) Plate (12) is equipped with attached vibrator (15);
Step 3: masonry cable duct is constructed: it is double incline construct masonry cable duct (24) on slope concrete bed course (4), in masonry Interval setting biting connecions stiff girder (28) and biting connecions stiffening column (29) in cable duct (24);
Step 4: cap for cable duct is constructed: prefabricating coping (40) being mounted on masonry cable duct (24), the fixation hole that bears down on one is passed through (42), grout hole (43), lock peg (44), lock steel plate (45), rear fill microdilatancy mortar (46) of bearing down on one of bearing down on one are fixed;
Step 5: cable duct band iron is installed: carrying out band iron (58) installation by band iron monoblock type skeleton (57);
Step 6: cable duct paints: applying sand finish (27) to masonry cable duct (24);
Step 7: cable duct drainage groove is installed: installing external drainpipe (20), built-in weeper drain (21), longitudinal drainage pipe (2) and discrete material displacement hull (22);
Step 8: cable duct water-proofing treatment and backfill: external to masonry cable duct (24) to apply exterior waterproof coating (26);
Step 9: cable laying: being laid with to cable, and carry out connector processing;
Step 10: cover board is installed: carrying out prefabricated cover board (50) installation using suspender;
Step 11: inspection of quality: carrying out quality examination according to related specifications and check and accept.
2. construction method as described in claim 1, which is characterized in that masonry cable duct uses masonry strength core beam column in step 3 Self-locking type template system is constructed;The masonry strength core beam column self-locking type template system mainly includes column steel reinforcement cage (30), beam Steel reinforcement cage (31), steel reinforcement cage draw solid muscle (32), the vertical skeleton of external template (33), skeleton fixed horizonal base plate (34), skeleton Fixed tightening latch (35), skeleton are to stopping pull rod (38) and band in strut (36), monolithic beam column template (37), band seal ring masonry Water ring consolidates muscle to pull rod (39);The setting vertical skeleton of external template (33) and skeleton are fixed outside monolithic beam column template (37) Horizonal base plate (34), skeleton fixed horizonal base plate (34) incline slope concrete bed course (4) with double by skeleton fixed tightening latch (35) It is fixed;Setting skeleton is to stopping pull rod (38) and band in strut (36), band seal ring masonry inside monolithic beam column template (37) Water ring consolidates muscle to pull rod (39);Column steel reinforcement cage (30), beam steel cage (31) are arranged in masonry strength core beam column, and masonry strength core beam column passes through Steel reinforcement cage draws solid muscle (32) to connect with masonry cable duct (24);Column steel reinforcement cage (30) passes through anchoring adhesive (48) and double slope surface coagulations that incline Soil padding (4) connection;Consolidate muscle to pull rod (38), band seal ring in band seal ring masonry to prevent pull rod (39) setting seal ring Water process.
3. construction method as described in claim 1, which is characterized in that step 10 is carried out prefabricated using dedicated cover board suspender (61) Cover board (50) installation, the cover board suspender include cover board sunpender (63), movable hanging board (62), sunpender end plate bottom connecting rod (74), Sunpender end plate bottom connecting rod runs through cylinder (64), length adjustment bar (65), movable hanging board hinged shaft (66), vertical main sunpender (67), hangs Fill ring (68), sunpender top connecting rod (69), limiting card (70), cover board fixing device (71), rubber pad (72), length adjustment cylinder (73);Movable hanging board hinged shaft (66) is set in the middle part of movable hanging board (62), and movable hanging board (62) is cut with scissors by movable hanging board Axis (66) is connect with vertical main sunpender (67), vertical main sunpender (67) top connection sunpender top connecting rod (69);Sunpender top connecting rod (69) top is equipped with hoisting ring (68);Length adjustment bar (65) one end connects movable hanging board (62) end, and other end connection is hung Bar top connecting rod (69);It is provided with cover board sunpender (63) in movable hanging board (62) lower part, cover board sunpender (63) bottom is equipped with sunpender End plate bottom connecting rod runs through cylinder (64) and sunpender end plate bottom connecting rod (74);Cover board sunpender is additionally provided on (63) for fixing prefabricated cover board (50) cover board fixing device (71) and setting limiting card (70);
It hooks hoisting ring (68) with hoist lifting hook to be moved to above prefabricated cover board (50), cover board sunpender (63) passes through prefabricated cover board (50) hole for hoist (52), sunpender end plate bottom connecting rod pass through sunpender end plate bottom connecting rod and are fixed through cylinder (64), and it is solid to put down cover board Determine device (71) to be fixed, is balanced adjusting with length adjustment cylinder (73), dedicated cover board suspender is unclamped in lifting afterwards in place (61) next cover board installation is carried out.
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