Table 2 Results of the field research—construction details and wood moisture content measurements

From: Typology, current state and non-destructive testing of timber roof trusses of historic churches in the West Vistula Delta, Poland

No. #

1

2

3

4

5

6

Location

Miłobądz

Pruszcz Gdański I

Kiezmark

Pruszcz Gdański II

Koźliny

Trutnowy

Wing width (m)

15

10

12

12

8

9

Wing height (m)

12

10.5

7.5

8.5

6

6.5

Rafter (cm)

20 × 31

20 × 24

20 × 35

15 × 16.5

19 × 23

18 × 18.5

Bottom collar beam (cm)

16 × 16

15 × 22

14 × 22

11 × 18

16 × 22

16 × 17

Upper collar beam (cm)

16 × 16

15 × 22

14 × 22

[–]

[–]

16 × 17

Post (cm)

16 × 17

21 × 22

21.5 × 24.5

15 × 19

[–]

18 × 21

Strut (cm)

24 × 36

18 × 20

14 × 22

15.5 × 18

16.5 × 19

16 × 17

Tie beam (cm)

Under floor

27 × 28

25.5 × 30

[–]

Under floor

25 × 28

Average span of girder (m)

3.5

0.9

0.9

0.5

1.3

0.95

Number of trusses (-)

6

12

16

18

15

15

Angle (°)

58

63

51

54

55

55

v̅ (m3/m2)

0.096

0.393

0.247

0.148

0.106

0.246

Wood moisture content (%)

12.65

8.06

14.3

13.48

14.73

17.5