Ch. 34] 



1 



and Their Properties 



translated by Kurt Lowe] 



PROPERTIES OF ROCK TYPES 



639 



Loading 

 Capac- 

 ity 2 



Suitability for: 



Con- 

 struction 

 site 2 



Com- 

 pacted 

 sub- 



Pave- 

 ment 2 



Road 

 metal s 



Crushed 

 rock 2 



Concrete 



Fill 2 



Remarks 



II-III 



I-II 



I-II 



II-III 



II-III 



III 



III-IV 



III-IV 



IV 



II-IV 



I-II 



II-III 



I-III 



II-III 



I-III 



I-II 



I-II 



II-III 



II-III 



II-III 



I-II 



II-V 



Con- 

 glomer- 

 ate 

 III-IV; 

 breccia 

 mostly V 



Conglomerate 



III-IV | IV-V 



Breccia 



II-III (A) I-III (A) 



III-IV 

 II-III (h) 



Ill-IV(i) 



I-II 



III-V 



III 



III 



II-V(m) 



II-III, 

 loamy 

 dolo- 

 mitic 

 lime- 

 stone 



If mixed 

 with suf- 

 ficiently 

 fine- 

 grained 

 material: 

 II-III 



(g) Sometimes danger of 

 sliding when dipping 



(g) Same as sandstone 



Qi) Loosely cemented 

 breccia, easily loosed; 

 after screening, suit- 

 able for road metal, 

 crushed rock, con- 

 crete aggregate 



(g) Sometimes danger of 

 sliding when dipping 



(i) Fragments should be 

 placed on edge 



(k) Sometimes danger of 

 sliding when dipping 

 and after rainfall 



(/) When dipping, IV; 

 sometimes danger of 

 sliding 

 (m) Dolomitic limestone 

 not suitable for rail- 

 road construction 



