CN110439114B - Arch building end node structure and construction method thereof - Google Patents
Arch building end node structure and construction method thereof Download PDFInfo
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- CN110439114B CN110439114B CN201910745350.3A CN201910745350A CN110439114B CN 110439114 B CN110439114 B CN 110439114B CN 201910745350 A CN201910745350 A CN 201910745350A CN 110439114 B CN110439114 B CN 110439114B
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- 238000010276 construction Methods 0.000 title claims abstract description 57
- 239000011449 brick Substances 0.000 claims abstract description 101
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 72
- 239000010959 steel Substances 0.000 claims abstract description 72
- 229920002396 Polyurea Polymers 0.000 claims abstract description 33
- 229920002635 polyurethane Polymers 0.000 claims abstract description 20
- 239000004814 polyurethane Substances 0.000 claims abstract description 20
- 238000007493 shaping process Methods 0.000 claims abstract description 18
- 239000011083 cement mortar Substances 0.000 claims abstract description 12
- 239000004570 mortar (masonry) Substances 0.000 claims description 32
- 238000005187 foaming Methods 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009736 wetting Methods 0.000 claims description 3
- 239000012463 white pigment Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract description 2
- 239000011241 protective layer Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 84
- 239000000463 material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000003853 Pinholing Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B1/3205—Structures with a longitudinal horizontal axis, e.g. cylindrical or prismatic structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
- E04D13/155—Trimming strips; Edge strips; Fascias; Expansion joints for roofs retaining the roof sheathing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
- E04D13/158—Trimming strips; Edge strips; Fascias; Expansion joints for roofs covering the overhang at the eave side, e.g. soffits, or the verge of saddle roofs
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Road Paving Structures (AREA)
- Floor Finish (AREA)
Abstract
The utility model provides an arch building end node structure and construction method thereof, the node structure includes the steel construction of the hunch body structure and the tip of concrete, still include waterproof construction, tip dry-hang structure, inboard dry-hang structure and outside masonry structure, the steel construction includes girder, main joist curved beam and continuous beam, waterproof construction is from the outside surface of hunch body structure to the outside surface of leading side through girder lateral surface until the full surface of cladding main joist curved beam, tip dry-hang structure includes the tip secondary joist, dry-hang whole angle sign indicating number and tip dry-hang kiln brick, the tip secondary joist is that a set of size the same tip secondary joist unit is connected side by side and forms, gap between the adjacent two inboard dry-hang kiln bricks is filled through dry hard cement mortar. The joint part of the end head of the invention adopts polyurea waterproof and polyurethane protective layers to carry out waterproof construction. The end kiln bricks are hung in a dry manner, so that the relative positions of kiln bricks in each row can be guaranteed to be accurate, and the PVC plastering and shaping tool is processed and shaped to ensure unification of brick joints.
Description
Technical Field
The invention relates to a node of a special-shaped building, in particular to an end node structure of an arch-shaped building and a construction method thereof.
Background
Along with the continuous development of science and technology, the designer more bias the design theory to the special-shaped building of high-definition point, and special-shaped building end node is handled and is the bright spot of design simultaneously also is the difficulty of construction, not only need consider the end to handle smooth connection with the main part, also compromise simultaneously the waterproof way of two kinds of different material handing-over positions and handle. Taking the node of concrete arch building transition steel as an example, the following problems exist:
1. the radian change department sets up to steel construction end skeleton according to the design requirement, and the arch tip thickness reduces to thinner structure by thicker structure, therefore when concrete transition to steel construction, ordinary waterproof layer is liable to be heated and is expanded shrinkage phenomenon and cause waterproof node processing difficulty.
2. The end part of the arch body is in a kiln brick dry hanging mode, and if the traditional single brick dry hanging mode is adopted, the difficulty of positioning and paying-off is huge.
3. Because the end of the arch body is outdoor, tourists can observe the end modeling from 360 degrees in all directions, a traditional dry hanging mode is adopted, gaps of 6mm exist between brick joints, and a light transmission phenomenon occurs.
Disclosure of Invention
The invention aims to provide an arch building end node structure and a construction method thereof, which aim to solve the technical problems that the existing arch building node has the problems of difficult water resistance of nodes made of different materials, large difficulty in dry hanging, positioning and paying-off of end single-brick kiln bricks and light transmission phenomenon of brick joints.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an arch building end node structure comprises a concrete arch body structure, an end steel structure, a waterproof structure, an end dry hanging structure, an inner side dry hanging structure and an outer side masonry structure,
the steel structure comprises a straight main girder, an arched main keel curved girder and a connecting girder,
the main beams are arranged along the outer side of the arch structure, the rear end parts of the main beams are fixedly connected with the end surfaces of the arch structure, the longitudinal axis surface of the main beams is the normal line surface of the arch structure at the position, the bending radian of the main keel curved beams is adapted to the bending radian of the cross section of the arch structure, the rear sides of the main keel curved beams are sequentially connected with the front end parts of the main beams,
the left side surface and the right side surface of two adjacent girders are fixedly connected through a connecting girder, the connecting girder is vertical to the girders, the outer side surfaces of the connecting girders are level with the outer side surfaces of the girders,
the outer side surface of the main keel curved beam is flush with the outer side surface of the arch structure and protrudes outwards from the outer side surface of the main girder,
the waterproof structure passes through the outer side surface of the main girder from the outer side surface of the arch structure to the front side until the whole surface of the main joist curved girder is covered,
the end dry hanging structure comprises an end secondary keel, a dry hanging integral corner bracket and an end dry hanging kiln brick,
the end secondary joist is an integral joist formed by connecting a group of end secondary joist units with the same size side by side, the end secondary joist is arranged around the outside of the main joist curved beam for a circle, the cross section of the end secondary joist is U-shaped, the opening of the end secondary joist faces the main joist curved beam, the inner profile of the cross section of the end secondary joist is adapted to the outer profile of the cross section of the main joist curved beam, the end secondary joist is clamped outside the waterproof structure of the main joist curved beam and is fixedly connected with the main joist curved beam through an end secondary joist connecting piece,
the dry hanging integral corner connector comprises a group of dry hanging integral corner connector units which are identical in size and are arranged side by side, the dry hanging integral corner connector is arranged for a circle around the outside of the end secondary joist, the whole of the dry hanging integral corner connector unit is U-shaped, the shape of the dry hanging integral corner connector unit is matched with that of the end secondary joist unit, the opening of the dry hanging integral corner connector unit faces the end secondary joist, the inner profile of the cross section of the dry hanging integral corner connector unit is matched with that of the cross section of the end secondary joist, the dry hanging integral corner connector is clamped outside the end secondary joist and fixedly connected with the end secondary joist through a corner connector, the end dry hanging kiln bricks are fixedly connected with the end secondary joist around the outside of the dry hanging integral corner connector unit, the installation direction of the end dry hanging kiln bricks is the normal plane of the arch structure, and gaps between two adjacent inner dry hanging kiln bricks are filled with dry hard cement mortar;
the outer side masonry structure comprises masonry mortar and masonry kiln bricks, the masonry mortar is paved on the upper side of the waterproof structure at the rear side of the end part dry-hanging kiln bricks, the masonry kiln bricks are seated on the masonry mortar, and the installation direction of the masonry kiln bricks is a normal line surface of the vertical arch structure;
the inner side dry-hanging structure comprises inner side secondary keels, dry-hanging single angle codes and inner side dry-hanging kiln bricks, the inner side secondary keels are fixedly connected side by side along the inner side surface of the main girder, the inner side secondary keels are connected with the main girders along the inner sides and the through length of the main girder, the dry-hanging single angle codes correspond to the inner side secondary keels and are fixedly connected with the inner side secondary keels, the inner side dry-hanging kiln bricks correspond to the inner side secondary keels and are fixedly connected with the inner side secondary keels, and the installation direction of the inner side dry-hanging kiln bricks is the normal line surface of the vertical arch structure.
The girder is variable cross section box girder, and the girder cross section is the rectangle that keeps unchanged from front side to rear side width, and length increases gradually, the rear end portion of girder passes through the channel-section steel centre gripping of both sides and connects, the rear end portion and the pre-buried board welded connection at the arch structure surface of channel-section steel, the inboard bottom plate of girder is slant board one.
The cross section of the main keel curved beam is quadrilateral, two outer corners of the main keel curved beam are right angles, two inner corners of the main keel curved beam are acute angles and obtuse angles respectively, an inner bottom plate of the main keel curved beam is a second inclined plate, the slope of the second inclined plate is the same as that of the first inclined plate, and the inner surfaces of the second inclined plate and the first inclined plate are in smooth transition; the connecting beam is square, and is welded with the main beam.
The cross section of tip secondary joist is the rectangle, tip secondary joist is including horizontal pole, montant and the diagonal bar that connect gradually, butt joint after the two liang of handing-over positions chamfer 45 degrees of three pole, and the length of horizontal pole extends to the outside of girder, and the length of diagonal bar extends to the inboard of girder.
The waterproof structure sequentially comprises a steel plate base layer, a polyurea waterproof layer, a foaming polyurethane layer and a waterproof mortar layer from the inner side to the outer side,
the steel plate base layer extends from the outer side surface of the main girder to the whole surface of the main joist curved girder to the inner side surface of the main girder,
the polyurea waterproof layer extends from the outer side surface of the arch structure to the front side through the steel plate base layer of the outer side surface of the main girder until the steel plate base layer coating the whole surface of the main joist curved beam extends to the surface of the steel plate base layer of the inner side of the main joist curved beam,
the foaming polyurethane layer is fully paved outside the polyurea waterproof layer on the outer side surface of the main joist curved beam,
the waterproof mortar layer is fully paved outside the foaming polyurethane layer and extends to the outer side of the polyurea waterproof layer on the outer side surface of the main joist curved beam.
The cross section of the dry-hanging integral corner brace unit is h-shaped, the dry-hanging integral corner brace unit comprises a groove body and a connecting plate, the groove body comprises groove side plates and groove bottom plates at two sides, the groove side plates at one side extend towards the groove bottom plates and are vertically bent, a bent edge is formed into the connecting plate, the end portion dry-hanging kiln bricks are inserted into the groove body and are placed on the groove bottom plates, the groove side plates at two sides and the end portion dry-hanging kiln bricks are connected through kiln brick counter-pull bolts, and the connecting plate is fixedly connected to the end portion secondary keels through connecting screws.
A plastering shaping tool is arranged between two adjacent end dry-hanging kiln bricks, the plastering shaping tool is U-shaped and is made of pvc, the outer contour shape of the plastering shaping tool is identical to the outer contour shape of each end dry-hanging kiln brick, and the width of the plastering shaping tool is equal to the pressing seam depth of the dry-hardening cement mortar.
A construction method of an arch building end node structure comprises the following construction steps,
step one, designing and processing the sizes of all members of an arch structure, a steel structure, a waterproof structure, an end dry-hanging structure, an inner dry-hanging structure and an outer masonry structure;
embedding embedded plates in positions corresponding to the main beams one by one during construction of the arch structure; the rear end parts of the main beams are connected with channel steel, and then the main beams are correspondingly and fixedly connected with the embedded plates one by one through the channel steel;
step three, integrally positioning and connecting a main keel curved beam at the front end part of the main girder;
step four, fixedly connecting connection beams at two sides of the main beam;
step five, constructing a fully-paved steel plate base layer on the outer sides of the main joist curved beam, the main girder and the arch structure and tightly attaching the steel plate base layer, the main joist curved beam, the main girder and the arch structure;
step six, constructing a polyurea waterproof layer along the outer side of the steel plate base layer;
step seven, constructing a foaming polyurethane layer on the outer side of the polyurea waterproof layer;
step eight, integrally constructing a waterproof mortar layer;
step nine, integrally clamping the integrally manufactured end secondary joists outside the main joist curved beam, and then anchoring the integrally manufactured end secondary joists with the main girder through end secondary joist connectors;
step ten, the dry-hanging integral corner brace units are clamped outside each end secondary keel unit in a one-to-one correspondence manner, and then are anchored with the end secondary keel units through corner brace connectors;
step eleven, fixedly connecting corresponding end dry hanging kiln bricks on each dry hanging integral corner brace unit until all end dry hanging kiln bricks are dry-hung;
step twelve, constructing an outside masonry structure: firstly, constructing masonry mortar on the outer side of a waterproof mortar layer, and then sitting the masonry kiln bricks on the masonry mortar;
thirteen, constructing an inner side dry hanging structure: the inner side secondary joist is fixedly connected with the inner side of the main girder, then the dry hanging single corner bracket is sequentially connected, and a single inner side dry hanging kiln brick is hung on the dry hanging single corner bracket.
And step six, base layer treatment before construction: checking and accepting the whole steel plate base layer, wherein the steel plate base layer needs to be kept flat, meanwhile, the drying is guaranteed, the steel plate base layer is compact and free of honeycomb pitting, greasy dirt and looseness, and the flatness is smaller than 3 mm guiding rule;
and step six, constructing a base coat layer before construction: uniformly spraying an undercoat on the surface of a steel plate base layer by adopting a small single-component spraying machine, or adopting a roll coating and rolling brush, wherein the undercoat is a special epoxy resin-based primer for drying the base layer or a polyurethane-based primer for wetting the base layer, and the primer is required to be uniformly coated, and has no leakage coating and no accumulation; adding white pigment showing needle eye defect after filling repair putty into the bottom coat, and then repairing needle eyes;
and step six, during construction: the construction of polyurea waterproof layer adopts mechanical spraying construction and manual work to assist the construction, and during the construction of polyurea waterproof layer, the temperature of steel sheet basic unit guarantees to be 3 degrees centigrade, and the two-layer of polyurea waterproof layer spraying is two-layer, and two-layer construction clearance is more than 6 hours.
In the eleventh step, after the construction of each end part dry-hanging kiln brick is finished, a plastering shaping tool is arranged on one side of the next end part dry-hanging kiln brick to be installed, dry and hard cement mortar is coated on the whole of the position outside the plastering shaping tool, and then the next end part dry-hanging kiln brick is installed.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the concrete and steel structure part of the invention needs to be treated by adopting a careful waterproof node, and the waterproof layer needs to have certain expansion and contraction capacity in order to prevent the phenomena of thermal expansion and cold contraction. The joint of the arch concrete and the steel structure end adopts the polyurea waterproof and polyurethane protective layer to carry out waterproof construction. The polyurea coating is waterproof and suitable for concrete surfaces and metal surfaces, and has the characteristics of water resistance, corrosion resistance and wear resistance.
According to the invention, the dry hanging of the end kiln bricks is changed from single brick dry hanging to multi-brick dry hanging, and the forming hanging parts are processed, so that the whole dry hanging can ensure the accurate relative positions of kiln bricks in each row. In the construction process, only a single row of bricks are positioned, so that a large amount of positioning and paying-off workload is reduced. Corresponding measures are needed to reduce the construction difficulty.
In the process of hanging bricks at the end, in order to prevent the phenomenon of light transmission of the end, gaps are required to be partially plugged, mortar is required to be filled between brick joints, and as the hanging bricks are integrally hung, the shaping PVC plastering shaping tool is processed according to the shape of the integral hanging member, the unification of the brick joints can be ensured, and meanwhile, the unification of the depth of the pressing joints of the mortar and the cleanliness of the surface of a kiln brick can be ensured.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a node location structure of the present invention.
Fig. 2 is a schematic illustration of the attachment of the main beam to the donor structure.
Fig. 3 is a schematic diagram of the connection of the main joist curved beam to the main beam and the connection beam to the main beam.
Fig. 4 is a schematic perspective view of fig. 3.
Fig. 5 is a schematic structural view of the construction steel sheet base layer and polyurea waterproof layer after completion.
Fig. 6 is an enlarged schematic end view of fig. 5.
Fig. 7 is an enlarged schematic view of the tail of fig. 5.
Fig. 8 is a schematic structural view of the construction of the foamed polyurethane layer waterproof mortar layer after completion.
Fig. 9 is an enlarged schematic end view of fig. 8.
Fig. 10 is an enlarged schematic view of the tail of fig. 8.
Fig. 11 is a schematic view of the connection structure of the end cross runners.
Fig. 12 is a perspective view of the structure of fig. 11.
Figure 13 is a block diagram of an end runner.
Figure 14 is a schematic cross-sectional view of an end cross runner.
Fig. 15 is a schematic view of a connection structure of the dry-hanging integral corner brace.
Fig. 16 is a schematic view of the structure of a dry-hang integrated corner brace.
Fig. 17 is a schematic perspective view of fig. 16.
Fig. 18 is a schematic diagram of the connection structure of the dry-hanging integral corner brace and the end dry-hanging kiln brick.
Fig. 19 is a schematic side view of fig. 18.
Fig. 20 is a schematic view of the construction completion of the bricklaying kiln brick.
Fig. 21 is a schematic view of the construction completion of the inside dry hanging kiln bricks.
Fig. 22 is a schematic view of the mounting structure of the plastering setting tool.
Fig. 23 is a schematic structural view of a dry set cement mortar filler.
Reference numerals: 1-arch structure, 2-girder, 22-inclined plate I, 3-main joist curved beam, 31-inclined plate II, 4-connecting beam, 5-end secondary joist, 51-horizontal bar, 52-vertical bar, 53-inclined bar, 6-dry hanging integral angle brace, 61-groove side plate, 62-groove bottom plate, 63-connecting plate, 7-end dry hanging kiln brick, 8-end secondary joist connector, 9-angle brace connector, 10-dry hard cement mortar, 11-masonry mortar, 12-masonry kiln brick, 13-inner secondary joist, 14-dry hanging single angle brace, 15-inner dry hanging kiln brick, 16-channel steel, 17-embedded plate, 18-steel plate base layer, 19-polyurea waterproof layer, 20-foaming polyurethane layer, 21-waterproof mortar layer, 23-kiln brick split bolt, 24-connecting screw and 25-plastering setting tool.
Detailed Description
Examples referring to fig. 1 and 21, an arch building end node structure comprises an arch body structure 1 of concrete and a steel structure of an end part, and further comprises a waterproof structure, an end part dry hanging structure, an inner side dry hanging structure and an outer side masonry structure. Within the dashed circle in fig. 1 are typical nodes.
Referring to fig. 1-4, the steel structure includes a straight main beam 2, an arched main keel curved beam 3, and a connecting beam 4.
Referring to fig. 1, the main beams 2 are provided with a group along the outer side of the arch structure, the rear end parts of the main beams are fixedly connected with the end surfaces of the arch structure, the longitudinal axis surface of the main beams, namely the normal line surface of the arch structure at the position, the bending radian of the main keel curved beams 3 is adapted to the bending radian of the cross section of the arch structure, and the rear sides of the main keel curved beams are sequentially connected with the front end parts of the main beams.
Referring to fig. 3-4, the left side surface and the right side surface of two adjacent main beams are fixedly connected through a connecting beam 4, the connecting beam is vertical to the main beams, and the outer side surface of the connecting beam is flush with the outer side surface of the main beams.
The outer side surface of the main joist curved beam 3 is flush with the outer side surface of the arch structure 1 and protrudes outwards from the outer side surface of the main girder 2.
Referring to fig. 2-4, the main beam 2 is a variable cross-section box-shaped steel beam, the cross section of the main beam is rectangular with the width from the front side to the rear side being kept unchanged and the length being gradually increased, the rear end of the main beam is clamped and connected by channel steel 16 on two sides, the rear end of the channel steel is welded and connected with an embedded plate 17 embedded on the surface of the arch structure, and the inner side bottom plate of the main beam is an inclined plate one 22.
Referring to fig. 3-4, the cross section of the main joist curved beam 3 is quadrilateral, two outer corners of the main joist curved beam are right angles, two inner corners of the main joist curved beam are acute angles and obtuse angles respectively, the inner bottom plate of the main joist curved beam 3 is a second inclined plate 31, the slope of the second inclined plate 31 is the same as that of the first inclined plate 22, and the inner surfaces of the second inclined plate and the first inclined plate are in smooth transition; the connecting beam 4 is square, and is welded with the main beam.
In the embodiment, the thickness of the variable cross-section box steel beam is 5mm, and the length is 1607mm. The length of the channel steel is 250mm. The cross section of the connecting beam is 40mm multiplied by 4mm aluminum alloy square tubes, and the spacing is 400 mm. The end cross runner connector 8 is a stainless steel screw.
Referring to fig. 5-10, the waterproof structure passes from the outer side surface of the arch structure 1 to the front side through the outer side surface of the main girder 2 until the whole surface of the main joist curved girder 3 is covered.
The waterproof structure sequentially comprises a steel plate base layer 18, a polyurea waterproof layer 19, a foaming polyurethane layer 20 and a waterproof mortar layer 21 from inside to outside.
Referring to fig. 5-7, the steel substrate 18 extends from the outer surface of the main girder up to the full surface of the cladding main joist curved girder to the inner surface of the main girder.
The polyurea waterproof layer 19 extends from the outer side surface of the arch structure to the front side, through the steel plate base layer on the outer side surface of the main girder until the steel plate base layer coating the whole surface of the main joist curved beam to the surface of the steel plate base layer on the inner side of the main joist curved beam.
Referring to fig. 8 to 10, the foamed polyurethane layer 20 is fully laid on the outside of the polyurea waterproof layer 19 on the outer side surface of the main joist curved beam,
the waterproof mortar layer 21 is fully paved outside the foaming polyurethane layer 20 and extends to the outer side of the polyurea waterproof layer on the outer side surface of the main joist curved beam.
Referring to fig. 11-19, the end dry hanging structure comprises an end secondary keel 5, a dry hanging integral corner bracket 6 and an end dry hanging kiln brick 7.
Referring to fig. 11-14, the end cross runners 5 are integral runners formed by connecting a group of end cross runner units with the same size side by side, the end cross runners are arranged around the outside of the main runner curved beam in a circle, the cross section of the end cross runner is in a U shape, the opening of the end cross runner 5 faces the main runner curved beam 3, the inner profile of the cross section of the end cross runner is adapted to the outer profile of the cross section of the main runner curved beam, and the end cross runner 5 is clamped outside a waterproof structure at the position of the main runner curved beam 3 and is fixedly connected with the main runner curved beam 3 through an end cross runner connecting piece 8.
The cross section of tip secondary joist 5 is the rectangle, tip secondary joist 5 is including horizontal pole 51, montant 52 and the diagonal rod 53 that connect gradually, butt joint behind the two liang of handing-over positions chamfer 45 degrees of three pole, and the length of horizontal pole 51 extends to the outside of girder 2, and the length of diagonal rod 53 extends to the inboard of girder 2.
Referring to fig. 15-19, the dry-hanging integral corner brace 6 includes a set of dry-hanging integral corner brace units with the same size and arranged side by side, the dry-hanging integral corner brace is arranged around the outside of the end secondary joist 5, the whole of the dry-hanging integral corner brace unit is in a U shape, the shape of the dry-hanging integral corner brace unit is adapted to the shape of the end secondary joist unit, the opening of the dry-hanging integral corner brace unit faces the end secondary joist 5, the inner profile of the cross section of the dry-hanging integral corner brace unit is adapted to the outer profile of the cross section of the end secondary joist, the dry-hanging integral corner brace 6 is clamped outside the end secondary joist 5 and fixedly connected with the end secondary joist 5 through a corner brace connecting piece 9, the end dry-hanging kiln brick 7 is arranged around the outside of the dry-hanging integral corner brace 6 and fixedly connected with the end secondary joist 5, the installation direction of the end dry-hanging kiln brick 7 is a normal line surface of an arch structure, and gaps between two adjacent inner dry-kiln bricks are filled by dry hard cement mortar 10. The corner connector 9 is a stainless steel screw. In the embodiment, each inner side dry hanging kiln brick comprises five brick bodies. Two horizontal rods are arranged on one side, one vertical rod is arranged on one side, and two inclined rods are arranged on one side.
The cross section of the dry-hanging integral corner brace unit is h-shaped, the dry-hanging integral corner brace unit comprises a groove body and a connecting plate 63, the groove body comprises ledge plates 61 and groove bottom plates 62 on two sides, the ledge plates on one side extend towards the groove bottom plates and are vertically bent, a bent edge is formed into the connecting plate, the end portion dry-hanging kiln bricks 7 are inserted into the groove body and are placed on the groove bottom plates, the ledge plates 61 on two sides and the end portion dry-hanging kiln bricks 7 are connected through kiln brick counter bolts 23 which are communicated, and the connecting plate 63 is fixedly connected to the end portion secondary joist 5 through connecting screws 24. The connection screws 24 are all stainless steel screws.
Referring to fig. 22-23, a plastering setting tool 25 is arranged between two adjacent end dry-hanging kiln bricks, the plastering setting tool is U-shaped and made of pvc, the outer contour shape of the plastering setting tool is the same as the outer contour shape of each end dry-hanging kiln brick, and the width of the plastering setting tool 25 is equal to the pressing seam depth of the dry-hardening cement mortar 10.
Referring to fig. 20 and 22, the outer masonry structure comprises masonry mortar 11 and masonry kiln bricks 12, the masonry mortar 11 is flatly paved on the upper side of the waterproof structure at the rear side of the end part dry-hanging kiln bricks 7, the masonry kiln bricks are arranged on the masonry mortar, and the installation direction of the masonry kiln bricks is a normal line surface of the vertical arch structure.
Referring to fig. 21-22, the inner dry hanging structure includes an inner secondary keel 13, a dry hanging single corner 14 and an inner dry hanging kiln brick 15, the inner secondary keel 13 is fixedly connected side by side along the inner side surface of the main girder 2, the inner secondary keel 13 is connected with each main girder 2 along the inner side and the through length of the main girder, the dry hanging single corner 14 corresponds to each inner secondary keel 13 and is fixedly connected with each inner secondary keel, the inner dry hanging kiln brick 15 corresponds to each inner secondary keel 13 and is fixedly connected with each inner secondary keel, and the installation direction of the inner dry hanging kiln brick is a normal line surface of the vertical arch structure.
The construction method of the arched building end node structure comprises the following construction steps,
step one, designing and processing the sizes of all members of the arch body structure 1, the steel structure, the waterproof structure, the end part dry-hanging structure, the inner side dry-hanging structure and the outer side masonry structure.
Step two, embedding embedded plates 17 in the positions corresponding to the main beams one by one during construction of the arch structure; the rear end parts of the main beams 2 are connected with channel steel 16, and then the main beams 2 are correspondingly and fixedly connected with the embedded plates 17 through the channel steel 16 one by one.
And thirdly, integrally positioning and connecting a main keel curved beam 3 at the front end part of the main girder 2. See fig. 1-2.
And step four, fixedly connecting the connecting beams 4 on two sides of the main beam 2. See fig. 3-4.
And fifthly, constructing a fully-paved steel plate base layer 18 on the outer sides of the main joist curved beam 3, the main girder 2 and the arch body structure 1, and tightly attaching the fully-paved steel plate base layer 18 to the main joist curved beam 3, the main girder 2 and the arch body structure 1.
Step six, constructing a polyurea waterproof layer 19 along the outer side of the steel plate base layer 18; and step six, base layer treatment before construction: the whole steel plate base layer is subjected to acceptance treatment, the steel plate base layer is required to be kept flat, meanwhile, drying is guaranteed, the steel plate base layer is compact and free of honeycomb pitting, greasy dirt and looseness, and the flatness is smaller than 3 mm guiding rule. See fig. 5-7.
And step six, constructing a base coat layer before construction: uniformly spraying an undercoat on the surface of a steel plate base layer by adopting a small single-component spraying machine, or adopting a roll coating and rolling brush, wherein the undercoat is a special epoxy resin-based primer for drying the base layer or a polyurethane-based primer for wetting the base layer, and the primer is required to be uniformly coated, and has no leakage coating and no accumulation; white pigment showing the pinholing defect after the repair putty is fully scraped is added into the bottom coating, and then the pinholing is repaired.
And step six, during construction: the construction of polyurea waterproof layer adopts mechanical spraying construction and manual work to assist the construction, and during the construction of polyurea waterproof layer, the temperature of steel sheet basic unit guarantees to be 3 degrees centigrade, and the two-layer of polyurea waterproof layer spraying is two-layer, and two-layer construction clearance is more than 6 hours.
And step seven, a foaming polyurethane layer 20 is constructed on the outer side of the polyurea waterproof layer 19. The foaming polyurethane layer is arranged on the polyurea waterproof layer to play a certain role of a heat insulation protection layer, spraying is adopted for construction, two groups of solutions are respectively stored in two charging drums according to a formula, materials are filtered to a metering pump, a pneumatic motor drives the materials to operate, the materials are conveyed to a spray gun body through a material conveying pipe, the materials are conveyed into a mixing chamber through a compressed air regulating valve, and the materials are sprayed to a pipeline or equipment for foaming molding through a spray pipe nozzle after being mixed.
And step eight, integrally constructing a waterproof mortar layer 21. See fig. 8-10.
And step nine, integrally clamping the integrally manufactured end secondary joists 5 outside the main joist curved beams 3, and then anchoring the integrally manufactured end secondary joists with the main girders 2 through end secondary joist connectors 8. See fig. 11-14.
And step ten, the dry-hanging integral corner connector units are clamped outside each end secondary keel unit in a one-to-one correspondence manner, and then are anchored with the end secondary keel units through the corner connector 9. See fig. 15-17.
And step eleven, fixedly connecting corresponding end dry hanging kiln bricks 7 on each dry hanging integral corner brace unit until all end dry hanging kiln bricks are dry-hung. After the construction of each end part dry-hanging kiln brick 7 is completed, a plastering shaping tool 25 is arranged on one side of the next end part dry-hanging kiln brick to be installed, dry and hard cement mortar is coated on the whole outside the plastering shaping tool 25, the next end part dry-hanging kiln brick 7 is installed, and then the plastering shaping tool 25 is removed and transferred to one side of the next end part dry-hanging kiln brick 7. See fig. 18-23.
Step twelve, constructing an outside masonry structure: masonry mortar 11 is first applied to the outside of the layer 21 of waterproof mortar, and then masonry kiln bricks 12 are seated on the masonry mortar. See fig. 20-23.
Thirteen, constructing an inner side dry hanging structure: the inner secondary joist 13 is fixedly connected with the inner side of the main girder 2, then the dry hanging single corner codes 14 are sequentially connected, and a single inner side dry hanging kiln brick 15 is hung on the dry hanging single corner codes 14. See fig. 21-23.
In other embodiments, steps twelve and thirteen may be performed simultaneously with step eleven.
Claims (10)
1. An arch building end node construction comprising a concrete arch structure (1) and an end steel structure, characterized in that: also comprises a waterproof structure, an end part dry-hanging structure, an inner side dry-hanging structure and an outer side masonry structure,
the steel structure comprises a straight main girder (2), an arched main keel curved girder (3) and a connecting girder (4),
the main beams (2) are arranged along the outer side of the arch structure, the rear end parts of the main beams are fixedly connected with the end surfaces of the arch structure, the longitudinal axis surface of the main beams is the normal line surface of the arch structure at the position, the bending radian of the main keel curved beams (3) is adapted to the bending radian of the cross section of the arch structure, the rear sides of the main keel curved beams are sequentially connected with the front end parts of the main beams,
the left side surface and the right side surface of two adjacent girders are fixedly connected through a connecting girder (4), the connecting girder is vertical to the girders, the outer side surfaces of the connecting girders are level with the outer side surfaces of the girders,
the outer side surface of the main keel curved beam (3) is flush with the outer side surface of the arch structure (1) and protrudes outwards from the outer side surface of the main girder (2),
the waterproof structure passes through the outer side surface of the main girder (2) from the outer side surface of the arch structure (1) to the front side until the whole surface of the main joist curved girder (3) is covered,
the end dry hanging structure comprises an end secondary keel (5), a dry hanging integral corner brace (6) and an end dry hanging kiln brick (7),
the end secondary joist (5) is an integral joist formed by connecting a group of end secondary joist units with the same size side by side, the end secondary joist is arranged around the outside of the main joist curved beam, the cross section of the end secondary joist is U-shaped, the opening of the end secondary joist (5) faces the main joist curved beam (3) and the inner profile of the cross section of the end secondary joist is adapted to the outer profile of the cross section of the main joist curved beam, the end secondary joist (5) is clamped outside the waterproof structure of the position of the main joist curved beam (3) and is fixedly connected with the main joist curved beam (3) through an end secondary joist connecting piece (8),
the dry-hanging integral corner brace (6) comprises a group of dry-hanging integral corner brace units which are identical in size and are arranged side by side, the dry-hanging integral corner brace is arranged around the outside of the end secondary joist (5) in a circle, the whole body of the dry-hanging integral corner brace unit is U-shaped, the shape of the dry-hanging integral corner brace unit is matched with that of the end secondary joist unit, the opening of the dry-hanging integral corner brace unit faces the end secondary joist (5), the inner profile of the cross section of the dry-hanging integral corner brace unit is matched with the outer profile of the cross section of the end secondary joist, the dry-hanging integral corner brace (6) is clamped outside the end secondary joist (5) and is fixedly connected with the end secondary joist (5) through a corner brace connecting piece (9), the outer circle of the end dry-hanging kiln brick (7) is fixedly connected with the end secondary joist, the installation direction of the end dry-hanging kiln brick (7) is a normal plane of an arch structure, and gaps between two adjacent inner dry-hanging bricks are filled with dry-hanging cement mortar (10);
the outer side masonry structure comprises masonry mortar (11) and masonry kiln bricks (12), the masonry mortar (11) is flatly paved on the upper side of the waterproof structure at the rear side of the end part dry-hanging kiln bricks (7), the masonry kiln bricks are arranged on the masonry mortar, and the installation direction of the masonry kiln bricks is a normal line surface of the vertical arch structure;
the utility model provides a dry-hanging structure of inboard includes inboard secondary joist (13), hangs single angle sign indicating number (14) and inboard dry-hanging kiln brick (15) futilely, inboard secondary joist (13) are along the inboard surface of girder (2) fixed connection side by side, inboard, the logical length of girder are connected each girder (2) to inboard secondary joist (13), hang single angle sign indicating number (14) futilely and correspond each inboard secondary joist (13) and rather than fixed connection, inboard dry-hanging kiln brick (15) correspond each inboard secondary joist (13) and rather than fixed connection, the installation direction of inboard dry-hanging kiln brick is the normal plane of perpendicular hunch body structure.
2. The arch building end node configuration of claim 1, wherein: the girder (2) is a variable cross section box girder, the girder cross section is a rectangle with the width kept unchanged from the front side to the rear side and the length gradually increased, the rear end part of the girder is connected through the clamping of channel steel (16) on the two sides, the rear end part of the channel steel is welded with a pre-buried plate (17) pre-buried on the surface of the arch structure, and the inner side bottom plate of the girder is a first inclined plate (22).
3. The arch building end node configuration of claim 1, wherein: the cross section of the main joist curved beam (3) is quadrilateral, two outer corners of the main joist curved beam are right angles, two inner corners of the main joist curved beam are acute angles and obtuse angles respectively, an inner bottom plate of the main joist curved beam (3) is a slant plate II (31), the slope of the slant plate II (31) is the same as that of the slant plate I (22), and the inner surfaces of the slant plate II and the slant plate I (22) are in smooth transition; the connecting beam (4) is square, and is welded with the main beam.
4. The arch building end node configuration of claim 1, wherein: the cross section of tip secondary joist (5) is the rectangle, tip secondary joist (5) are including horizontal pole (51), montant (52) and diagonal bar (53) that connect gradually, butt joint behind two liang of handing-over positions chamfer 45 degrees of three poles, and the length of horizontal pole (51) extends to the outside of girder (2), and the length of diagonal bar (53) extends to the inboard of girder (2).
5. An arch building end node structure according to any one of claims 1-4, wherein: the waterproof structure sequentially comprises a steel plate base layer (18), a polyurea waterproof layer (19), a foaming polyurethane layer (20) and a waterproof mortar layer (21) from the inner side to the outer side,
the steel plate base layer (18) extends from the outer side surface of the main girder to the whole surface of the main joist curved girder to the inner side surface of the main girder,
the polyurea waterproof layer (19) extends from the outer side surface of the arch structure to the front side through the steel plate base layer of the outer side surface of the main girder until the steel plate base layer coating the whole surface of the main joist curved girder extends to the surface of the steel plate base layer of the inner side of the main joist curved girder,
the foaming polyurethane layer (20) is fully paved outside the polyurea waterproof layer (19) on the outer side surface of the main joist curved beam,
the waterproof mortar layer (21) is fully paved outside the foaming polyurethane layer (20) and extends to the outer side of the polyurea waterproof layer on the outer side surface of the main joist curved beam.
6. The arch shaped building end node construct of claim 5, wherein: the cross section of the dry-hanging integral corner brace unit is h-shaped, the dry-hanging integral corner brace unit comprises a groove body and a connecting plate (63) for clamping kiln bricks, the groove body comprises ledge plates (61) and groove bottom plates (62) on two sides, the ledge plates on one side extend towards the groove bottom plates and are vertically bent, a bent edge forms the connecting plate, the end portion dry-hanging kiln bricks (7) are inserted into the groove body and fall on the groove bottom plates, the ledge plates (61) on two sides and the end portion dry-hanging kiln bricks (7) are connected through kiln brick counter bolts (23) which are communicated, and the connecting plate (63) is fixedly connected onto an end portion secondary keel (5) through connecting screws (24).
7. The arch building end node configuration of claim 6, wherein: a plastering shaping tool (25) is arranged between two adjacent end dry-hanging kiln bricks, the plastering shaping tool is U-shaped and made of pvc, the outer contour shape of the plastering shaping tool is the same as the outer contour shape of each end dry-hanging kiln brick, and the width of the plastering shaping tool (25) is equal to the pressing seam depth of the dry-hardening cement mortar (10).
8. A method of constructing an arch-shaped building end node structure according to claim 5-7, wherein the construction steps are as follows,
step one, designing and processing the sizes of all members of an arch structure (1), a steel structure, a waterproof structure, an end part dry-hanging structure, an inner side dry-hanging structure and an outer side masonry structure;
embedding embedded plates (17) in the positions corresponding to the main beams one by one during construction of the arch structure; the rear end part of the main beam (2) is connected with channel steel (16), and then the main beams (2) are correspondingly and fixedly connected with the embedded plates (17) through the channel steel (16);
step three, integrally positioning and connecting a main keel curved beam (3) at the front end part of the main beam (2);
step four, fixedly connecting connection beams (4) on two sides of the main beam (2);
step five, constructing a fully-paved steel plate base layer (18) on the outer sides of the main joist curved beam (3), the main girder (2) and the arch structure (1) and tightly attaching the two;
step six, constructing a polyurea waterproof layer (19) along the outer side of the steel plate base layer (18);
seventh, constructing a foaming polyurethane layer (20) on the outer side of the polyurea waterproof layer (19);
step eight, integrally constructing a waterproof mortar layer (21);
step nine, integrally clamping the integrally manufactured end secondary joists (5) outside the main joist curved beams (3), and then anchoring the end secondary joists with the main girders (2) through end secondary joist connectors (8);
step ten, the dry-hanging integral corner connector units are clamped outside each end secondary keel unit in a one-to-one correspondence manner, and then are anchored with the end secondary keel units through corner connector (9);
step eleven, fixedly connecting corresponding end dry hanging kiln bricks (7) on each dry hanging integral corner brace unit until all end dry hanging kiln bricks are dry-hung;
step twelve, constructing an outside masonry structure: firstly, constructing masonry mortar (11) on the outer side of a waterproof mortar layer (21), and then sitting a masonry kiln brick (12) on the masonry mortar;
thirteen, constructing an inner side dry hanging structure: firstly, fixedly connecting the inner side secondary joist (13) with the inner side of the main girder (2), then sequentially connecting the dry hanging single corner code (14), and hanging a single inner side dry hanging kiln brick (15) on the dry hanging single corner code (14).
9. The method of constructing an arch building end node structure of claim 8, wherein:
and step five, base layer treatment before construction: checking and accepting the whole steel plate base layer, wherein the steel plate base layer needs to be kept flat, meanwhile, the drying is guaranteed, the steel plate base layer is compact and free of honeycomb pitting, greasy dirt and looseness, and the flatness is smaller than 3 mm guiding rule;
and step five, constructing a base layer base coat before construction: uniformly spraying an undercoat on the surface of a steel plate base layer by adopting a small single-component spraying machine, or adopting a roll coating and rolling brush, wherein the undercoat is a special epoxy resin-based primer for drying the base layer or a polyurethane-based primer for wetting the base layer, and the primer is required to be uniformly coated, and has no leakage coating and no accumulation; adding white pigment showing needle eye defect after filling repair putty into the bottom coat, and then repairing needle eyes;
and step five, during construction: the construction of polyurea waterproof layer adopts mechanical spraying construction and manual work to assist the construction, and during the construction of polyurea waterproof layer, the temperature of steel sheet basic unit guarantees to be 3 degrees centigrade, and the two-layer of polyurea waterproof layer spraying is two-layer, and two-layer construction clearance is more than 6 hours.
10. The method of constructing an arch building end node structure of claim 8, wherein: in the step ten, after the construction of each end part dry-hanging kiln brick (7) is finished, a plastering shaping tool (25) is arranged on one side of the next end part dry-hanging kiln brick to be arranged, a layer of dry-hardening cement mortar (10) is coated on the whole of the position outside the plastering shaping tool (25), and then the next end part dry-hanging kiln brick (7) is arranged.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013691A (en) * | 2016-05-25 | 2016-10-12 | 青岛海川建设集团有限公司 | GRC partition dry-hanging glassy brick structure and construction method thereof |
| CN107989315A (en) * | 2018-01-12 | 2018-05-04 | 中国建筑局（集团）有限公司 | The cladding system of kiln brick and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013691A (en) * | 2016-05-25 | 2016-10-12 | 青岛海川建设集团有限公司 | GRC partition dry-hanging glassy brick structure and construction method thereof |
| CN107989315A (en) * | 2018-01-12 | 2018-05-04 | 中国建筑局（集团）有限公司 | The cladding system of kiln brick and its construction method |
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