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File: Reinforced Concrete Water Tank Design Pdf 83644 | 33362517
view metadata citation and similar papers at core ac ukbrought to you by core provided by k state research exchange analysis and design of an elevated reinforced concrete water tank ...

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                                                      provided by K-State Research Exchange
                 ANALYSIS AND DESIGN OF AN ELEVATED REINFORCED CONCRETE
                              WATER TANK OF THE INTZE TYPE
                                           by
                                 BALBIR SINGH SANDHU
                         B. Sc, the University of Glasgow, 1957
                                   A MASTER'S REPORT
                       submitted in partial fulfillment of the
                             requirements for the degree
                                  MASTER OF SCIENCE
                           Department of Civil Engineering
                               KANSAS STATE UNIVERSITY
                                  Manhattan, Kansas
                                         1966
                                                               Approved by:
                                                            /l^ajor Professor
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              5 ^/ 7                               TABLE OF CONTENTS
              INTRODUCTION                                                                                            ^
              PURPOSE                                                                               •                 2
              FUNDAMENTAL FORMUUS                                                                                     3
              NUMERICAL DESIGN EXAMPLE                                                                               ^^
              DISCUSSION AND CONCLUSIONS                            •*                                   •          31
              SYMBOLS AND ABBREVIAHONS                                                                       *••     35
              ACKNOl'.'LEDGEHIKTS                                                                                    38
              BIBLiOGRAPHI                                                ~.                             ••••••     39
                                         INTRODUCTION
                The simplest type of reinforced concrete elevated tank is the circular
           tank having a flat roof and floor of beam and slab design.   This type of con-
           struction is not always the most economical.  For tanks with capacity of the
           order of 100,000 gallons or over, the choice of a dowed roof and floor is
          most econranical even after consideidng the greater cost of curved forms.
                The Intze tank, named after the inventor 0. Intze, is a modification of
          the domed bottom and roof type tank.   This type of tank was originally de-
          signed to obtain balanced inward and outward horizontal thrusts on the ring
          beam at the tops of the columns supporting the tank.   Thus, when the tank is
          full, there is no hoop stress in the ring beam.   The four principal parts of
          an Intze tank are the domed roof, the cylinder, the coned portion and the
          domed bottcm.  A rib encircling the edge of the roof dome is provided to take
          the horizontal thrust.   The ring beam provided at the junction of domed bot-
          tom and conical portion transmits the load to the columns.
                                           PURPOSE
               The purpose of this report is to develop and use the formulas for mem-
          brane stresses in shells of the fozm of a surface of revolution and loaded
          symmetrically with respect to the axis.
               These formulas are used to analyse the stresses in the roof and bottom
          domes of the tank, the cylindrical section and the conical section.   In the
          analysis of the cylindrical and conical sections, the same manbrane formula
          is used with the modification that the radius of curvature of the shell of
          the surface of revolution becomes <^ in one direction.  A fonmila for eco-
          nomical tank dimensions is derived.
               The procedvire for designing a 200,000 geOJ-on capacity water tank is pre-
          sented showing the use of the various formulas and some additional design
          considerations including shear at the edges of the domes and shear and bend-
          ing in the conical section.
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...View metadata citation and similar papers at core ac ukbrought to you by provided k state research exchange analysis design of an elevated reinforced concrete water tank the intze type balbir singh sandhu b sc university glasgow a master s report submitted in partial fulfillment requirements for degree science department civil engineering kansas manhattan approved l ajor professor az u r zc ii oc table contents introduction purpose fundamental formuus numerical example discussion conclusions symbols abbreviahons acknol ledgehikts bibliographi simplest is circular having flat roof floor beam slab this con struction not always most economical tanks with capacity order gallons or over choice dowed econranical even after consideidng greater cost curved forms named inventor modification domed bottom was originally de signed obtain balanced inward outward horizontal thrusts on ring tops columns supporting thus when full there no hoop stress four principal parts are cylinder coned portion bot...

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