This standard specifies the structural type and connection method and technical requirements of each connection node of glass fishing boat side structure, deck and superstructure, appendage structure, frame cross structure, engine base structure, cabin structure, square keel structure, etc. This standard is applicable to the construction of glass fiber reinforced plastic fishing boats. SC/T 8065-2001 Glass fiber reinforced plastic fishing boat hull structure node SC/T8065-2001 standard download decompression password: www.bzxz.net

SC/T 8065—2001
In order to ensure the structural strength of FRP fishing boats, save raw materials and facilitate construction, determining the scientific and reasonable hull structure node type is the key to implement reliable construction. According to the types and use effects of the structural nodes of FRP hull molding at home and abroad, combined with the technical status of FRP hull molding in my country, this standard is formulated.
This standard includes: the structural type and connection method and technical requirements of each connection node such as cutting structure, deck and superstructure, appendage structure, frame cross structure, engine base structure, cabin structure, square keel structure. This standard is proposed by the Fisheries Bureau of the Ministry of Agriculture.
This standard is drafted by the Women's Department of the Chinese Academy of Fishery Sciences. The drafting units of this standard are: Qingdao Ocean University and Shandong Marine Fisheries Research Institute. The main drafters of this standard are: Song Xiefa, Qiu Tianxia, ​​Du Dejian, Gao Qinglian, Zhou Zhongliang, Yu Junling, Jiao Zigang. 177
1Scope
Aquatic Industry Standard of the People's Republic of China
Node of hull structure for fiberglass reinforced plastics fishing vessel
Node of hull structure for fiberglass reinforced plastics fishing vessel :SC/T8065-2001
This standard specifies the structural type and connection method and technical requirements of the connection nodes of the hull structure, deck and superstructure, appendage structure, frame cross-junction, engine base structure, cabin structure, keel structure, etc. of fiberglass reinforced plastics fishing vessel. This standard is applicable to the construction of fiberglass reinforced plastics fishing vessels. 2Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the new versions of the following standards. GB/T8237-1987 Liquid non-hook and ester resin for glass fiber reinforced plastic (FRP) SC/T8111-2000 Hand turning process specification for FRP fishing boat hull SC/T81122000 Inspection requirements for construction of FRP fishing boats 3 Definitions and symbols
This standard adopts the following definitions.
General length L (m)
The length measured from the front edge of the bow to the rear edge of the energy column along the design waterline; for fishing boats without energy columns, the length measured from the front edge of the bow to the center line of the energy rod (for fishing boats with energy rods located outside the stern cover, the outer edge of the hull at the longitudinal midplane of the stern of the chamber is measured), but it shall not be less than 96% of the design waterline length.
4 Structural node types and connection methods
4.1 Side structural node types and connection methods
4.1.1 Knocking test structural node types
See Figures 1 and 2 for the side structural node types.
Approved by the Ministry of Agriculture of the People's Republic of China on June 1, 2001 178
Implemented from October 1, 2001
Increased material
Vertical side structure general plan
4.1, 2 Connection between deck and side
SC/T 8065 -- 2001
Protective tree
Inner edge material
Strengthening machine
Outer flared side structure general plan
4.1.2.1 The deck is placed on the inner edge material, and the surrounding gaps are filled with glass wool and resin putty (see Figure 3) Outer plate
Burl putty
Edge drum material
Figure 3 Deck and side docking diagram
4, 1.2.2 The deck is connected to the inner edge material with bolts. 4.1.2.3 The upper edge of the deck is glued with marine glass cloth and pre-covered with bolts and fillers. Boat protection material
Flesh material
4.1.2.4 The lower edge of the deck is wrapped with glass cloth. The inner edge material is wrapped on the deck and the outer plate. 4.1.2.5 For fiberglass fishing vessels with a length of less than 15m, the deck can be connected to the outer plate with a folded edge (see Figure 4 and Figure 5). The width of the folded edge is 90180mm.
Figure Plate flesh tear into node diagrambzxZ.net
4.1.3 Connection of boat protection material and side
SC/T 8065 -- 2001
Tree rat offering
Inner edge cutting material
Figure: 5 Outer folded edge node diagram
4.1.3.1 When special plastic (micro-foamed type) boat protection material is used, its cross-section is rectangular (see Figure 6), and concave circular holes are made at the fixing bolts. Outer plate
Figure 6 Structure of special plastic sheathing material
4.1.3.2 Use bolts to connect and fix the sheathing material to the inner side material. 4.1.3.3 Fill the circumference and top of the nut with resin. 4.1.3.4 When wooden sheathing material (see Figure 7) is used, use bolts to connect and fix it to the inner side material. 180
Inner plate
SC/T8065--2001
Figure Structure of wooden sheathing material
4.1.3.5 Fill the outside of the bolt with resin putty, and then wrap the entire sheathing material on the outer plate with glass cloth. 4.1.4 Connection between beam and rib
4.1.4.1 The beam and the auxiliary frame are connected with a layer of paste, and a reinforcing material is set at the upper end of the rib (see Figure 8). 1=2h, b-h/2. Deck
Inner side material
Strengthening material
Figure 8 Connection type of beam and rib with reinforcement material 4.1.4.2 Beam and rib are connected with brackets, and the surrounding is covered with glass cloth (see Figure 9). a=2h. Deck
Inner side material
Figure 9 Connection type of beam and rib with brackets
4.2 Connection structure node type and connection method between deck and superstructure 4.2.1 Connection structure node type between deck and superstructure The connection structure node type between deck and superstructure is shown in Figure 10 and Figure 11. 181
Additional material
Deck house enclosure
Resin putty
SC/T8065— 2001
Resin peptide
Deck material
Figure 10 Connection of deck and wall structure with reinforcement material 4.2.2 Connection of deck and superstructure
Deck house wall
Connecting deck and wall structure with bolts
4.2.2.1 When connecting with reinforcement material (see Figure 10), the surrounding of the wall opening is first made of core material to form reinforcement material, and the wall is close to the reinforcement material structure. Glass cloth is pasted on the inside and outside of the wall and the deck.
4.2.2.2 When connecting with bolts (see Figure 11), the lower end of the wall is made into an inner fold, and it is connected to the deck with bolts, and the outside of the wall is covered with glass cloth.
4.3 Types and methods of keel connection nodes 4.3.1 Types of keel connection nodes
The types of keel connection nodes are shown in Figures 12 and 13. External plate of the whole
Figure 12 ＇ Open angle keel
4.3.2 Connection of external keels
Several external plates
Foam plastic
Figure 13 Contraction type
4.3.2.1 The integral keel is formed by pasting together with the hull; its molding structures are angle type and contraction type (see Figure 12 and Figure 13). Figure 12 is applicable to FRP fishing boats with L≤10m, and Figure 13 is applicable to FRP fishing boats with L≤20m. 4.3.2.2 The connection method of the combined trapezoidal core keel is shown in Figure 14. 182
External plating
SC/T 8065
Core material layer
Wood or foam plastic
Figure 14 Trapezoidal core keel
4.3.2.3 When using cap-shaped foam plastic core or wood, the core material shall be laid at the keel, and its layer thickness shall be slightly less than the thickness of the hull outer plating. 4.3.2.4 Before pasting the keel, the keel part shall be polished with sandpaper. When the hull is molded, a demoulding agent shall be applied, and a layer of wax cloth shall be applied. After demoulding, the wax cloth shall be torn off to make the surface rough.
4.3.2.5 The combined keel can adopt the structural type of the mixed core material of the board and foam plastic (see Figure 15). 4.3.3 Shaft support connection node type and method The shaft support is connected to the hull plate with bolts (see Figure 16), and the connection is filled with resin putty and then filled with glass paste. 4.4 Frame cross structure node type and connection method 4.4.1 Frame cross structure node type SC/T80652001 4.3.3 Shaft support connection node type and method The shaft support is connected to the hull plate with bolts (see Figure 16), and the connection is filled with resin putty and then filled with glass paste. 4.4.1 Frame cross structure node type SC/T80652001 ... Figure 17 Node diagram of plasma frame intersection structure
4.2 Nodes and connections of equal height frame variable structure (see Figure 17) A-axis
4.4.2.1 Use equal height and equal cross-section core materials (foam plastic with wood), fix the longitudinal and transverse frame materials on the shipboard respectively by the packing method, and paste the core materials on the shipboard continuously in the longitudinal and then transverse manner. 4.2.2 The top of the cross-section of the frame is reinforced with glass cloth. 4.4.3 Cross-structure nodes of unequal height skeletons (see Figure 18) Reinforcements
Figure 18 Cross-structure nodes of unequal height booms Figure 4.4.3.1 The same core materials of different sizes can be selected, and the upper end of the transverse core material and the lower end of the longitudinal core material at the intersection are opened, and the opening height is equal to half the height of the transverse core material.
4.4.3.2 The core materials with openings are placed crosswise, and the opening gaps are filled with resin putty. 4.4.3.3 Above the connection between the transverse and longitudinal materials, the transverse materials are laid across the longitudinal materials with a layer such as a strong, and the longitudinal and transverse materials are connected with a layer at the four corners of the intersection, and the longitudinal and transverse materials are fixed to the shipboard by the wrapping method. 4.5 Engine base structure node type and connection method 4.5.1 Engine base structure node type
The engine base structure node type is shown in Figure 19 and Figure 20. 184
Natural material
Figure 19 Wooden core material engine base structure diagram
4.5.2 Engine base connection
SC/T8065:-2001
Foam plastic
Glass
Figure 20 Prying engine base structure diagram
4.5.2.1 When wood is used as the core material, select the rectangular cross-section core material (see Figure 19) and wrap it on the bottom plate. 4.5.2.2 Steel plates are added on the engine base, and both sides are folded down (the folding edge width is 60~100mm), and fixed with bolts. Angle steel is welded on the steel plate, and bolt holes are opened, and then the bracket support angle steel is welded. 4.5.2.34
4.5.3 Mixed structure engine base type (see Figure 20) 4.5.3.1 Select rectangular cross-section foam core material, and add rectangular cross-section material on it. 4.5.3.2 Open holes for fixing bolts from the side of the rectangular core material, and open bolt holes in the middle of the core material. 4.5.3.3 Wrap the core material with the bottom plate, and then add the glass bracket to support the engine base. 4.5.3.4
Add a channel steel on the top of the engine base and connect it to the engine base with bolts. 4.5.3.5
Then weld the bracket to support the channel steel.
4.6 Bulkhead structure node type and connection method 4.6.1 Bulkhead structure connection type
The bulkhead structure connection type is shown in Figure 21, Figure 22, Figure 23, Figure 24, and Figure 25. Figure 21 Connection between single-board bulkhead and hull plate
Wooden core material
Glass alkali-decomposed board
Filtered spicy Korean
Ship flow board
SC/T80652001
Resin lining
Figure 22 Connection between composite bulkhead and hull plate
+ tr*+
Figure 23 Connection between bulkhead and stiffener
Connection of bone
4.6.2 Direct connection between bulkhead and hull plate
SC/T 8065— 2001
Figure 25 Bulkhead and rib connection
Shell plating
4.6.2.1 When the bulkhead is directly connected to the shell plating, a trapezoidal foam plastic should be placed at the connection position or 2~4 layers of glass cloth should be laid to strengthen it (see Figures 21 and 22). The space between the bulkhead and the foam plastic should be filled with resin putty. The bulkhead and the shell plating should be connected by damp glass cloth on both sides. 4.6.2.2 When the bulkhead is connected to the stiffener, the trapezoidal or rectangular core material should be pasted on the bulkhead, and the two corners should be filled with resin putty, and then glass cloth should be pasted (see Figure 23).
4.6.2.3 When the bulkhead is connected to the rib, the bulkhead and the rib edges should be aligned (see Figure 24); or the bulkhead and the rib should be butted, and the thickness of the bulkhead at the butt joint should be the same as the width of the rib and gradually transition (see Figure 25). Then, glass cloth is applied on both sides to connect the bulkhead with the ribs and shell plate. 4.6.3 Structural nodes where longitudinal girder passes through bulkhead 4.6.3.1 Node diagram of longitudinal girder passing through bulkhead
4.6.3.2 In order to maintain the continuity of longitudinal girder, holes are opened in bulkhead to allow longitudinal girder to pass through (see Figure 26). Bulkhead
Figure 26, connection of longitudinal girder through bulkhead
4.6.3.3 The size of the opening on the bulkhead is slightly larger than the size of the longitudinal girder. The seam is filled with glass wool and resin putty. 4.6.3.4 After the longitudinal girder passes through, the two sides are sealed with sealing plates. 4.6.3.5 The height of a single sealing plate is two-thirds of the height of the opening, and the width of the sealing plate is twice the width of the opening. 4.6.3.6 The sealing plates are wrapped around the bulkhead and the longitudinal girder with a layer. 4.6.4 Fish hold hatch joint structure
4.6.4.1 Fish hold hatch joint diagram
4.6.4.2 The core material of the fish hold hatch bevel is wrapped on the deck and the longitudinal and transverse frames (see Figure 27). 187
Mouth joint
4.6.4.3 The core material is foam plastic or cork. SC+T 80652001
Figure 27 Glue joint diagram of hatch
4.6.4.4 The part where the mouth bevel and the inner mouth cover are connected is covered with glue 4.6.4.5 The hatch structure can also use the connection method (Figure 28). Figure 28 Bolted hatch node diagram 4.7 Square keel structure type and connection pipe point type and connection method 4.7.1 Square keel structure type and connection node diagram See Figure 29 and Figure 30. Jin layer Sand, shape and appearance of the tree Square keel outer version Square keel structure node diagram 4.7.2 Square keel structure See Figure 29 4.7.3 Square keel molding method3 When the bulkhead is connected to the rib, the bulkhead and the rib edge are aligned (see Figure 24); or the bulkhead and the rib are butt-jointed, and the thickness of the bulkhead at the butt joint is the same as the width of the rib and gradually transitions (see Figure 25). Then glass cloth is pasted on both sides to connect the bulkhead to the rib and the shell plate. 4.6.3 Structural nodes where the longitudinal girder passes through the bulkhead 4.6.3.1 Node diagram of the longitudinal girder passing through the bulkhead
4.6.3.2 In order to maintain the continuity of the longitudinal girder, the bulkhead is opened to allow the longitudinal girder to pass through (see Figure 26). Bulkhead
Figure 26, connection of the longitudinal girder through the bulkhead
4.6.3.3 The size of the opening on the bulkhead is slightly larger than the size of the longitudinal girder. The seam is filled with glass wool and resin putty. 4.6.3.4 After the longitudinal girder passes through, the two sides are closed with sealing plates. 4.6.3.5 The height of a single sealing plate is two-thirds of the height of the opening, and the width of the sealing plate is twice the width of the opening. 4.6.3.6 Use the layer to wrap the cover plate on the bulkhead and longitudinal. 4.6.4 Fish hold hatch node structure
4.6.4.1 Fish hold hatch node diagram
4.6.4.2 Wrap the core material of the fish hold hatch bevel on the deck and the longitudinal and transverse frames (see Figure 27). 187
Mouth tooth
4.6.4.3 The core material is foam plastic or cork. SC+T 80652001
Figure 27 Glue joint hatch node diagram
4.6.4.4 Add glue to the joint part between the mouth bevel and the inner mouth cover 4.6.4.5 The hatch structure can also use the connection method (Figure 28). Figure 28 Bolt connection hatch node diagram 4.7 Square keel structure type and connection pipe point type and connection method 4.7.1 Square keel structure type and connection node diagram See Figure 29 and Figure 30. Jin layer Sand, shape and appearance of the tree Square keel outer version Square keel structure node diagram 4.7.2 Square keel structure See Figure 29 4.7.3 Square keel molding method3 When the bulkhead is connected to the rib, the bulkhead and the rib edge are aligned (see Figure 24); or the bulkhead and the rib are butt-jointed, and the thickness of the bulkhead at the butt joint is the same as the width of the rib and gradually transitions (see Figure 25). Then glass cloth is pasted on both sides to connect the bulkhead to the rib and the shell plate. 4.6.3 Structural nodes where the longitudinal girder passes through the bulkhead 4.6.3.1 Node diagram of the longitudinal girder passing through the bulkhead
4.6.3.2 In order to maintain the continuity of the longitudinal girder, the bulkhead is opened to allow the longitudinal girder to pass through (see Figure 26). Bulkhead
Figure 26, connection of the longitudinal girder through the bulkhead
4.6.3.3 The size of the opening on the bulkhead is slightly larger than the size of the longitudinal girder. The seam is filled with glass wool and resin putty. 4.6.3.4 After the longitudinal girder passes through, the two sides are closed with sealing plates. 4.6.3.5 The height of a single sealing plate is two-thirds of the height of the opening, and the width of the sealing plate is twice the width of the opening. 4.6.3.6 Use the layer to wrap the cover plate on the bulkhead and longitudinal. 4.6.4 Fish hold hatch node structure
4.6.4.1 Fish hold hatch node diagram
4.6.4.2 Wrap the core material of the fish hold hatch bevel on the deck and the longitudinal and transverse frames (see Figure 27). 187
Mouth tooth
4.6.4.3 The core material is foam plastic or cork. SC+T 80652001
Figure 27 Glue joint hatch node diagram
4.6.4.4 Add glue to the joint part between the mouth bevel and the inner mouth cover 4.6.4.5 The hatch structure can also use the connection method (Figure 28). Figure 28 Bolt connection hatch node diagram 4.7 Square keel structure type and connection pipe point type and connection method 4.7.1 Square keel structure type and connection node diagram See Figure 29 and Figure 30. Jin layer Sand, shape and appearance of the tree Square keel outer version Square keel structure node diagram 4.7.2 Square keel structure See Figure 29 4.7.3 Square keel molding method
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