1、The Authoritative Resource on Safe WaterANSI/AWWA D115-06(Revision of ANSI/AWWA D115-95)AWWA StandardEffective date: Sept. 1, 2006.First edition approved by AWWA Board of Directors June 17, 1955.This edition approved Feb. 12, 2006.Approved by American National Standards Institute May 16, 2006.Tendon
2、-Prestressed Concrete Water TanksAdvocacyCommunicationsConferencesEducation and TrainingH17012 Science and TechnologySections6666 West Quincy AvenueDenver, CO 80235-3098T 800.926.7337www.awwa.orgCopyright American Water Works Association Provided by IHS under license with AWWA Not for ResaleNo repro
3、duction or networking permitted without license from IHS-,-,-iiAWWA StandardThis document is an American Water Works Association (AWWA) standard. It is not a specification. AWWA standardsdescribe minimum requirements and do not contain all of the engineering and administrative information normallyco
4、ntained in specifications. The AWWA standards usually contain options that must be evaluated by the user of thestandard. Until each optional feature is specified by the user, the product or service is not fully defined. AWWApublication of a standard does not constitute endorsement of any product or
5、product type, nor does AWWA test, certify,or approve any product. The use of AWWA standards is entirely voluntary. AWWA standards are intended to represent aconsensus of the water supply industry that the product described will provide satisfactory service. When AWWA revisesor withdraws this standar
6、d, an official notice of action will be placed on the first page of the classified advertisingsection of Journal AWWA. The action becomes effective on the first day of the month following the month of JournalAWWA publication of the official notice.American National StandardAn American National Stand
7、ard implies a consensus of those substantially concerned with its scope and provisions. AnAmerican National Standard is intended as a guide to aid the manufacturer, the consumer, and the general public. Theexistence of an American National Standard does not in any respect preclude anyone, whether th
8、at person hasapproved the standard or not, from manufacturing, marketing, purchasing, or using products, processes, or proceduresnot conforming to the standard. American National Standards are subject to periodic review, and users are cautionedto obtain the latest editions. Producers of goods made i
9、n conformity with an American National Standard areencouraged to state on their own responsibility in advertising and promotional materials or on tags or labels that thegoods are produced in conformity with particular American National Standards.CAUTION NOTICE: The American National Standards Instit
10、ute (ANSI) approval date on the front cover of this standardindicates completion of the ANSI approval process. This American National Standard may be revised or withdrawn atany time. ANSI procedures require that action be taken to reaffirm, revise, or withdraw this standard no later than fiveyears f
11、rom the date of publication. Purchasers of American National Standards may receive current information on allstandards by calling or writing the American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York,NY 10036; (212) 642-4900.Science and TechnologyAWWA unites the entire wa
12、ter community by developing and distributing authoritative scientific and technologicalknowledge. Through its members, AWWA develops industry standards for products and processes that advance publichealth and safety. AWWA also provides quality improvement programs for water and wastewater utilities.
13、All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronicor mechanical, including photocopy, recording, or any information or retrieval system, except in the form of briefexcerpts or quotations for review purposes, without the written p
14、ermission of the publisher. Copyright 2006 by American Water Works AssociationPrinted in USACopyright American Water Works Association Provided by IHS under license with AWWA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-iiiCommittee PersonnelThe AWWA Standards C
15、ommittee on Concrete Water Tanks, Tendon-Type Prestressed,which reviewed and approved this standard, had the following personnel at the time ofapproval:Lawrence Thomas, ChairGeneral Interest MembersR.T. Bates, Bates Engineering Inc., Lakewood, Colo. (AWWA)C.A. Close, Bonita, Calif. (AWWA)S.R. Close,
16、 Jorgensen theamount of earth cover over the tank, if any; the height of backfill against the tank wall,if any; and any other special loading conditions that are anticipated or special criteriaon which the tank design is to be based. If, for example, the tank is located in a high-intensity earthquak
17、e area and must continue to serve without damage, the purchasermay specify an importance factor for earthquake design as described in Sec. 4.3.1 orprovide design values for the horizontal acceleration and for the spectrum velocity.6. A groundwater drainage and collection system plan.7. Delivery of e
18、lectric power and water service to the site.8. Details of other federal, state, local, and provincial requirements (Sec. 2.1).III.A.1. Information Required for Use of This Standard. The items which fol-low are either required information or alternative options in the standard that shouldCopyright Am
19、erican Water Works Association Provided by IHS under license with AWWA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-xiibe considered and covered in the purchase documents, unless the purchaser intendsthat the choice for a particular option be left to the tank de
20、signers discretion.1. The standard used, that is ANSI/AWWA D115, Tendon-Prestressed Con-crete Water Tanks.2. The required tank capacity and either the plan dimensions or operatingwater depth.3. The size, material, location, details, cover depths, and limits of responsibilityof pipe connections.4. Th
21、e required elevation of the overflow weir and freeboard requirements.5. The size, material, arrangement and location of the overflow pipe.6. Finish grade relative to the tank foundation. (Are the tank walls to be com-pletely exposed, partially buried, or completely buried?)7. Aboveground exterior co
22、ncrete coatings or additional shotcrete cover, ifrequired (Sec. 2.12.1 and Sec. 5.4.3).8. Below-grade concrete coatings, if required (Sec. 2.12.2).9. Design loading conditions (Sec. 3.3.1, Sec. 3.3.2, Sec. 3.3.3, and Sec. 3.3.4).10. Type of roof structure required: flat with column supports or domed
23、 (Sec.3.8, Sec. 3.9, and Sec. 3.10).11. Freeze protection requirements (Sec. 3.12).12. Tank Appurtenances required:a. Whether a removable silt stop is required.b. Arrangement of inletoutlet piping, including cover depths (Sec. 3.13.1).c. Whether baffles are required (Sec. 3.13.1).d. Encasement of pi
24、ping beneath the floor slab (Sec. 3.13.1.3).e. Design rates of inflow and outflow for design of overflow and ventsystems (Sec. 3.13.2.1 and 3.13.3.2).f. Tank drain line (Sec. 3.13.2.3).g. Water level gauge or pressure sensor (Sec. 3.13.2.4).h. Required roof openings and hatches (Sec. 3.13.3).i. Roof
25、 ventilator requirements (Sec. 3.13.3.2).j. Access ladder and stair requirements (Sec. 3.13.4).13. Details of other federal, state, local, and provincial requirements (Sec. 2.1).14. Seismic Importance Factor (Table 1) (Sec. 4.1).15. Seismic Soil Profile Coefficient (Table 3) from geotechnical founda
26、tion sur-vey provided by the purchaser (Sec. 4.1).Copyright American Water Works Association Provided by IHS under license with AWWA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-xiii16. Seismic Zone Classification (Table 4 and Uniform Building Code) (Sec. 4.1).1
27、7. Type of shotcrete finish (Sec. 5.4.5.9).18. Watertightness criteria (Sec. 6.1.4).IV. Modification of Standard. Any modification of the provisions, defini-tions, or terminology in this standard must be provided by the purchaser.V. Major Revisions. The second edition of this standard incorporates t
28、hefollowing major revisions:1. The Standard ANSI/AWWA D115 title is changed from “Circular PrestressedConcrete Water Tanks With Circumferential Tendons” to “Tendon-Prestressed Con-crete Water Tanks.”2. The scope of the standard is expanded to include rectangular and other non-circular shapes as may
29、be applicable (oblong, rectangular with rounded corners, etc.)and to allow the use of unbonded tendons as provided for in this standard.3. Section 1 references have been updated.4. Section 2 material standards are updated for cement grout, aggregates,admixtures, reinforcement, sheathing, bearing pad
30、s, and shrinkage compensatinggrout.5. Section 3 design standards are updated for wall footings, floors, walls, verti-cal reinforcement, construction joints, and concrete and shotcrete cover.6. Section 4 seismic design calculations are removed from the standard andreplaced with references to appropri
31、ate ACI on Standards.7. Section 5 construction procedures are updated for tendon ducts, grouting,and shotcreting.VI. Comments. If you have any comments or questions about this standard,please call the AWWA Volunteer com-monly seven-wire strands, bars, or groups of strands.h. Sheathing: Extruded poly
32、ethylene or polypropylene enclosures in whichgreased, post-tensioning tendons are encased and waterproofed.i. Unbonded tendon: A tendon encased in a corrosion-inhibiting material(grease) and a sheathing that is not bonded continuously to the concrete section butanchored at each end after prestressin
33、g. Tendons may be unbonded to the extentallowed by ACI 350.15. Waterstop: An impervious barrier installed to prevent passage of waterthrough a construction or expansion joint between adjacent elements of concrete orshotcrete construction.Sec. 1.3 ReferencesReferences identified refer to the latest r
34、evision available. The following is a listof references used in this AWWA standard:ACI 301Specifications for Structural Concrete.ACI 302.1RGuide for Concrete Floor and Slab Construction.ACI 304RGuide for Measuring, Mixing, Transporting, and Placing Concrete.ACI 305RHot Weather Concreting.ACI 306RCol
35、d Weather Concreting.ACI 308Standard Practice for Curing Concrete.Copyright American Water Works Association Provided by IHS under license with AWWA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-TENDON-PRESTRESSED CONCRETE WATER TANKS 5ACI 318Building Code Requir
36、ements for Structural Concrete and Com-mentary.ACI 347Guide to Formwork for Concrete.ACI 350Code Requirements for Environmental Engineering ConcreteStructures and Commentary.ACI 350.3Seismic Design of Liquid-Containing Concrete Structures.ACI 372WDesign and Construction of Circular Wire and Strand W
37、rappedPrestressed Concrete Structures and Commentary.ACI 373Design and Construction of Circular Prestressed Concrete Structureswith Circumferential Tendons.ACI 423.6Specification for Unbonded Single-Strand Tendons and Com-mentary.ACI 503.2Standard Specification for Bonding Plastic Concrete to Harden
38、edConcrete with a Multi-Component Epoxy Adhesive.ACI 504RGuide to Joint Sealants in Concrete Structures.ACI 506RGuide to Shotcrete.ACI 506.2Specification for Shotcrete.ACI SP-2ACI Manual of Concrete Inspection.ANSI*/AWWA C652Disinfection of Water-Storage Facilities.ASCE7Minimum Design Load(s) for Bu
39、ildings and Other Structures.ASTMA416Standard Specification for Steel Strand Uncoated Seven-Wirefor Prestressed Concrete.ASTM A475Standard Specification for Zinc-Coated Steel Wire Strand.ASTM A586Standard Specification for Zinc-Coated Parallel and Helical SteelWire Structural Strand.ASTM A603Standar
40、d Specification for Zinc-Coated Steel Structural WireRope.ASTM A615Standard Specification for Deformed and Plain Carbon-SteelBars for Concrete Reinforcement.*American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036.American Society of Civil Engineers, 1801 Alexand
41、er Bell Drive, Reston, VA 20191.ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428.Copyright American Water Works Association Provided by IHS under license with AWWA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-6AWWA D115-06ASTM A722Standard
42、Specifications for Uncoated High-Strength Steel Barfor Prestressed Concrete.ASTM A775Standard Specification for Epoxy-Coated Steel Bars Reinforcing.ASTM A882Standard Specification for Filled Epoxy-Coated Seven-WirePrestressing Steel Strand.ASTM C260Standard Specification for Air-Entraining Admixture
43、s forConcrete.ASTM C494Standard Specification for Chemical Admixtures for Concrete.ASTM C881Standard Specification for Epoxy-Resin-Base Bonding Systemsfor Concrete.ASTM C882Standard Test Method for Bond Strength of Epoxy-ResinSystems Used with Concrete By Slant Shear.ASTM C900Standard Test Method fo
44、r Pullout Strength of HardenedConcrete.ASTM C920Standard Specification for Elastomeric Joint Sealants.ASTM C928Standard Specification for Packaged, Dry, Rapid-HardeningCementitious Materials for Concrete Repairs.ASTM C939Standard Test Method for Flow of Grout for Preplaced-Aggregate Concrete (Flow C
45、one Method).ASTM D395Standard Test Methods for Rubber PropertyCompression Set.ASTM D695Standard Test Method for Compressive Properties of RigidPlastics.ASTM D1056Standard Specification for Flexible Cellular Materials-Spongeor Expanded Rubber.ASTM D1752Standard Specification for Preformed Sponge Rubb
46、er andCork Expansion Joint Fillers for Concrete Paving and Structural Construction.ASTM D2000Standard Classification System for Rubber Products inAutomotive Applications.ASTM D2240Standard Test Method for Rubber PropertyDurometerHardness.ASTM D4258Standard Practice for Surface Cleaning Concrete for
47、Coating.ASTM D4259Standard Practice for Abrading Concrete.Fed. Spec.*SS-S-210ASealing Compound for Expansion Joints.*Naval Publications and Forms Center, 5801 Tabor Avenue, Philadelphia, PA 19120.Copyright American Water Works Association Provided by IHS under license with AWWA Not for ResaleNo repr
48、oduction or networking permitted without license from IHS-,-,-TENDON-PRESTRESSED CONCRETE WATER TANKS 7PCI*Manual 116Manual for Quality Control for Plants and Production ofStructural Precoat.PTIField Procedures Manual for Unbonded Single Strand Tendons.PTI Manual for Certification of Plants Producin
49、g Unbonded Single StrandTe n d o n s .PTI Post-Tensioned Commercial and Industrial Floors.PTI Post-Tensioning Manual.PTI Specification for Grouting of Post-Tensioned Structures.PTI Specification for Unbonded Single Strand Tendons.US Army Corps of Engineers Spec. CRD-C572Specification for PVCWaterstops.ICBOUniform Building Code.SECTION
