GB918819A - Method of construction of prestressed concrete tanks or the like - Google Patents

Method of construction of prestressed concrete tanks or the like

Info

Publication number
GB918819A
GB918819A GB23190/61A GB2319061A GB918819A GB 918819 A GB918819 A GB 918819A GB 23190/61 A GB23190/61 A GB 23190/61A GB 2319061 A GB2319061 A GB 2319061A GB 918819 A GB918819 A GB 918819A
Authority
GB
United Kingdom
Prior art keywords
length
elongation
wall
uninterruptedly
continuously
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
Application number
GB23190/61A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Preload International Inc
Original Assignee
Preload International Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Preload International Inc filed Critical Preload International Inc
Publication of GB918819A publication Critical patent/GB918819A/en
Expired legal-status Critical Current

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
    • B28B23/12—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 to form prestressed circumferential reinforcements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G2021/127—Circular prestressing of, e.g. columns, tanks, domes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

918,819. Prestressing concrete tanks &c. PRELOAD INTERNATIONAL Inc. June 27, 1961 [Oct. 5, 1960], No. 23190/61. Class 20 (4). [Also in Group XXIX] A method of prestressing large substantially cylindrical walled concrete structures such as tanks comprising the steps of anchoring one end 24 of a flexible tension member 12, extending along the wall from said anchored end a first length 25, continuously and uninterruptedly elongating said first length whereby a predetermined stress is developed therein, maintaining the elongation of the first length and continuously and uninterruptedly elongating along the wall a second length 30 of the member 12, and repeating this process if required upon one additional length of the member 12 or on several additional such lengths taken in succession, any given length being continuously and uninterruptedly elongated along the wall whilst the elongation of the previous length is maintained, and anchoring the final length of the member 12 after the desired total elongation thereof, the said lengths together constituting at least one convolution about the tank. The elongation of each length of the tensioning member is carried out by means of a jack 26 temporarily fixed to the wall by means of channels 20 or 21, these jacks serving also to maintain the elongation of one length whilst the next length is being elongated by a second jack 32. Rods 28 may be placed in vertical grooves 18 in the wall to reduce friction on the tension member 12. The tension member may be stranded to provide a corrugated outer surface.
GB23190/61A 1960-10-05 1961-06-27 Method of construction of prestressed concrete tanks or the like Expired GB918819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6068260A 1960-10-05 1960-10-05

Publications (1)

Publication Number Publication Date
GB918819A true GB918819A (en) 1963-02-20

Family

ID=22031112

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23190/61A Expired GB918819A (en) 1960-10-05 1961-06-27 Method of construction of prestressed concrete tanks or the like

Country Status (3)

Country Link
ES (1) ES269617A1 (en)
GB (1) GB918819A (en)
MY (1) MY6300100A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2299299B1 (en) * 2005-07-28 2009-02-01 Ferroberica, S.L. CONSTRUCTION SYSTEM OF CONCRETE DRAWERS FOR COAT AND ATTRACTION WORKS INTENDED FOR PORTS AND SIMILAR.

Also Published As

Publication number Publication date
ES269617A1 (en) 1961-12-16
MY6300100A (en) 1963-12-31

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