GB375953A - Improvements in or relating to the manufacture of materials for road making and likepurposes - Google Patents
Improvements in or relating to the manufacture of materials for road making and likepurposesInfo
- Publication number
- GB375953A GB375953A GB1514931A GB1514931A GB375953A GB 375953 A GB375953 A GB 375953A GB 1514931 A GB1514931 A GB 1514931A GB 1514931 A GB1514931 A GB 1514931A GB 375953 A GB375953 A GB 375953A
- Authority
- GB
- United Kingdom
- Prior art keywords
- asphalt
- per cent
- bitumen
- fines
- aggregate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A road making material is made by a process comprising the known step of coating a fluxed aggregate with a relatively soft bitumen, with or without the addition of fines, and subsequently adding pulverized asphalt composed of hard bitumen, and finely divided mineral matter. The asphalt contains preferably calcareous mineral, as an example Boeton asphalt containing 40 per cent relatively hard bitumen (penetration 15-20) and 60 per cent calcareous material, is used. The use of a hard asphalt permits a larger amount of fines (up to 20 per cent) to be used than in the prior process. The amount of asphalt added is 1-5 per cent and varies with the amount and hardness of the bitumen used to coat the fluxed aggregate. In an example a clean stone graded to give a close aggregate is coated with a volatile fluxing oil and then with from 5-10 per cent soft bitumen (penetration not less than 75 or more than 350) at 250-300 DEG F. 10-15 per cent of fines and 1-5 per cent of Boeton asphalt is added, the asphalt being pulverized so that it will pass a sieve having 80 meshes to the linear inch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1514931A GB375953A (en) | 1931-05-22 | 1931-05-22 | Improvements in or relating to the manufacture of materials for road making and likepurposes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1514931A GB375953A (en) | 1931-05-22 | 1931-05-22 | Improvements in or relating to the manufacture of materials for road making and likepurposes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB375953A true GB375953A (en) | 1932-07-07 |
Family
ID=10053900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1514931A Expired GB375953A (en) | 1931-05-22 | 1931-05-22 | Improvements in or relating to the manufacture of materials for road making and likepurposes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB375953A (en) |
-
1931
- 1931-05-22 GB GB1514931A patent/GB375953A/en not_active Expired
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