Installation examples of honeycomb cover
Honeycomb cover is entirely made of FRP including core material so that it is highly corrosion/water-resistant as well as dimensional stability.
Honeycomb cover01
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Honeycomb cover02
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| Honeycomb Cover Data Table (Reference Values) |
Adaptive aperture span
3.5kN/m2 and
1.0kN/piece |
Panel external
dimensions(mm) |
Panel reference
weight(kg/m2) |
Size of lid frame
(mm) |
Reference weight
of lid frame
(kg/m) |
| (L)x(B) |
(H) |
External
dimensions |
|
Section
dimensions |
| (a)x(b) |
(T) |
(W)x(H) |
| ~800 |
Aperture size+66 |
30 |
About12.5 |
Aperture size+80 |
3 |
40×40 |
About2.2 |
| ~1,000 |
Aperture size+84 |
35 |
About13.3 |
Aperture size+100 |
4 |
45×50 |
About3.3 |
| 1,001~1,300 |
Aperture size+114 |
50 |
About14.0 |
Aperture size+130 |
4 |
60×65 |
About4.3 |
| 1,301~1,800 |
Aperture size+132 |
75 |
About15.5 |
Aperture size+150 |
5 |
85×75 |
About6.3 |
| *1,801~2,300 |
Aperture size+132 |
75(50) |
About20.5 |
Aperture size+150 |
85×75
(60×75) |
About6.3
(About5.6) |
| *2,301~2,900 |
About28.5 |
- The”*”mark denotes a reinforced model where a strength calculation sheet is used to assure sufficient safety rates.
- Dimensions in brackets, “( )”, are those where H50 is used.
- Design load is the greater of either the value 3.53kN/m2 or the value of the central point 1.0kN/sheet.
- Amount of deflection is less than 1/200 of support span, given the conditions above.
Sandwich covers in Use
Our sandwich cover uses resin foam as a core material, providing excellent corrosion and water-resistance, as well as dimensional stability.
Sandwich covers02
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Sandwich covers02
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| Sandwich Cover Data Table (Reference Values) |
Adaptive aperture span
3.5kN/m2and
1.0kN/piece |
Panel external dimensions(mm) |
Panel reference weight
(kg/m2) |
Size of lid frame(mm) |
Reference weight
of lid frame
(kg/m) |
| (L)x(B) |
(H) |
Section dimensions |
| (T) |
(W)x(H) |
| ~800 |
Aperture size+66 |
30 |
11~23 |
3 |
40×40 |
About2.2 |
| 801~1,300 |
Aperture size+114 |
50 |
13~29 |
4 |
60×65 |
About4.3 |
| 1,301~1,600 |
Aperture size+132 |
75 |
16~35 |
5 |
85×75 |
About6.3 |
| *over 1,601 |
Aperture size+132 |
75(Reinforcement) |
over 40 |
5 |
85×75 |
About6.3 |
- The “*“mark denotes a reinforced model where a strength calculation sheet is used to assure sufficient safety rates.
- Design load is the greater of either the value 3.53kN/m2 or the central point 1.0kN/piece.
- Amount of deflection is less than 1/200 of support span, given the conditions above.
Flat Reinforced Cover in Use
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Our flat reinforced covers incorporate reinforced steel frames that provide high rigidity and also high flexibility in its design. Covers of various sizes and properties can be made to meet your requirements.
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| Flat Reinforced Cover Data Table (Reference Values) |
Adaptive aperture span
3.5kN/m2and 1.0kN/piece |
Panel external dimensions(mm) |
Panel reference weight(kg/m2) |
Size of lid frame(mm) |
Section dimensions of flat reinforced cover |
| (L)x(B) |
(H) |
Section dimensions |
| (T) |
(W)x(H) |
| ~800 |
Aperture size+112 |
45 |
About 26.9 |
4 |
55×65 |
38x38x1.6 |
| 881~1,260 |
Aperture size+136 |
57 |
About28.9 |
5 |
68×77 |
50x50x1.6 |
| 1,261~1,660 |
Aperture size+136 |
57 |
About31.4 |
5 |
68×77 |
50x50x2.3 |
| 1,661~1,900 |
Aperture size+126 |
82 |
About34.9 |
6 |
94×73 |
75x45x2.3 |
| 1,901~2,300 |
Aperture size+126 |
82 |
About36.0 |
6 |
94×73 |
75x45x3.2 |
| 2,301~2,800 |
Aperture size+126 |
82 |
About46.0 |
6 |
94×73 |
75x45x3.2 |
- Sufficient safety ratio can be assured based on strength calculation sheets when SUS is used as a reinforcement material.
FRP Grating Cover in Use
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FRP grating covers are light and corrosion-resistant, properties that steel gratings do not have. Our product can also be manufactured in various sizes, as required.
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| Size Table (by Type) |
| Type |
Size(mm) |
Standard weight kg/m2 |
| L |
W |
P |
Q |
h |
t1 |
t2 |
| GS4040 |
3007 |
1007 |
40 |
40 |
40 |
7 |
5 |
18.5 |
| GS8040 |
3007 |
1007 |
83 |
83 |
40 |
7 |
5 |
9.4 |
| GS2525 |
3007 |
1007 |
25 |
100 |
25 |
6,5 |
5 |
11.5 |
| GS4025 |
3007 |
1007 |
40 |
40 |
25 |
(6) |
(5) |
11.7 |
*Each type comes in standard and corrosion-resistant varieties.
| Type Selection Table by Design Load |
| Uniformly-distributed load kN/m2 |
Acceptable deflection |
Acceptable support span（mm） |
| GS4040 |
GS8040 |
GS2525 |
GS4025 |
| 1.0 |
span/200 |
1.5 |
1.2 |
1.1 |
0.9 |
| 1.8 |
1.2 |
1.0 |
0.9 |
0.7 |
| 3.5 |
1.0 |
0.8 |
0.7 |
0,.6 |
AGM Board Cover in Use
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AGM boardTM cover is lightweight and characterized by high rigidity.
Compared with reinforced-concrete panels, it is 2 to 4 times lighter, and the amount of deflection is suppressed to 1/5 or less as compared with the checkered steel plate of the almost same weight.
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| AGM board size chart |
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Type Selection Table by Design Load (Reference Values) |
| Board thickness(mm) |
Board width(mm) |
Board length(mm) |
Weight(kg) |
Uniformly-distributed loadkN/m2 |
Acceptable deflection |
Acceptable support span(m) |
| t=14 |
t=19 |
t=25 |
| 14 |
1015 |
2210 |
66 |
1.0 |
span/200 |
1.0 |
1.4 |
1.9 |
| 19 |
89 |
1.8 |
0.8 |
1.1 |
1.5 |
| 25 |
118 |
3.5 |
0.6 |
0.9 |
1.2 |
*Checked pattern is applied on the surface to prevent slip.
*Lock fittings (rotary/fixed) can be mounted.
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