GB/T 14357-1993 Positioning of ordinary rectangular windows for ships
Some standard content:
UDC, 629. 12. 001. 83
National Standard of the People's Republic of China
GB/T 14357..-93
Positioning for ship's ordinary rectangular windows
Issued on April 17, 1993
Implemented on December 1, 1993
Issued by the State Bureau of Technical Supervision
W.bzsoso.cOmNational Standard of the People's Republic of China
Positioning for ship's ordinary rectangular windows
Positioning for ship's ordinury rertangular windows This standard is equivalent to TS()5779---1937≤Shipbuilding--Rectangular windows--1 Subject content and scope of application
Positioning service
This standard specifies the positioning of ship's ordinary rectangular windows (hereinafter referred to as rectangular windows). 2 Terminology
2.1 Sill
Window opening edge.
2.2 Positioning
The exact position of the window on the ship
7.3 Waterttrs
GB/14357—93
A flashing gold cover installed on the outside or inside of a rectangular window to prevent the rectangular window glass from breaking and entering the cabin with seawater. 3 Positioning rules
The positioning of the rectangular window shall comply with international conventions, social standards and relevant regulations of the main accounting authority of the country of ship registration. 3.2 Positioning basis
3.2.1 The positioning of the rectangular window shall be related to the length of the ship and the height Y of the summer load line S (see Appendix B, Figure B1). ～Figure B4). If the load bearing is given as the distance from the load line to the balance, 3.2.2 The positioning of the short window is related to the installation position of the short window on the upper structure or deck (front wall, side wall and rear wall).
3.3 Limitation of positioning
3.3.1 The space below the cabin deck, the first upper structure or the first deck middle plate room within 1.2m of the side wall from the naval base should not be installed with rectangular windows
3.3.23.3.1 The position of the window is consistent with that in Figure B1 3.4 Window Benefits
3.4.1 Each rectangular window in the first deck space below the accessible deck with direct access shall be equipped with a permanent expansion window cover. 3.4.2 The rectangular part of the first deck of the first superstructure compartment with direct access to the enclosed first superstructure or the first deck below the navigation deck shall be protected by a permanent expansion window cover. 3.4.3 With the consent of the ship's national authority, a removable protective cover may be used instead of 3. Permanent window covers as mentioned in Articles 4.1 and 3.4.2.
Approved by the State Administration of Technical Supervision on April 17, 1993 and implemented on December 1, 1993
W.1 Strength limit
GB/T14357-.93
In addition to the restrictions on density in Article 3.3, the minimum allowable overlap of rectangular windows also depends on the simulated strength of the window, which is related to the external forces acting on the ship.
4.1 Calculation of external forces
The estimated maximum external force (design positive force) is calculated using the calculation method in Appendix A (Supplement). 4.2 Limit micro-advance
When the design tension at any part of the ship exceeds the maximum allowable pressure that each short-shaped window can withstand as listed in Table 1, rectangular dense,
The maximum allowable pressure of rectangular windows shall not be installed. Allowable pressure
Nominal size
300X435
355×50G
40×560
￥50×690
500×710
560XR00
900×630
1000X70
800×125||t t||355×500
460X560
450X630
500×710
560×800
900×630
100010
1100800
Glass thickness
Allowable vibration strength
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Appendix A
Calculation of design pressure
(Supplement)
When determining the ordinary rectangular installation position, the design pressure obtained according to the specification of this appendix or (A1) shall be met. When the protected openings defined in Article 18 of the Annex to the International Convention on Load Lines, 1966, are used as the reference for the location of rectangular windows, this formula may be used to calculate the calculated loads on exposed superstructures or deckhouses. A1 Calculation of design pressure
The design pressure P can be obtained by formula (AI). p = 1ha(hf --Y)c kPa
Dispersion coefficient (yuan A1.1)
— Ship length distribution coefficient (see A1.2) 1[ — Probability coefficient (see A1.3);
— Vertical distance from summer load line S to mean sill, (or vertical distance from seasonal load line to window sill), m: Y
— Width coefficient (see AT.4).
A1.1 Calculation of height coefficient a
The height coefficient a is calculated according to Table A1 Calculation.
Where is the position of the upper deck and the deckhouse?
Unprotected front
Second deck
Protected front of each deck
Side walls of each deck
Aft end of each deck after midship
Aft end of each deck before midship
Note: 1) The one located on the deck where the effective depth D is measured and calculated. Explanation of symbols in the formulas in Table A1:
+100-0.8 Hui||t t||1. and L.- are the length of the ship as defined in the 1966 International Convention on Load Lines, m. (T, the value does not need to be greater than 300m). (A1)
X-the distance between the bulkhead where the rectangular window is set and the vertical line AP, m. (If it is the side wall of the superstructure or deckhouse, the wall is divided into several parts of approximately equal length, the length of each part does not exceed 0.15L, and X should be the distance between the vertical line AP and the center of each part].
A1. 2 Calculation of hull length distribution coefficient b The length distribution coefficient b is calculated according to Table A2.
Wx/r.
GB/I 14357-- 93
In the formula of Table A2, C. is the hull square coefficient. Its value is calculated according to formula (A2), =
11 1. 5/ X/L--0. 45 1
In:, - hull force coefficient, the value range is 0.60~0.80, when the rear end wall is located in front of the midship, the minimum value does not need to be less than 3. 8t:
V--Type displacement volume at type draught d, m\L. Ship length, I:
-… Maximum type width, m;
—, type draught, m. For cargo ships, the type draught of the summer load line. For passenger ships, it refers to the deepest subdivision type draught. A1.3 Calculation of probability coefficient "
Probability coefficient, the calculation formula is according to Table A3, and its calculated value can be found according to Table A4. Table A3
150~-300
Note: In the formula of Table A3, e is the base of the natural logarithm. 1
Note: The intermediate value is calculated according to the linear cycle method, >300m -1, 03, A1. 4 Calculation of width coefficient c
The width coefficient c is calculated according to formula (A3),
W. Width of the printing plate room at the window installation position, m
GB/I1435793
- 0.3+ 0.7 g
B The actual ship breadth of the section at the window installation position on the open deck, I:5B should not be less than + 0.25.
Appendix B
Drawings for positioning of rectangular windows
(Supplement)
This appendix is based on the calculation method of design pressure and shows the positioning of rectangular windows in the form of a simple diagram, (A3)
Based on the installation position of the rectangular window on the ship, Figures R1 to R2 can be used to determine the type of rectangular window suitable for installation at that position. From the ", we can find the minimum height from the summer load line S to the window sill of the pin-shaped window. The curve given in the figure is drawn based on the maximum pressure that this type of pin-shaped window can withstand (60hPa for heavy-duty pin-shaped windows and 25kPa for light pin-shaped windows).
B1 Positioning diagram
In Figure B1~Figure B1, Y=0.The solid line of 5m is the limit line of the lowest sill position of rectangular windows. The curve below this line is indicated by a dotted line. The part indicated by the dotted line is not allowed to be used. The dotted line in Figure 1 and Figure 3 indicates the height of the lowest sill of the rectangular window installed on the front wall and the lowest sill of the rectangular window installed on the side wall at the same longitudinal position. The vertical coordinate value of the curve is called the additional height. BT.1 Heavy-duty rectangular windows are located in Figures R1 and R2. Figure B1 is applicable to the positioning of rectangular windows on the side walls and front walls mentioned in 3.2, and Figure B2 is applicable to the positioning of rectangular windows on the rear wall mentioned in 3.2. GB/T 14357--93
The lowest virtual height of rectangular windows installed on the side walls of buildings or deckhouses. Additional height of lower sill of standard window on front end Figure B1
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GBT1435793
The lowest window sill of rectangular window installed on the end wall of superstructure or deck, Figure B2
B1, 2 Lightweight rectangular window positioning curve diagram According to Figure B3 and Figure B1, Figure B3 is applicable to the position of short window on the front wall of Xieke mentioned in 3.2. Figure B4 is applicable to the positioning of rectangular window on the end wall mentioned in 3.2. Wbzsoso，comm
GB/T14357—93
Low windows on the side of the building
The minimum window sill of the rectangular window installed on the front end: heightening Figure B3
W.B2 Instructions for use
y(m)
GB/T 14357—93
The minimum density of short windows on the rear wall of a multi-story building or a middle-board room. Figure B1
B2.1 A scale drawing (such as a general layout or a side cabin capacity drawing with summer load lines) should be used. FE
B2.2 Draw the position coordinate line in the direction of [√] on the drawing. B2.3 Use Figure 31 or Figure B3 to obtain the coordinate value of the rectangular window of the type used. Use this value on the corresponding longitudinal position coordinate line, starting from the summer load line (or summer wood loading line), and mark the corresponding coordinate point. B2.4 Connect the above coordinate points into a smooth curve, which is the lowest sill position line of the rectangular window of this type installed on the side wall of the ship. See Figure B5. (This position line shall comply with the restrictions of 3.3.1 and 3.3.2). B2.5 From the dotted line in Figure B1 and Figure B3, find the lowest sill additional height of the rectangular window installed on the front end. Add this height to the corresponding height on the curve specified in B2.4, which is the lowest window position of this type of rectangular window when installed on the front end wall of the upper building or board.
W.bzsoso：comGB/T 1435793
B2.6 Figure B2 and Figure 134. Obtain the lowest sill position of heavy and light-duty shaped windows when installed on the ship end wall. Obtain the additional height of the sill on the front end of the shaped window from Article B2.2 to Article 132.4.
Figure 135
B2.7 Notes
H2.7.1 The ship K1 in the figure is calculated according to the definition of the International Convention on Load Lines in 1966. PA (Position Approximate) is the text symbol of the position line of the end of the stern measured by the length L; when the length L is the length between the two columns, the stern position line is the stern perpendicular AP. B2.7.2 When drawing Figure B5, attention should be paid to the restrictions specified in Articles 3.2 and 42. 12.7.3 The curves in Figures B1 to B4 are based on the most unfavorable square coefficient (CI,=0.6) for ships of all lengths. In fact, the value of (. varies between 0.6 and ~0.8. When, respectively, the values of, are 0.6 and .8, the difference between the Y of the I section is 3m, and the V section is also 1m. B2.7.4 The torch-shaped window installed on the front wall 1: does not consider the distance from the side and the height above the deck to reduce the design pressure.
B2.7.5 The calculated value of the height Y of the summer gravity line S in the high mountains is only about 0.5~1m when it is drawn up. Therefore, when drawing up Figures B1 and B3 When the time is divided, they are combined into a root line. Additional remarks:
This standard was proposed by China Shipbuilding Industry Corporation. This standard was drafted by Jiangnan Shipyard!
This standard was drafted by Hudong Xiao Shipyard, and the main person in charge of this standard was Hu Cixing.
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