ImageVerifierCode 换一换
格式:PDF , 页数:3 ,大小:74.52KB ,
资源ID:465955      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
注意:如需开发票,请勿充值!
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-465955.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ASTM C1877-2018 Standard Specification for Adhered Concrete Masonry Units.pdf)为本站会员(proposalcash356)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASTM C1877-2018 Standard Specification for Adhered Concrete Masonry Units.pdf

1、Designation: C1877 18Standard Specification forAdhered Concrete Masonry Units1This standard is issued under the fixed designation C1877; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parenth

2、eses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers solid, dry-cast, concrete ma-sonry units intended for use as an interior and exterior adheredveneer and are made from portland

3、 cement, water, and suitablemineral aggregates with or without the inclusion of othermaterials.1.2 The text of this specification references notes andfootnotes which provide explanatory material. These notes andfootnotes (excluding those in tables and figures) shall not beconsidered as requirements

4、of the standard.1.3 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.NOTE 1Adhered concrete masonry units covered by this specificationare

5、 made from lightweight or normal weight aggregates, or both.NOTE 2When particular features are desired, such as densityclassification, surface textures for appearance or bond, finish, color, fireresistance, insulation, acoustical properties, or other special features, suchproperties should be specif

6、ied separately by the purchaser. Suppliersshould be consulted as to the availability of adhered concrete masonryunits having the desired features.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on

7、 Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2C33/C33M Specification for Concrete AggregatesC140/C140M Test Methods for Sampling and T

8、esting Con-crete Masonry Units and Related UnitsC150/C150M Specification for Portland CementC331/C331M Specification for Lightweight Aggregates forConcrete Masonry UnitsC426 Test Method for Linear Drying Shrinkage of ConcreteMasonry UnitsC595/C595M Specification for Blended Hydraulic CementsC618 Spe

9、cification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use in ConcreteC979/C979M Specification for Pigments for Integrally Col-ored ConcreteC989/C989M Specification for Slag Cement for Use inConcrete and MortarsC1157/C1157M Performance Specification for HydraulicCementC1232 Terminology

10、for MasonryC1240 Specification for Silica Fume Used in CementitiousMixturesC1670/C1670M Specification for Adhered ManufacturedStone Masonry Veneer Units3. Terminology3.1 Terminology defined in Terminology C1232 shall applyfor this specification.3.2 Definitions of Terms Specific to This Standard:3.2.

11、1 adhered concrete masonry unit, na nonloadbearingconcrete masonry unit designed to be installed with a cemen-titious mortar to a backing surface.4. Materials and Manufacture4.1 Cementitious MaterialsMaterials shall conform to thefollowing applicable specifications:4.1.1 Portland CementSpecification

12、 C150/C150M.4.1.2 Modified Portland CementPortland cement con-forming to Specification C150/C150M, modified as follows:4.1.2.1 LimestoneCalcium carbonate, with a minimum85 % CaCO3content, is permitted to be added to the cement,provided these requirements of Specification C150/C150M asmodified are me

13、t:(1) Limitation on Insoluble Residue1.5 %.(2) Limitation on Air Content of MortarVolume percent,22 % max.(3) Limitation on Loss on Ignition7 %.4.1.3 Blended Hydraulic CementsSpecification C595/C595M.4.1.4 Hydraulic CementSpecification C1157/C1157M.1This test method is under the jurisdiction of ASTM

14、 Committee C15 onManufactured Masonry Units and is the direct responsibility of SubcommitteeC15.03 on Concrete Masonry Units and Related Units.Current edition approved Sept. 1, 2018. Published September 2018. DOI:10.1520/C1877-182For referenced ASTM standards, visit the ASTM website, www.astm.org, o

15、rcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international

16、standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.14

17、.1.5 PozzolansSpecification C618.4.1.6 Blast Furnace Slag CementSpecification C989/C989M.4.1.7 Silica FumeSpecification C1240.4.2 AggregatesAggregates shall conform to the followingspecifications, except for the grading requirements:4.2.1 Normal Weight AggregatesSpecification C33/C33M.4.2.2 Lightwei

18、ght AggregatesSpecification C331/C331M.NOTE 3The grading requirements of Specifications C33/C33M andC331/C331M may not be suitable for the production of these units.Because of this, producers are allowed to modify grading to meet theirneeds and the requirements of this specification.4.3 Pigments for

19、 Integrally Colored ConcreteSpecification C979/C979M.4.4 Other ConstituentsAir-entraining agents, coloringpigments, integral water repellents, finely ground silica, andother constituents shall be previously established as suitable foruse in concrete masonry units and shall conform to applicableASTM

20、standards or shall be shown by test or experience not tobe detrimental to the durability of the concrete masonry unitsor any material customarily used in masonry construction.5. Physical Requirements5.1 At the time of delivery to the purchaser, units shallconform to the physical requirements prescri

21、bed in Table 1.5.2 At the time of delivery to the purchaser, the averagetotal linear drying shrinkage of the three units tested shall notexceed 0.065 % when tested in accordance with 8.3.NOTE 4The purchaser is the public body or authority, association,corporation, partnership, or individual entering

22、 into a contract or agree-ment to purchase or install, or both, adhered concrete masonry units. Thetime of delivery to the purchaser is FOB plant when the purchaser or thepurchasers agent transports the adhered concrete masonry units, or at thetime unloaded at the worksite if the manufacturer or the

23、 manufacturersagent transports the adhered concrete masonry units.6. Dimensions, Weights, and Areas6.1 No overall dimension (width, height, and length) shalldiffer by more than 618 in. (3.2 mm) from the specifiedstandard dimensions.6.1.1 For those units with faces altered for aestheticpurposes, over

24、all dimensional tolerances apply only to thosedimensions not affected by the altering.NOTE 5For such units, dimensions will vary. Consult with suppliers todetermine achievable dimensional tolerances.6.2 Units shall have an average minimum thickness of 0.75in. (19 mm).6.3 The specified thickness of e

25、ach unit shall not exceed amaximum average thickness of 2.625 in. (66.7 mm).6.4 Units shall not exceed 36 in. (915 mm) in any facedimension.6.5 Units shall not exceed more than 5 ft2(0.46 m2) in totalface area.6.6 The average weight per square foot of each unit shall notexceed 15 lb/ft2(73 kg/m2). T

26、he weight per square foot shall bedetermined by multiplying the unit oven-dry density by the unitaverage thickness. Specification C1670/C1670M, Annex 1outlines the procedure for calculating the average thickness ofmasonry veneer.7. Finish and Appearance7.1 No more than5%oftheunits in the shipment sh

27、allexhibit one or more of the characteristics described in 7.1.1through 7.1.4 and 7.2.7.1.1 Units with dimensions not meeting the requirementsof 6.1.7.1.2 Units with finished face(s) containing chips larger than1 in. (25.4 mm) in any direction.7.1.3 Units with finished face(s) containing cracks wide

28、rthan 0.02 in. (0.5 mm) and longer than 25 % of the nominalheight of the unit.7.1.4 Units that are broken.7.2 Where units are to be used in exposed wall construction,the face or faces that are to be exposed shall not show chips orcracks, not otherwise permitted in 7.1.2 and 7.1.3, or otherimperfecti

29、ons when viewed from a distance of not less than 20ft (6.1 m) under diffused lighting.7.3 The color and texture of units shall be specified by thepurchaser. The finished surfaces that will be exposed in placeshall conform to an approved sample, consisting of not lessthan four units, representing the

30、 range of texture and colorpermitted.8. Methods of Sampling and Testing8.1 The purchaser or authorized representative shall beaccorded proper facilities to inspect and sample the adheredconcrete masonry units at the place of manufacture from thelots ready for delivery.8.2 Compressive strength, absor

31、ption, density, and dimen-sional tolerances shall be based on tests of adhered concreteTABLE 1 Strength, Absorption, and Density Classification RequirementsADensityClassificationOven-Dry Density ofConcrete,lb/ft3(kg/m3)Maximum Water Absorption,lb/ft3(kg/m3)Minimum Net Area Compressive Strength,lb/in

32、.2(MPa)Average of 3 Units Average of 3 Units Individual Units Average of 3 Units Individual UnitsLightweight Less than 105 (1680) 15 (240) 17 (272) 2000 (13.8) 1800 (12.4)Medium Weight 105 to less than 125(16802000)13 (208) 15 (240) 2000 (13.8) 1800 (12.4)Normal Weight 125 (2000) or more 10 (160) 12

33、 (192) 2000 (13.8) 1800 (12.4)ACompressive strength, absorption, and density determined in accordance with 8.2.C1877 182masonry units of any configuration or dimensions made withthe same materials, concrete mix design, manufacturingprocess, and curing method, conducted in accordance with TestMethods

34、 C140/C140M, Annex A1 and within 12 months ofproduction of the units.8.2.1 Compression test specimens shall comply with thefollowing:8.2.1.1 Aspect ratio (height divided by least lateraldimension, h/t)of2.06 0.1 before capping, and8.2.1.2 Length to thickness ratio (l/t)of4.06 0.1.8.3 Total linear dr

35、ying shrinkage shall be based on tests ofadhered concrete masonry units of any configuration or dimen-sions made with the same materials, concrete mix design,manufacturing process, and curing method, conducted inaccordance with Test Method C426 and within 24 months ofproduction of the units.9. Compl

36、iance9.1 If a sample fails to conform to the specified physicalrequirements, the manufacturer shall be permitted to removeunits from the shipment. A new sample shall be selected by thepurchaser from remaining units from the shipment with asimilar configuration and dimension and tested at the expense

37、of the manufacturer. If the second sample meets the specifiedphysical requirements, the remaining portion of the shipmentrepresented by the sample meets the specified physical require-ments. If the second sample fails to meet the specified physicalrequirements, the remaining portion of the shipment

38、repre-sented by the sample fails to meet the specified physicalrequirements.NOTE 6Unless otherwise specified in the purchase order, the costs oftests is typically borne as follows: (1) if the results of the tests show thatthe units do not conform to the requirements of this specification, the costis

39、 typically borne by the seller; (2) if the results of the tests show that theunits conform to the specification requirements, the cost is typically borneby the purchaser.10. Keywords10.1 absorption; adhered; compressive strength; concretefacing units; concrete masonry units; linear drying shrinkage;

40、portland cement; veneerASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringem

41、ent of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or

42、 for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views kn

43、own to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting AS

44、TM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 183

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1