Part

Table 13.8 (Continued)

Material

Compressive strength

(kp/cm2)

50 years)

Global warming potential GWP (kg COs-equ./ m2 50 years)

Environmental evaluations

Effects on resources

Effects of pollution

Environmental potential

Environmental profile

Materials

Energy Production and use As waste

Recycling

Local production

In situ concrete

150-700

7.5-35

15

400

65

2

2

2

2

H

2

Precast concrete elements

150-700

7.5-35

7

275

45

2

2

2

2

H

H

2

Aerated concrete blockwork

30

4-5

10

180

42

2

2

2

2

2

Light aggregate concrete blockwork

30

4-5

10

240

75

2

3

3

2

3

Lime sandstone

150-350

7,5-17,5

11

240

36

2

2

2

2

2

Granite, sandstone, gneiss

200-2000

100-320

6

525

5

2

2

2

1

H

H

1

Gabbro, syenite, limestone

200-5000

160-315

6

525

5

2

2

1

1

H

H

1

Earth, compressed

40

6

2

820

16

1

2

1

1

H

H

1

Well-fired bricks, massive

325

33

10

460

87

2

3

3

2

H

H

2

Well-fired bricks, perforated

325

33

10

410

78

2

3

3

2

H

H

2

Wood studwork, untreated

450-550

900-1040

15

10

5

1

1

1

1

H

H

1

Massive wood

450

900

7

90

44

1

2

1

1

H

H

13.57

Roof construction of laminated wood at Gardemoen Airport, Oslo. If an alternative with steel had been chosen the emission of greenhouse gases in manufacture would have been 5 times higher (Petersen et al. 2002). Architects: Aviaplan, 1998.

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