CN108560586A - Half prefabricated assembled pipe gallery and its construction method - Google Patents
Half prefabricated assembled pipe gallery and its construction method Download PDFInfo
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- CN108560586A CN108560586A CN201810551369.XA CN201810551369A CN108560586A CN 108560586 A CN108560586 A CN 108560586A CN 201810551369 A CN201810551369 A CN 201810551369A CN 108560586 A CN108560586 A CN 108560586A
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- wallboard
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- slot
- waterproof
- cupuliform
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- 238000010276 construction Methods 0.000 title claims abstract description 77
- 230000010412 perfusion Effects 0.000 claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 239000010426 asphalt Substances 0.000 claims description 38
- 238000004078 waterproofing Methods 0.000 claims description 36
- 244000025254 Cannabis sativa Species 0.000 claims description 35
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 35
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 35
- 235000009120 camo Nutrition 0.000 claims description 35
- 235000005607 chanvre indien Nutrition 0.000 claims description 35
- 239000000835 fiber Substances 0.000 claims description 35
- 239000011487 hemp Substances 0.000 claims description 35
- 241000208202 Linaceae Species 0.000 claims description 17
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 17
- 210000002421 cell wall Anatomy 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 230000003014 reinforcing effect Effects 0.000 description 11
- 230000010410 reperfusion Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000009417 prefabrication Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 210000000003 hoof Anatomy 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 150000002632 lipids Chemical class 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000011280 coal tar Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention relates to a kind of half prefabricated assembled pipe gallery and method, which includes：The bottom plate of cast-in-place formation corresponds to be provided with cupuliform slot at the position of wallboard thereon；Prefabricated piping lane segment, including integrally formed top plate and with top plate multiple wallboards connected vertically, the wallboard is inserted in corresponding cupuliform slot, is connected and fixed by cast-in-place linkage section between adjacent two piping lane segments；There is a setpoint distance in the top surface of the bitumastic layer being filled in the cupuliform slot, the bitumastic layer away from the notch of the cupuliform slot；And perfusion is formed in the waterproof concrete structure in the cupuliform slot, the waterproof concrete structure is located on the bitumastic layer, and the notch of the cupuliform slot is closed by the waterproof concrete structure.The present invention connects cast-in-place bottom plate and prefabricated wallboard using cup slot joint structure, and the bar splicing and binding avoided between prefabricated components and site concrete is constructed, and construction is simple improves construction efficiency.
Description
Technical field
The present invention relates to pipe gallery construction work field, a kind of half prefabricated assembled pipe gallery and its construction party are refered in particular to
Method.
Background technology
With the continuous propulsion of Modernized City Construction, China's pipe gallery construction is also evolving.2015, the whole nation
69 Urban Underground pipe gallery construction scales about 1000km, 2016, the whole nation put into operation underground pipe gallery 2000km with
On.Urban Underground pipe gallery construction has become one of the important content of following China's urban infrastructure construction.Traditional ground
There are two types of modes for lower pipe gallery construction：One, field cast-in-place, two, prefabrication.
Cast-in-place pipe gallery easy construction, technology maturation, but since all operations are completed at the scene, side wall and top plate are equal
Configuration template is wanted, and template has to remove after intensity is fully achieved in coagulation, long construction period, artificial demand is big,
Situ wet operation heavy workload.Concrete cast in situs pollutes environment, is affected to surrounding enviroment.And on-site concrete is supported
Guard strip part is poor, and the possibility that micro-crack occurs in concrete is big, is easy locally to leak, construction crack, side wall easily occurs in piping lane
The problems such as entire crack.
Traditional complete prefabricated pipe gallery is spliced at the scene by the piping lane of precast segment, and splicing seams are more, edge joint position
Waterproof requirement it is high, difficulty is big.Since prefabricated subsection weight is big, whole Transporting lifting is difficult, needs mass transit vehicle and big
Type hanging device, construction cost are high.And precast segment piping lane is integral prefabricated in factory, mold is complicated, and low production efficiency is prefabricated
It is of high cost.
Therefore how by cast-in-place construction and it is prefabricated be reasonably connected in construction technology, which kind of prefabricated wall beam taken
The collocation form of column plate and cast-in-place part, and it is assembled to ensure that underground structure has good structural stability and water resistance
Pipe gallery urgent problem to be solved.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of half prefabricated assembled pipe gallery is provided and its is applied
Work method, solves long construction period, situ wet operation heavy workload existing for cast-in-place pipe gallery and complete prefabricated pipe gallery is deposited
Piece it is more, waterproof difficulty is big, construction cost is high etc. the problem of.
Realizing the technical solution of above-mentioned purpose is：
The present invention provides a kind of half prefabricated assembled pipe galleries, including：
The bottom plate of cast-in-place formation corresponds on the bottom plate and is provided with cupuliform slot, the slot of the cupuliform slot at the position of wallboard
Mouth is arranged upward；
Prefabricated piping lane segment, including integrally formed top plate and with top plate multiple wallboards connected vertically, the piping lane
Segment is inserted in corresponding cupuliform slot by the wallboard and is erected on the bottom plate, and the surface of the wallboard with it is corresponding
Cupuliform slot internal face between be formed with gap, be connected and fixed by cast-in-place linkage section between adjacent two piping lane segments；
The bitumastic layer being filled in the gap, the top surface of the bitumastic layer is away from the slot of the cupuliform slot
Mouth has a setpoint distance；And
Perfusion is formed in the waterproof concrete structure in the gap, and the waterproof concrete structure is located at the pitch agate
On hoof lipid layer, and close by the waterproof concrete structure notch of the cupuliform slot.
The pipe gallery of the present invention is given full play to cast-in-place and pre- by pouring a part, a prefabrication part at the scene
The advantage of system overcomes cast-in-place piping lane long construction period, high labor cost and complete prefabricated piping lane transport difficult, component seam waterproof poor
The shortcomings that.The present invention connects cast-in-place bottom plate and prefabricated wallboard using cup slot joint structure, avoids prefabricated components and shows
The bar splicing and binding poured between component are constructed, and prefabricated wallboard and bottom plate are linked to be entirety, cup by cup slot joint structure
The cementation of fissures is carried out using bitumastic and water-proof concrete in shape slot, meets the waterproof requirement of Pipe rack, ensures structure safety.
Bitumastic therein has preferable waterproof effect, which is filled in the bottom in gap, can be to wallboard
Preferable package effect is played, the water on the outside of the wallboard of side is prevented to be entered in pipe gallery from the bottom of wallboard.Its
In water-proof concrete play the role of reinforcement by connection to wallboard and bottom plate, it can be ensured that between wallboard and bottom plate it is effective securely
Connection.
Half prefabricated assembled pipe gallery of the present invention further improvement lies in that, be also filled in the gap positioned at described
Bituminous hemp fiber layer between waterproof concrete structure and the bitumastic layer or pitch spunyarn layer.
Half prefabricated assembled pipe gallery of the present invention further improvement lies in that, the bottom plate is arranged with base pad
Layer, and base plate waterproofing is equipped between the bottom cushion and the bottom plate, the end of the base plate waterproofing flips up
Be attached at the end side of the bottom plate and bending be attached at cupuliform slot positioned at end side cell wall top end face, and then stretch to described
It fits in cupuliform slot and with the internal face of the cupuliform slot.
Half prefabricated assembled pipe gallery of the present invention further improvement lies in that, the wallboard includes the side wall positioned at side
The outer surface of plate, the framed side wallboard is equipped with wallboard waterproof layer, and the bottom part of the wallboard waterproof layer is in corresponding cupuliform
In slot.
Half prefabricated assembled pipe gallery of the present invention further improvement lies in that, the top plate and the cast-in-place linkage section it
On be equipped with waterproof roofing layer, and the end pressing corresponding on the wallboard waterproof layer of the end of the waterproof roofing layer connects
It connects.
The present invention also provides the construction methods of a kind of half prefabricated assembled pipe gallery, include the following steps：
The foundation pit of construction pipe gallery；
In the bottom of foundation ditch cast-in-place construction bottom plate, and in setting at the corresponding position for waiting for safe wallboard on the bottom plate
Cupuliform slot, and the notch of the cupuliform slot is arranged upward；
Prefabricated piping lane segment is provided, the piping lane segment include integrally formed top plate and with the top plate vertical connection
Multiple wallboards, the piping lane segment is inserted in by the wallboard in corresponding cupuliform slot by is erected on the bottom plate,
And it is formed with gap between the surface of the wallboard and the internal face of corresponding cupuliform slot；
It will be connected and fixed by cast-in-place linkage section between two adjacent piping lane segments；
In in the gap filled bitumen matizhi formed bitumastic layer, and the top surface of the bitumastic layer away from
The notch of the cupuliform slot has a setpoint distance；And
Waterproof concrete structure is formed in water-proof concrete is perfused in the gap, is sealed by the waterproof concrete structure
Close the notch of the cupuliform slot.
The construction method of half prefabricated assembled pipe gallery of the present invention further improvement lies in that, perfusion water-proof concrete
Further include before：
Pitch spunyarn layer is formed in the gap filling pitch spunyarn or filled bitumen flax silk forms Bituminous hemp fiber layer, and will
Pitch spunyarn or the Bituminous hemp fiber compacting filled.
The construction method of half prefabricated assembled pipe gallery of the present invention further improvement lies in that, construct bottom plate before, also
Including：
In the bottom of foundation pit construction bottom cushion；
It is laid with base plate waterproofing on the bottom cushion, the base plate waterproofing is coated to the end of the bottom plate upwards
Side and be attached at the corresponding cupuliform slot positioned at end side cell wall top end face, and then the end of the base plate waterproofing is stretched into
It fits in the cupuliform slot and with the internal face of the cupuliform slot.
The construction method of half prefabricated assembled pipe gallery of the present invention further improvement lies in that, the wallboard include be located at
The framed side wallboard of side；
After the framed side wallboard is erected in corresponding cupuliform slot, it is anti-to be laid with wallboard in the outer surface of the framed side wallboard
Water layer, and the bottom end of the wallboard waterproof layer is placed in corresponding cupuliform slot.
The construction method of half prefabricated assembled pipe gallery of the present invention further improvement lies in that, further include：
Waterproof roofing layer is laid on the top plate and the cast-in-place linkage section, and by the end of the waterproof roofing layer
End pressing connection corresponding on the wallboard waterproof layer.
Description of the drawings
Fig. 1 is that piping lane segment is lifted in half prefabricated assembled pipe gallery of the invention to the structural schematic diagram of cast-in-place bottom plate.
Fig. 2 is that the piping lane segment in half prefabricated assembled pipe gallery of the invention is placed in the knot in the cupuliform slot of cast-in-place bottom plate
Structure schematic diagram.
Fig. 3 is the side view of half prefabricated assembled pipe gallery of the invention.
Fig. 4 is the structural schematic diagram of the cup slot joint structure at the framed side wallboard of half prefabricated assembled pipe gallery of the invention.
Fig. 5 is the structural schematic diagram of the cup slot joint structure at the deadlight of half prefabricated assembled pipe gallery of the invention.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments.
Refering to fig. 1, the present invention provides a kind of half prefabricated assembled pipe gallery and its construction methods, using cup slot node
The bar splicing between prefabricated components and site concrete and binding construction are avoided, cast-in-place piping lane and complete prefabricated piping lane are given full play to
The advantage of the two overcomes long cast-in-place piping lane construction time, wet construction heavy workload and complete prefabricated piping lane low production efficiency, transport
Small disadvantage is measured, environmental protection and energy saving, construction efficiency are high, and have excellent water resistance.The wallboard and top plate of the present invention is using whole
The prefabricated form of body can be saved the time that integral cast-in-situ piping lane performs mould bases and support, and duration and cost are saved；Due to pre-
Component bottom end processed is connect with cast-in-place bottom plate by cup slot, avoids bar splicing overlap joint and binding, site operation is simple, improves
Construction efficiency.And the pipe gallery of the present invention uses the form of full packet waterproof, and it is anti-that closed annular is formed on the outside of Pipe rack
Water-bound system, it is ensured that Pipe rack does not occur seeping water and drainage, ensure that Pipe rack water resistance.With reference to attached
Figure illustrates half prefabricated assembled pipe gallery of the invention and its construction method.
Refering to fig. 1, it is shown that structural representation of the piping lane segment to cast-in-place bottom plate is lifted in half prefabricated assembled pipe gallery
Figure.Refering to Fig. 3, it is shown that the side view of half prefabricated assembled pipe gallery of the present invention.Refering to Fig. 4, it is shown that the present invention half is pre-
The structural schematic diagram of cup slot joint structure at the framed side wallboard of assembled pipe gallery processed.It is right with reference to Fig. 1, Fig. 3 and Fig. 4
Half prefabricated assembled pipe gallery of the present invention illustrates.
Shown in as shown in Figure 1, Figure 3 and Figure 4, half prefabricated assembled pipe gallery 20 of the invention includes bottom plate 21, piping lane segment
20a, cast-in-place linkage section 20b and cup slot joint structure 30, bottom plate 21 is cast-in-place bottom plate, and the position of wallboard 22 is corresponded on bottom plate 21
The place of setting is provided with cupuliform slot 31, and the notch of the cupuliform slot 31 is arranged upward.When pouring bottom plate 21, cup is integrally formed on bottom plate 21
Shape slot 31, the space of the cup type of the inside formation of cupuliform slot 31.Piping lane segment 20a is prefabricated components, by prefabricated enough multiple
Piping lane segment 20a is spliced to form pipe gallery 20, and piping lane node 20a includes integrally formed top plate 23 and vertical with top plate 23
Multiple wallboards 22 of connection, piping lane segment 20a are inserted in corresponding cupuliform slot 31 by wallboard 22 and are erected on bottom plate 21,
Coordinate shown in Fig. 2, when lifting piping lane segment 20a, the bottom of the wallboard 22 on the 20a of piping lane segment is inserted in corresponding cupuliform slot
In 31.There are certain spacing between two adjacent piping lane segment 20a, and the cast-in-place linkage section 20b that constructs at the spacing, lead to
Cast-in-place linkage section 20b is crossed to be connected and fixed two adjacent piping lane segment 20a.Cup slot joint structure 30 is used for 21 He of connecting bottom board
Wallboard 22, this glass of slot joint structure 30 include cupuliform slot 31 on bottom plate 21, the bitumastic layer being filled in cupuliform slot 31
34 and waterproof concrete structure 35, wallboard 22 be inserted into cupuliform slot 31, and the internal face on the surface of wallboard 22 and cupuliform slot 31
Between be formed with gap 33, the surfaces externally and internally of the wallboard 22 is formed with gap between the internal face of corresponding cupuliform slot 31
33；Bitumastic layer 34 is filled in gap 33, and the top surface of the bitumastic layer 34 has one to set away from the notch of cupuliform slot 31
Set a distance；It is filled between the surface of the bitumastic layer 34 in gap 33 and framed side wallboard 221 and the internal face of cupuliform slot 31
It combines closely, since there is bitumastic higher cohesive strength, bitumastic layer 34 can also play connection wallboard 22 and bottom
The effect of plate 21；The perfusion of waterproof concrete structure 35 is formed in gap 33, which is located at pitch agate hoof
On lipid layer 34, and pass through the notch of the waterproof concrete structure 35 closing cupuliform slot 31.Waterproof concrete structure 35 is for adding
Gu wallboard 22 and bottom plate 21, can ensure the safety of structure.
As the better embodiment of the present invention, as shown in figure 4, being also filled with positioned at water-proof concrete in gap 33
Bituminous hemp fiber layer 36 between structure 35 and bitumastic layer 34 or pitch spunyarn layer.Preferably, by bitumastic layer 34
Top surface be set to close to cupuliform slot 31 cell wall 311 center, the top surface of Bituminous hemp fiber layer 36 or pitch spunyarn layer is set to
Close at the notch of cupuliform slot 31 so that have between the top surface and notch of the Bituminous hemp fiber layer 36 or pitch spunyarn layer it is certain between
Away from the perfusion for waterproof concrete structure 35.Utilize bitumastic layer 34 and Bituminous hemp fiber layer 36 or pitch spunyarn layer
Gap 33 in stuffing cup-shaped slot 31 can have higher waterproof effect, meet waterproof requirement.Bituminous hemp fiber layer 36 therein
It is mixed to form, can be compacted flax silk in filling flax silk in gap, then the asphalt reperfusion into the flax silk by pitch and flax silk so that
Bituminous hemp fiber is mixed to form Bituminous hemp fiber layer 36；Pitch spunyarn layer is mixed to form by pitch and spunyarn, in filling spunyarn in gap,
Spunyarn is compacted, then the asphalt reperfusion into the spunyarn so that pitch spunyarn is mixed to form pitch spunyarn layer.
As another better embodiment of the present invention, as depicted in figs. 1 and 2, bottom plate 21 is arranged with bottom cushion
24, and be equipped with base plate waterproofing 251 between the bottom cushion 24 and bottom plate 21, the end of the base plate waterproofing 251 is to turning over
Folding and sticking be set to bottom plate 21 end side and bending be attached at the cupuliform slot 31 positioned at end side cell wall 311 top end face 3111, in turn
It extend into cupuliform slot 31 and fits with the internal face of cupuliform slot 31.Bottom plate 21 uses cast-in-place formation, when construction, first digs synthesis
After foundation pit construction is good, in the bottom of foundation pit construction bottom cushion 24, it is anti-to be laid with bottom plate on bottom cushion 24 for the foundation pit of piping lane 20
Water layer 251, and the end of base plate waterproofing 251 is reserved into surplus to coat the part for the bottom plate constructed, then in bottom plate
Cast-in-place bottom plate 21 is poured on waterproof layer 251, and in forming cupuliform slot 31 on bottom plate 21, it is strong to wait for that the concrete of bottom plate 21 reaches maintenance
After degree, by the end side of the end bending cladding bottom plate 21 of base plate waterproofing 251, and cup is stretched into the end of base plate waterproofing 251
In shape slot 31, the bitumastic layer 34, Bituminous hemp fiber layer 36 or the pitch spunyarn layer that are subsequently perfused using cupuliform slot 31 and anti-
Water coagulation soil 35 buries the end of the base plate waterproofing 251.
Further, as shown in Fig. 2, after bottom plate 21 reaches curing strength, piping lane segment 20a is lifted into bottom plate 21
On, wallboard 22 plugs in corresponding cupuliform slot 31, and wallboard 22 includes the middle wall positioned at the framed side wallboard 221 of side and positioned at middle part
The outer surface of plate 222, framed side wallboard 221 is equipped with wallboard waterproof layer 252, and the bottom end of the wallboard waterproof layer 252 is located at corresponding cup
In shape slot 31.The end of the wallboard waterproof layer 252 is enable to pass through the bitumastic layer 34 in cupuliform slot 31, Bituminous hemp fiber
Layer 36 or pitch spunyarn layer and water-proof concrete 35 bury solid.Preferably, the end of base plate waterproofing 251 can be layed in
The end of wallboard waterproof layer 252 is also bent and is layed in the bottom of cupuliform slot 31, and then wallboard is prevented by the bottom of cupuliform slot 31
The end of water layer 252 is a part of with the pressing of the end of base plate waterproofing 251 and is fixedly connected, thus by 252 He of wallboard waterproof layer
Base plate waterproofing 251 connects integral waterproof construction, can improve waterproof effect.
By cast-in-place linkage section 20b connections between two adjacent framed side wallboards 221, so being laid with wallboard waterproof layer 252
When, wallboard waterproof layer 252 is covered on the cast-in-place linkage section 20b as wall, is covered in synthesis by wallboard waterproof layer 252
The side face of wall of piping lane 20, to playing good waterproof action at side wall.
Further, waterproof roofing layer 253, and waterproof roofing are equipped on top plate 23 and cast-in-place linkage section 20b
The end end pressing connection corresponding on wallboard waterproof layer 252 of layer 253.To which the present invention passes through base plate waterproofing 251, wall
Plate waterproof layer 252 and waterproof roofing layer 253 form the waterproof form wrapped entirely, and closing is formd in the outside of pipe gallery 20
Annular waterproof construction system, it can be ensured that there is not infiltration and the phenomenon that leak in pipe gallery, ensures the waterproof of pipe gallery
Performance.
As the another better embodiment of the present invention, as shown in figure 3, waterproof concrete structure 35 includes being located at cupuliform slot
Part in 31 and the part outside cupuliform slot 31, and the two parts are structure as a whole, when water-proof concrete is perfused, to cup
Superfilled water-proof concrete in shape slot 31 so that waterproof concrete structure has part to protrude out the notch of annular groove 31 and form reinforcing
Portion 351, reinforcing portion 351 are set between the top end face 3111 of the cell wall 311 of framed side wallboard 221 and annular groove 31, pass through reinforcing portion 351
Connect the top end face 3111 and framed side wallboard 221 of the cell wall 311.Preferably, the section of reinforcing portion 351 is triangular in shape, the reinforcing portion
351 a side is fitted and connected with framed side wallboard 221, and side rim portion is located on top end face 3111, partly with positioned at cupuliform slot 31
Interior waterproof concrete structure connects, and another side is obliquely arranged.Reinforcing portion 351 positioned at 221 both sides of framed side wallboard is in eight
Font is arranged, and reinforcement effect is played to framed side wallboard 221.
As another better embodiment of the present invention, cup slot joint structure 30 further includes the bottom that pad is located at cupuliform slot 31
Modified asphalt felt 37 between wallboard 22 spreads modified asphalt felt 37 before wallboard 22 is inserted into cupuliform slot 31
Set on the bottom of cupuliform slot 31, to improve the effect of waterproof.
Preferably, when being laid with modified asphalt felt 37, the both ends of modified asphalt felt 37 are attached at cupuliform slot 31
On internal face.
Setting modified asphalt felt 37 can improve 21 junction of framed side wallboard 221 and bottom plate in asphalt reperfusion matizhi
Waterproof effect, modified asphalt felt 37 itself have water-proof function, and its can be good at bitumastic layer 34 it is be bonded
Together, closely knit waterproof construction is formed.
As the better embodiment another again of the present invention, the slot bottom width of cupuliform slot 31 is less than width of rebate.The cupuliform
It is in inverted trapezoidal shape that space is formed by inside slot 31, and the width of notch is more than the width of slot bottom.When constructing cupuliform slot 31, the bottom of in
Template is set up on plate bed course 24, baffle accordingly is set in the both sides of the two side walls 311 of cupuliform slot 31, so that side wall 311
It can pour to be formed together with bottom plate 21.The slot bottom of cupuliform slot 31 and the surface of bottom plate 21 are flush, and cupuliform slot 31 is located at bottom
Two end sides of plate 21.
As the better embodiment another again of the present invention, as shown in Fig. 2, passing through cup between framed side wallboard 221 and bottom plate 21
Slot joint structure 30 connects, and constituting 30a by another glass of slot node in conjunction with shown in Fig. 5, between deadlight 222 and bottom plate 21 connects
It connects, which includes the waterproof concrete structure 35 that cupuliform slot 31 is formed in perfusion in cupuliform slot 31,
Because the waterproof requirement at deadlight 222 is not high, so after the deadlight 222 is inserted into cupuliform slot 31, it can be to the cupuliform slot 31
Interior perfusion water-proof concrete carries out the cementation of fissures to form waterproof concrete structure 35, and the top surface of the waterproof concrete structure 35 with
The top surface of the cell wall 311 of cupuliform slot 31 flushes.In an installation before wallboard 222, modified drip is laid with prior to the bottom of cupuliform slot 31
Green malthoid 37, the modified asphalt felt 37 is between deadlight 222 and the slot bottom of cupuliform slot 31.
Half prefabricated assembled pipe gallery of the present invention has the beneficial effect that：
Using cupuliform slot connecting bottom board and wallboard, no-reinforcing-bar connection, site operation is simple and convenient, can improve construction effect
Rate；
Bottom plate is cast-in-place, wallboard and top plate using integral prefabricated, eliminate integral cast-in-situ piping lane perform mould bases and support when
Between, save duration and cost；
Base plate waterproofing, wallboard waterproof layer and waterproof roofing layer are set, forms the waterproof wrapped entirely and is formed, in integrated pipe
The outside of corridor forms closed annular waterproof construction system, it is ensured that Pipe rack does not occur seeping water and drainage, guarantee integrate
The water resistance of piping lane；
Gap between cupuliform slot and framed side wallboard is mixed using bitumastic, Bituminous hemp fiber or pitch spunyarn and waterproof
The solidifying soil cementation of fissures, disclosure satisfy that the waterproof requirement of structure, ensure that the safety of structure.Framed side wallboard is located at the outermost of pipe gallery
Side, with higher waterproof requirement, and framed side wallboard uses precast construction, when bottom plate uses cast-in-place structural, the two junction at
For the important node of waterproof, the present invention is laid with modified asphalt felt prior to the bottom of cupuliform slot, as waterproof layer, is then inciting somebody to action
Framed side wallboard is inserted into cupuliform slot, and the bottom of framed side wallboard erects on the modified asphalt felt as waterproof layer；In cupuliform slot
For asphalt reperfusion matizhi to form bitumastic layer in the both sides of framed side wallboard, which is located at modified asphalt felt
On, the two can good combination, improve waterproof effect, bitumastic layer closely be set to framed side wallboard surface, can
Meet waterproof requirement；Still further, the present invention is provided with pitch spunyarn layer or Bituminous hemp fiber on bitumastic layer
Layer, can further increase the waterproof effect at node；And the present invention use modified asphalt felt, bitumastic layer and
The cost of pitch spunyarn layer or Bituminous hemp fiber layer is relatively low, can reduce construction cost, and also reduce difficulty of construction.Anti- water coagulation
Soil structure not only has waterproof effect, additionally it is possible to play the role of reinforcing connection, can ensure between framed side wallboard and bottom plate
Effectively firm connection.
The comprehensive pipe gallery structure of the present invention is conducive to popularization and application of the half prefabrication and assembly construction technology in underground engineering, is underground work
Facilitation is played in the industrialization and industrialization of journey.
The present invention also provides the construction methods of a kind of half prefabricated assembled pipe gallery, are carried out below to the construction method
Explanation.
The construction method of the half prefabricated assembled pipe gallery of the present invention, includes the following steps：
As depicted in figs. 1 and 2, the foundation pit of construction pipe gallery 20；Foundation pit slope is excavated, and dewatering construction base in hole can be coordinated
Building enclosure in hole after excavation of foundation pit to designed elevation, then executes next step；
In bottom of foundation ditch cast-in-place construction bottom plate 21, and in being corresponded on bottom plate 21, cup is set at the position for waiting for safe wallboard 22
Shape slot 31, and the notch of cupuliform slot 31 is arranged upward；The cupuliform slot 31 include be erected on bottom plate 21 and with 21 1 bodily form of bottom plate
At side wall 311, the cup type being enclosed between the bottom plate 21 between two side 311 and two side 311 inside cupuliform slot 31 is empty
Between；
There is provided prefabricated piping lane segment 20a, piping lane segment 20a includes integrally formed top plate 23 and vertical with top plate 23 connects
Piping lane segment 20a is inserted in by wallboard 22 in corresponding cupuliform slot 31 and is erected on bottom plate 21 by the multiple wallboards 22 connect,
And it is formed with gap 33 between the surface of wallboard 22 and the internal face of corresponding cupuliform slot 31；Row can be used to hang piping lane segment
20a is lifted on bottom plate 21, then sets up skewed horizontal load, corrects prefabricated components installation site, the skewed horizontal load is as interim branch
Support structure can remove the skewed horizontal load after wallboard 22 and cupuliform slot 31 fix.
In conjunction with shown in Fig. 3, it will be connected and fixed by cast-in-place linkage section 20b between two adjacent piping lane segment 20a；
In conjunction with shown in Fig. 4, bitumastic layer 34, and bitumastic layer are formed in filled bitumen matizhi in gap 33
Notch of 34 top surface away from cupuliform slot 31 has a setpoint distance；Bitumastic layer 34 and the framed side wallboard being filled in gap 33
It combines closely between 221 surface and the internal face of cupuliform slot 31, since bitumastic has higher cohesive strength, pitch agate
Hoof lipid layer 34 can also play the role of connecting framed side wallboard 221 and bottom plate 21；
Waterproof concrete structure 35 is formed in perfusion water-proof concrete in gap 33, is closed by waterproof concrete structure 35
The notch of cupuliform slot 31.Waterproof concrete structure 35 can ensure the safety of structure for reinforcing framed side wallboard 221 and bottom plate 21
Property.
As the better embodiment of the present invention, further include before water-proof concrete is perfused：
Pitch spunyarn layer is formed in filled bitumen spunyarn in gap 33 or filled bitumen flax silk forms Bituminous hemp fiber layer 36, and
The pitch spunyarn or Bituminous hemp fiber filled are compacted.
Preferably, the top surface of bitumastic layer 34 is set to the center close to the cell wall 311 of cupuliform slot 31, by pitch
The top surface of flax silk layer 36 or pitch spunyarn layer is set to close at the notch of cupuliform slot 31 so that the Bituminous hemp fiber layer 36 or coal tar
There is perfusion of certain spacing for waterproof concrete structure 35 between the top surface and notch of numb layer.Utilize bitumastic
Gap 33 in layer 34 and Bituminous hemp fiber layer 36 or the stuffing cup-shaped slot of pitch spunyarn layer 31 can have higher waterproof effect,
Meet waterproof requirement.Bituminous hemp fiber layer 36 therein is mixed to form by pitch and flax silk, can be in filling flax silk in gap, by flax silk
Compacting, then the asphalt reperfusion into the flax silk so that Bituminous hemp fiber is mixed to form Bituminous hemp fiber layer 36；Pitch spunyarn layer by pitch and
Spunyarn is mixed to form, and in filling spunyarn in gap, spunyarn is compacted, then the asphalt reperfusion into the spunyarn so that pitch spunyarn is mixed
Conjunction forms pitch spunyarn layer.
As another better embodiment of the present invention, constructs before bottom plate 21, further include：
In the bottom of foundation pit construction bottom cushion 24；
It is laid with base plate waterproofing 251 on bottom cushion 24, base plate waterproofing 251 is coated to the end side of bottom plate 21 upwards
And it is attached at the top end face 3111 of the cell wall 311 of the corresponding cupuliform slot 31 positioned at end side, and then by the end of base plate waterproofing 251
Portion stretches into cupuliform slot 31 and fits with the internal face of cupuliform slot 31.
When construction, after the foundation pit construction of pipe gallery 20 is good, in the bottom of foundation pit construction bottom cushion 24, in base pad
It is laid with base plate waterproofing 251 on layer 24, and the end of base plate waterproofing 251 is reserved into surplus to coat the bottom plate constructed
Part then pours cast-in-place bottom plate 21 on base plate waterproofing 251, and in forming cupuliform slot 31 on bottom plate 21, waits for bottom plate 21
After concrete reaches curing strength, by the end side of the end of base plate waterproofing 251 bending cladding bottom plate 21, and by base plate waterproofing
251 end is stretched into cupuliform slot 31, bitumastic layer 34, Bituminous hemp fiber layer 36 or the drip being subsequently perfused using cupuliform slot 31
Green spunyarn layer and water-proof concrete 35 bury the end of the base plate waterproofing 251.
Further, wallboard 22 includes the framed side wallboard 221 positioned at side；
After being erected on framed side wallboard 221 in corresponding cupuliform slot 31, it is anti-to be laid with wallboard in the outer surface of framed side wallboard 221
Water layer 252, and the bottom end of wallboard waterproof layer 252 is placed in corresponding cupuliform slot 31.So that the end of the wallboard waterproof layer 252
Portion can pass through bitumastic layer 34, Bituminous hemp fiber layer 36 or the pitch spunyarn layer and water-proof concrete 35 in cupuliform slot 31
Bury solid.Preferably, the end of base plate waterproofing 251 can be layed in the bottom of cupuliform slot 31, by wallboard waterproof layer 252
End also bends and is layed in the bottom of cupuliform slot 31, and then by the end of the end of wallboard waterproof layer 252 and base plate waterproofing 251
Pressing part in portion's is simultaneously fixedly connected, to which wallboard waterproof layer 252 and base plate waterproofing 251 to be connected to integral waterproof knot
Structure can improve waterproof effect.
By cast-in-place linkage section 20b connections between two adjacent framed side wallboards 221, so being laid with wallboard waterproof layer 252
When, wallboard waterproof layer 252 is covered on the cast-in-place linkage section 20b as wall, is covered in synthesis by wallboard waterproof layer 252
The side face of wall of piping lane 20, to playing good waterproof action at side wall.
Further, further include：
It is laid with waterproof roofing layer 253 on top plate 23 and cast-in-place linkage section 20b, and by the end of waterproof roofing layer 253
End pressing connection corresponding on wallboard waterproof layer 252.
To which the present invention forms full packet by base plate waterproofing 251, wallboard waterproof layer 252 and waterproof roofing layer 253
Waterproof form, form closed annular waterproof construction system in the outside of pipe gallery 20, it can be ensured that pipe gallery is not
There is the phenomenon that infiltration and leak, ensures the water resistance of pipe gallery.
After outside waterproofing layer is constructed, earthing is backfilled into foundation pit, that is, completes the construction of pipe gallery.
As the another better embodiment of the present invention, as shown in figure 4, when perfusion water-proof concrete, in cupuliform slot 31
Perfusion forms reinforcing portion 351 between the top end face 3111 and framed side wallboard 221 of cell wall 311, and framed side wallboard is connected by the reinforcing portion 351
221 and cell wall 311 top end face 3111.
Preferably, the top surface of bitumastic layer 34 is set to the center close to the cell wall 311 of cupuliform slot 31, by pitch
The top surface of flax silk layer 36 or pitch spunyarn layer is set to close at the notch of cupuliform slot 31 so that the Bituminous hemp fiber layer 36 or coal tar
There is perfusion of certain spacing for waterproof concrete structure 35 between the top surface and notch of numb layer.Utilize bitumastic
Gap 33 in layer 34 and Bituminous hemp fiber layer 36 or the stuffing cup-shaped slot of pitch spunyarn layer 31 can have higher waterproof effect,
Meet waterproof requirement.Bituminous hemp fiber layer 36 therein is mixed to form by pitch and flax silk, can be in filling flax silk in gap, by flax silk
Compacting, then the asphalt reperfusion into the flax silk so that Bituminous hemp fiber is mixed to form Bituminous hemp fiber layer 36；Pitch spunyarn layer by pitch and
Spunyarn is mixed to form, and in filling spunyarn in gap, spunyarn is compacted, then the asphalt reperfusion into the spunyarn so that pitch spunyarn is mixed
Conjunction forms pitch spunyarn layer.
It is also wrapped before being erected on framed side wallboard 221 in cupuliform slot 31 as another better embodiment of the present invention
It includes：
In being laid with modified asphalt felt 37 on the slot bottom of cupuliform slot 221, to improve the effect of waterproof.
Preferably, when being laid with modified asphalt felt 37, the both ends of modified asphalt felt 37 are attached at cupuliform slot 31
On internal face.
Setting modified asphalt felt 37 can improve 21 junction of framed side wallboard 221 and bottom plate in asphalt reperfusion matizhi
Waterproof effect, modified asphalt felt 37 itself have water-proof function, and its can be good at bitumastic layer 34 it is be bonded
Together, closely knit waterproof construction is formed.
As the better embodiment another again of the present invention, the slot bottom width of cupuliform slot 31 is less than the width of notch.It is applying
When work cupuliform slot 31, in setting up template on bottom cushion 24, accordingly it is arranged in the both sides of the two side walls 311 of cupuliform slot 31 and keeps off
Plate, so that side wall 311 can pour to be formed with bottom plate 21 together.The slot bottom of cupuliform slot 31 and the surface of bottom plate 21 are flush,
And cupuliform slot 31 is located at two end sides of bottom plate 21.
As the better embodiment another again of the present invention, as shown in Fig. 2, passing through cup between framed side wallboard 221 and bottom plate 21
Slot joint structure 30 connects, and constituting 30a by another glass of slot node in conjunction with shown in Fig. 5, between deadlight 222 and bottom plate 21 connects
It connects, which includes the waterproof concrete structure 35 that cupuliform slot 31 is formed in perfusion in cupuliform slot 31,
Because the waterproof requirement at deadlight 222 is not high, so after the deadlight 222 is inserted into cupuliform slot 31, it can be to the cupuliform slot 31
Interior perfusion water-proof concrete carries out the cementation of fissures to form waterproof concrete structure 35, and the top surface of the waterproof concrete structure 35 with
The top surface of the cell wall 311 of cupuliform slot 31 flushes.In an installation before wallboard 222, modified drip is laid with prior to the bottom of cupuliform slot 31
Green malthoid 37, the modified asphalt felt 37 is between deadlight 222 and the slot bottom of cupuliform slot 31.
The construction method of half prefabricated assembled pipe gallery of the present invention has the beneficial effect that：
Using cupuliform slot connecting bottom board and wallboard, no-reinforcing-bar connection, site operation is simple and convenient, can improve construction effect
Rate；
Bottom plate is cast-in-place, wallboard and top plate using integral prefabricated, eliminate integral cast-in-situ piping lane perform mould bases and support when
Between, save duration and cost；
Base plate waterproofing, wallboard waterproof layer and waterproof roofing layer are set, forms the waterproof wrapped entirely and is formed, in integrated pipe
The outside of corridor forms closed annular waterproof construction system, it is ensured that Pipe rack does not occur seeping water and drainage, guarantee integrate
The water resistance of piping lane；
Gap between cupuliform slot and framed side wallboard is mixed using bitumastic, Bituminous hemp fiber or pitch spunyarn and waterproof
The solidifying soil cementation of fissures, disclosure satisfy that the waterproof requirement of structure, ensure that the safety of structure.Framed side wallboard is located at the outermost of pipe gallery
Side, with higher waterproof requirement, and framed side wallboard uses precast construction, when bottom plate uses cast-in-place structural, the two junction at
For the important node of waterproof, the present invention is laid with modified asphalt felt prior to the bottom of cupuliform slot, as waterproof layer, is then inciting somebody to action
Framed side wallboard is inserted into cupuliform slot, and the bottom of framed side wallboard erects on the modified asphalt felt as waterproof layer；In cupuliform slot
For asphalt reperfusion matizhi to form bitumastic layer in the both sides of framed side wallboard, which is located at modified asphalt felt
On, the two can good combination, improve waterproof effect, bitumastic layer closely be set to framed side wallboard surface, can
Meet waterproof requirement；Still further, the present invention is provided with pitch spunyarn layer or Bituminous hemp fiber on bitumastic layer
Layer, can further increase the waterproof effect at node；And the present invention use modified asphalt felt, bitumastic layer and
The cost of pitch spunyarn layer or Bituminous hemp fiber layer is relatively low, can reduce construction cost, and also reduce difficulty of construction.Anti- water coagulation
Soil structure not only has waterproof effect, additionally it is possible to play the role of reinforcing connection, can ensure between framed side wallboard and bottom plate
Effectively firm connection.
The construction method of the present invention is conducive to popularization and application of the half prefabrication and assembly construction technology in underground engineering, is underground engineering
Facilitation is played in industrialization and industrialization.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (10)
1. a kind of half prefabricated assembled pipe gallery, which is characterized in that including：
The bottom plate of cast-in-place formation corresponds on the bottom plate and is provided with cupuliform slot, the notch court of the cupuliform slot at the position of wallboard
Upper setting；
Prefabricated piping lane segment, including integrally formed top plate and with top plate multiple wallboards connected vertically, the piping lane segment
It is inserted in corresponding cupuliform slot and is erected on the bottom plate by the wallboard, and the surface of the wallboard and corresponding cup
It is formed with gap between the internal face of shape slot, is connected and fixed by cast-in-place linkage section between adjacent two piping lane segments；
The top surface of the bitumastic layer being filled in the gap, the bitumastic layer has away from the notch of the cupuliform slot
One setpoint distance；And
Perfusion is formed in the waterproof concrete structure in the gap, and the waterproof concrete structure is located at the bitumastic
On layer, and close by the waterproof concrete structure notch of the cupuliform slot.
2. half prefabricated assembled pipe gallery as described in claim 1, which is characterized in that be also filled with and be located in the gap
Bituminous hemp fiber layer between the waterproof concrete structure and the bitumastic layer or pitch spunyarn layer.
3. half prefabricated assembled pipe gallery as described in claim 1, which is characterized in that the bottom plate is arranged with bottom plate
Bed course, and base plate waterproofing is equipped between the bottom cushion and the bottom plate, the end of the base plate waterproofing is to turning over
Folding and sticking is set to the end side of the bottom plate and bending be attached at the cupuliform slot positioned at end side cell wall top end face, and then stretch to institute
It states in cupuliform slot and fits with the internal face of the cupuliform slot.
4. half prefabricated assembled pipe gallery as claimed in claim 3, which is characterized in that the wallboard includes being located at side
The outer surface of framed side wallboard, the framed side wallboard is equipped with wallboard waterproof layer, and the bottom part of the wallboard waterproof layer is in corresponding
In cupuliform slot.
5. half prefabricated assembled pipe gallery as claimed in claim 4, which is characterized in that the top plate and the cast-in-place connection
Waterproof roofing layer, and the end pressing corresponding on the wallboard waterproof layer of the end of the waterproof roofing layer are equipped on section
Connection.
6. a kind of construction method of half prefabricated assembled pipe gallery, which is characterized in that include the following steps：
The foundation pit of construction pipe gallery；
In the bottom of foundation ditch cast-in-place construction bottom plate, and in being corresponded on the bottom plate, cupuliform is set at the position for waiting for safe wallboard
Slot, and the notch of the cupuliform slot is arranged upward；
There is provided prefabricated piping lane segment, the piping lane segment includes integrally formed top plate and connected vertically more with the top plate
The piping lane segment is inserted in by the wallboard in corresponding cupuliform slot and is erected on the bottom plate by a wallboard, and institute
It states and is formed with gap between the surface of wallboard and the internal face of corresponding cupuliform slot；
It will be connected and fixed by cast-in-place linkage section between two adjacent piping lane segments；
Bitumastic layer is formed in filled bitumen matizhi in the gap, and the top surface of the bitumastic layer is away from described
The notch of cupuliform slot has a setpoint distance；And
Waterproof concrete structure is formed in water-proof concrete is perfused in the gap, institute is closed by the waterproof concrete structure
State the notch of cupuliform slot.
7. the construction method of half prefabricated assembled pipe gallery as claimed in claim 6, which is characterized in that mixed in perfusion waterproof
Further include before solidifying soil：
Pitch spunyarn layer is formed in the gap filling pitch spunyarn or filled bitumen flax silk forms Bituminous hemp fiber layer, and will be filled out
Pitch spunyarn or the Bituminous hemp fiber compacting filled.
8. the construction method of half prefabricated assembled pipe gallery as claimed in claim 6, which is characterized in that construction bottom plate it
Before, further include：
In the bottom of foundation pit construction bottom cushion；
It is laid with base plate waterproofing on the bottom cushion, the base plate waterproofing is coated into the end side of the bottom plate simultaneously upwards
It is attached at the top end face of the cell wall of the corresponding cupuliform slot positioned at end side, and then the cup is stretched into the end of the base plate waterproofing
It fits in shape slot and with the internal face of the cupuliform slot.
9. the construction method of half prefabricated assembled pipe gallery as claimed in claim 8, which is characterized in that the wallboard includes
Framed side wallboard positioned at side；
After the framed side wallboard is erected in corresponding cupuliform slot, wallboard waterproof is laid in the outer surface of the framed side wallboard
Layer, and the bottom end of the wallboard waterproof layer is placed in corresponding cupuliform slot.
10. the construction method of half prefabricated assembled pipe gallery as claimed in claim 9, which is characterized in that further include：
Waterproof roofing layer is laid on the top plate and the cast-in-place linkage section, and by the end of the waterproof roofing layer and institute
State corresponding end pressing connection on wallboard waterproof layer.
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| CN201810551369.XA CN108560586A (en) | 2018-05-31 | 2018-05-31 | Half prefabricated assembled pipe gallery and its construction method |
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| CN201810551369.XA CN108560586A (en) | 2018-05-31 | 2018-05-31 | Half prefabricated assembled pipe gallery and its construction method |
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| CN109680719A (en) * | 2019-02-25 | 2019-04-26 | 北京市市政工程设计研究总院有限公司 | A kind of jigsaw assembled pipe gallery and construction method |
| CN109706953A (en) * | 2019-01-21 | 2019-05-03 | 吉林建筑大学 | Mold and drawing-die construction method for assembly concrete hypogee sole plate |
| CN113668624A (en) * | 2021-08-24 | 2021-11-19 | 中国建筑第八工程局有限公司 | Device and method for testing waterproof performance of assembled comprehensive pipe rack node |
| CN113668623A (en) * | 2021-08-24 | 2021-11-19 | 中国建筑第八工程局有限公司 | Mechanical property test device and method for connection node of assembled cup groove |
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Application publication date: 20180921 |