GB854448A - Improvements in or relating to stressing beds for the manufacture of pre-stressed concrete members - Google Patents
Improvements in or relating to stressing beds for the manufacture of pre-stressed concrete membersInfo
- Publication number
- GB854448A GB854448A GB3059656A GB3059656A GB854448A GB 854448 A GB854448 A GB 854448A GB 3059656 A GB3059656 A GB 3059656A GB 3059656 A GB3059656 A GB 3059656A GB 854448 A GB854448 A GB 854448A
- Authority
- GB
- United Kingdom
- Prior art keywords
- concrete
- wires
- stressing
- steel
- bed
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/06—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed for the production of elongated articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
854,448. Moulding prestressed-reinforced concrete beams &c. CONCRETE Ltd., and WOOD, K. M. Jan. 8, 1958 [Oct. 8, 1956], No. 30596/56. Class 87(2). [Also in Group X] A stressing bed for tensioning reinforcements in concrete members such as long beams, is made of transportable sections 12, Figs. 1, 2, formed with troughs 13 having sloping sides 14. Each section has a steel base plate 15, reinforcing wires 16, electrical heating wires 17 to cure the concrete and steel end plates 18 of the same shape as the section welded to embedded hooked members 20. The sections are secured together by bolts passing through angle pieces 21 welded to the plates 18, grouting being forced between the sections. In an end section, Fig. 4, the trough 13 terminates before an end wall which has a rectangular opening therein and also has a steel plate attached thereto against which rams are applied. A mould is formed at its base by the plate 15 and at its sides by shuttering strutted from the sloping sides 14. Central steel or concrete plates are inserted at intervals along the length of the bed to form membranes which position the stressing wires of the concrete member to be cast and prevent the production of buckling forces on the bed. The wires may or may not follow straight lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3059656A GB854448A (en) | 1956-10-08 | 1956-10-08 | Improvements in or relating to stressing beds for the manufacture of pre-stressed concrete members |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3059656A GB854448A (en) | 1956-10-08 | 1956-10-08 | Improvements in or relating to stressing beds for the manufacture of pre-stressed concrete members |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB854448A true GB854448A (en) | 1960-11-16 |
Family
ID=10310117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3059656A Expired GB854448A (en) | 1956-10-08 | 1956-10-08 | Improvements in or relating to stressing beds for the manufacture of pre-stressed concrete members |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB854448A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3233027A (en) * | 1961-12-20 | 1966-02-01 | Wennstrom Elof | Method of making prestressed concrete beams |
| CN102155097A (en) * | 2011-01-28 | 2011-08-17 | 中国三冶集团有限公司第二建筑工程公司 | Locating device for installing large embedded member of concrete wall and installing method thereof |
-
1956
- 1956-10-08 GB GB3059656A patent/GB854448A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3233027A (en) * | 1961-12-20 | 1966-02-01 | Wennstrom Elof | Method of making prestressed concrete beams |
| CN102155097A (en) * | 2011-01-28 | 2011-08-17 | 中国三冶集团有限公司第二建筑工程公司 | Locating device for installing large embedded member of concrete wall and installing method thereof |
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