标准规范下载简介
SBC303 沙特地基与基础设计规范.pdfEnlarged base piles shall conform to the requirements of Sections 16.2.1 through 16.2.5.
Concretecover.Theminimumconcretecover shall be7Ommforuncased shafts and25mmforcased shafts
SECTION 163
SECTION 163
DL／T 1330-2014标准下载DRILLEDORAUGEREDUNCASEDPILES
ReinforcementinseismicdesigncategoryCandD.Wherea structureis assignedtoSeismicDesignCategoryCandDinaccordancewithChapters9 through 16, SBC 301,the corresponding requirements of Sections 16.1.2.1 and 16.1.2.2 shall bemet.
SECTION 16.4
DRIVEN UNCASED PILES
Concrete cover.Pilereinforcement shall have a concrete cover of notless than7o
SECTION 16.5
16.5.1 Materials. Pile shells or casings shall be of steel and shall be sufficiently strong to resist collapse and sufficiently water tight to exclude any foreign materials during the placing of concrete. Steel shells shall have a sealed tip with a diameter of not less than 200 mm.
SECTION16.6
Materials. Steel pipe and tube sections used for piles shall conform to ASTM A 252orASTMA283.ConcreteshallconformtoSection16.1.1.Themaximum coarseaggregatesizeshallbe20mm
Reinforcement. Reinforcement steel shall conform to Section 16.1.2 Reinforcement shall notbeplaced within25mmof the steel casing.
SECTION 16.7 CAISSON PILES
Installation.The rock socket and pile shall be thoroughly cleaned of foreign materials before filling with concrete.Steel cores shall be bedded in cement grout at the base of the rock socket. Concrete shall not be placed through water except where a tremie or other approved method is used.
SECTION16.8 COMPOSITE PILE
SECTION16.8
SECTION16.8 COMPOSITE PILES
PIER FOUNDATIONS
SECTION 17.1 GENERAL
SECTION17.1
Isolated and multiplepiers used asfoundations shall conformto therequirements of Sections17.2 through 17.10,aswell as theapplicableprovisions ofChapter14.
SECTION 17.2
LATERALDIMENSIONSANDHEIGH
Theminimumdimensionofisolatedpiersusedasfoundationsshall be600mm and the height shall not exceed 12times theleast horizontal dimension.
Theminimumdimensionof isolatedpiersusedasfoundationsshallbe600m
SECTION17.3 MATERIALS
REINFORCEMENT
Exceptfor steel dowels embedded1500mmorless inthepier,reinforcement where required shall beassembled and tied togetherand shallbeplaced in thepier hole as aunitbeforethereinforced portion of thepier is filled withconcrete.
Exceptions:
PIER FOUNDATIONS
SECTION 175
CONCRETEPLACEMENT
SECTION 17.6
SECTION 17.6 BELLED BOTTOMS
Where pier foundations are belled at the bottom, the edge thickness of the bell shall not be less than that required for the edge of footings. Where the sides of the oell slopeat ananglelessthan60degrees (1rad)fromthehorizontal,the effects ofvertical shearshallbeconsidered
SECTION 17.7
Where the unsupported height of foundation piers exceeds six times the least dimension, the allowable working stress onpiers of unit masonry shall be reduced inaccordance with SBC305
SECTION 17.8
Where adequatelateral supportis notprovided,piers shallbe constructed of reinforced concrete,and shall conformto therequirementsforcolumns inSBo 304.Where adequate lateral support is furnished by the surrounding materials as defined in Section 14.9,piers arepermitted to be constructed of reinforced concrete, and therequirements of SBC304forbearing onconcreteshall apply.
SECTION 17.9
Where concrete piers are entirely encased with a circular steel shell, and the area of the shell steel is considered reinforcing steel, the steel shall be protected under
PIER FOUNDATIONS
SECTION 17.10 DEWATERING
Wherepiers are carried to depths belowwater level, thepiers shallbe constructed by a method that will provide accurate preparation and inspection of the bottom, and thedepositingor constructionof sound concreteorothermasonryinthedry.
COMMENTARY
REFERENCES
The followingreferenceswere consultedinthedevelopmentof eitherthenewly ntroduced topics or in revisingthematerials adopted from Chapter 18 of the InternationalBuildingCode(IBC)
References,Chapter
References, Chapter 2
References,Chapter2
References,Chapter3
Structural Code", Royal Commission for Jubail and Yanbu, 1986. Amendment to the 2003 International Building Code", City of Las Vegas.
References,Chapter4
"Jordanian Code for Footings, Foundations, and Retaining Walls,1s'Edition, Ministry of Housing and Public Works, Jordanian National Building Council, 1992. 2 "Arab Code for Soil Mechanics and Foundation Design and Construction: Part 3 ShallowFoundations,Arab League,Council of Ministers for Housing and Development, 1997
ordanian Codefor Footings,Foundations, and Retaining Walls,1stEdition, nistry of Housing and Public Works, Jordanian National Building Council, 92.
Arab Code for Soil Mechanics and Foundation Design and Construction:Part ShallowFoundations,Arab League,Council of Ministersfor Housing and evelopment.1997
References,Chapter5
"Jordanian Code for Footings, Foundations, and Retaining Walls", Edition,"Ministry of Housing and Public Works, Jordanian National Building Council, 1992.
ReferencesChapter
COMMENTARY
REFERENCES
.4 "Foundation Engineering Handbook,"Winterkorn, H.F. and Fang H. Eds., Van Nostrand Reinhold Company,New York, 1975.
References,Chapter
References,Chapter9
COMMENTARY
REFERENCES
DB22／T 2653-2017 城市轨道交通消防安全检查规程References,Chapter10
References,Chapter10
References,Chapter
References, Chapter 12
某工程物料提升机施工方案.docReferences, Chapter 13
eferencesChapter
Depthof footings .5.2 Excavation,grading and fill .3.1 Expansive 2.3.2, 9.1 Footings and foundations Footings on or adjacent to slopes ..5.3 Foundationwalls ..6.1 Foundations, pile and pier 14.1, 14.2 Grading. ..3.7,3.7,3.8 Investigation .2.4 Investigation, seismic 2.2.5, 2.26 Loadbearingvalues .4.1,4.1,4.4 Soil boring and sampling .12.3 Testing, piles .... .14.8.7 Piles 1.3 STRUCTURALDESIGN 2.4.2,14.6 Foundations 1.3,9.3.2,10.3,14.6 TESTING 5.2,3.10 Soils .. 1.3 WALL,FOUNDATION .6.1 WALL,RETAINING