• 2004 CONCRETE MIX DESIGN GUIDANCE DOCUMENT-2-25-05

    Item 360 Concrete Pavement specifies design strengths that include an over-design value of approximately 10%. There is no need to use the following method for determining over-design values for Class P concrete. For other classes of concrete, in order to ensure that the minimum 28-day design

  • Cement Standards and Concrete Standards

    Cement Standards and Concrete Standards. ASTM's cement and concrete standards are instrumental in the evaluation and testing of concrete, cement, and aggregates. Concrete can have different properties depending upon the mixture that is used in creating it, which contains cement, chemical admixtures, and aggregates.

  • 5.4 MATERIAL PROPERTIES

    classes of concrete specified should meet the requirements of Section 502 of the Standard Specifications. SCHEDULE OF CONCRETE Concrete placement is divided into schedules for structures that have definite superstructure and substructure elements; e.g., prestressed girder bridges. Unscheduled concrete is used for culverts, retaining walls, etc.

  • CONCRETE BASICS A Guide to Concrete Practice

    Concrete Basicsaims to provide a clear, concise explanation of all aspects of making quality concrete; from the Materials and Properties involved through Planning, Preparation, Finishing and Curing. Concrete Basicsaddresses the needs of unskilled and semi-skilled persons undertaking general concreting projects including home and handyman projects.

  • Item 429 Concrete Structure Repair - ftp.dot.state.tx.us

    Item 429 Concrete Structure Repair 1. DESCRIPTION Remove and repair unsound, delaminated, or spalled concrete. 2. MATERIALS Submit all proposed repair materials for approval. Provide materials as outlined in the Concrete Repair ... Class S concrete for decks, or concrete of the

  • STANDARD SPECIFICATIONS FOR CONSTRUCTION AND …

    Here "XXX" represents the Item number. Some Articles are not used in every Item. Measurement and Payment Articles are combined when the work described is subsidiary to bid items of the Contract. Hierarchy of Organizational Elements The hierarchy of organizational elements available below the Item level is as follows: XXX.X. Article. A ...

  • Section 441 Miscellaneous Concrete

    5. When fitting spillways to concrete pavement, set the specified dowel bars into the pavement when it is laid. Use metal parting strips to hold the ends of dowels bent into the grooves. C. Concrete 1. Mixing Mix Class B concrete as specified in Section 500 with the following exceptions: a.

  • Standard Specifications for Highways and Structures 2013

    These Standard Specifications for Highways and Structures are standard for all District Department of ... 106.13 CONTRACTOR PROCESS QUALITY CONTROL AT ASPHALT AND CONCRETE PLANTS 65 106.14 MINIMUM REQUIREMENTS FOR TESTING LABORATORIES AT ASPHALT AND ... 109.04 ELIMINATED ITEMS 89 109.05 PROGRESS PAYMENTS 89

  • c++ - Can pointers to items in other classes/structures be ...

    I have a fairly complex scenario, so I am trying to distill this down to the basic issue. I have 3 classes (simplified here): class Base { protected: std::map <unsigned int, Node*> node...

  • SECTION 600 MISCELLANEOUS CONSTRUCTION SECTION 601 ...

    then Class P concrete shall contain a minimum of 55 percent AASHTO M 43 sizes No. 57, No. 67, No. 357, or No. 467 coarse aggregate. Laboratory trial mix for Class P concrete must produce an average 28 day flexural strength of at least 650 psi. Class P concrete shall contain 70 percent to 80 percent portland cement and 20

  • Bid and Spec Items - Nassau County, NY

    Item No Engineers Estimate Item Description 1 M/F 12.00 LS ... Bridge Excavation For: 4A 566.00 SY Cement Concrete Breaking (Pavement) For: 4B 66.00 CY Cement Concrete Breaking (Structures) For: 5D 421.00 CY Selected Granular Fill For: 7 730.00 SY Preparing Fine Grade For: ... Reinforced Concrete Pipe Class IV, 15 Inch Diameter For: 12A-4-18 ...

  • Item Category: Road-And-Highway-Asphalt-And-Concrete ...

    Texas Comptroller of Public Accounts Glenn Hegar. Search Sign In

  • TxDOT Specifications

    TxDOT Specifications. ITEM NO. - TITLE AND REQUIREMENTS. 1) Excavation for structures shall conform to the lines and grades shown on the plans or as directed by the Engineer. 2) For trench and/or negative projecting conditions for concrete pipe culverts, excavation diagrams will be shown on the plans. 3) When existing pavement and base are to ...

  • Concrete Vocabulary Quiz or Worksheet for an Agriculture ...

    Quiz or Worksheet covering the vocabulary that will be used when introducing Concrete to students in an Agricultural Structures class. There are 37 words total. This can also be used in conjunction with the Concrete word search, flashcards, and crossword. The document is in Word format so it can be ...

  • CONCRETE CLASSES AND PAY ITEMS

    item concrete class pay item 8 8 8 7 7 7 9 9 5 11 11 11 7 9 7 7 9 unit 10 11 6 7 3 3 for two-course conc. deck slab pay item: concrete deck overlay protection system, c.y. top of bridge deck (typ.) footing joints footing abutment wall footing contraction joint wall only. footings monolithic with invert slab. (typ.)

  • Item Category: Buildings-And-Structures:-Fabricated-And ...

    Item Category Abrasives Acoustical Tile, ... (See Class 022 For Parts) Agricultural Equipment And Implement Parts Air Compressors And Accessories Air Conditioning, Heating, And Ventilating Equipment, Parts And Accessories (See Class 740 Also) Aircraft And Airport Equipment, Parts, And Supplies

  • Standard Specifications for Construction and Maintenance ...

    Some Articles are not used in every Item. Measurement and Payment Articles are combined when the work described is subsidiary to bid Items of the Contract. HIERARCHY OF ORGANIZATIONAL ELEMENTS Here "XXX" represents the Item number. The hierarchy of organizational elements available below the Item level is as follows: ... 429 Concrete ...

  • Concrete Vocabulary Crossword for an Agriculture ...

    Crossword covering the vocabulary that will be used when introducing Concrete to students in an Agricultural Structures class. There are 37 terms total. This can also be used in conjunction with the Concrete word search, flashcards, and quiz/worksheet.

  • Collection Collection Classes Classes Data Structures and ...

    Collection Collection Classes Classes Data Structures and Other Objects Using Java A Collection class is a data type that is capable of holding a group of items. In Java, Collection classes can be implemented as a class, along with methods to add, remove, and examine items. More slides like this. Slide #2. Bags Bags For the first example, think ...

  • Chapter 4 Construction Details - Caltrans

    • Refer to "Concrete Admixtures," in Chapter 2 of Structure Construction's Concrete Technology Manual for additional information on admixtures. 4-9001A (2) Check of Mix Design Before use of any concrete, the contractor is required to submit in writing a copy of their mix designs.

  • SPECIFICATIONS - DETAILED PROVISIONS Section 03300 – …

    a) Class "AA", 4,000 psi Concrete. Class "M" concrete shall be provided throughout except as specified hereinafter, or in the Special Conditions. b) Class "A", 3,000 psi Concrete. Standard Specifications for Public work Construction Class 560-C-3250, 3250 psi concrete. Class "A" 3,000 psi concrete or Class …

  • 499 Concrete – General

    The Department uses prescription mixes that are found in concrete tables in 499.03 C. Table 499.03–2 shows Class S, Class C, and Class F concrete using No. 57 or No 67 size coarse aggregate. The class of concrete is generally called out in the specification of the item of work in which the concrete …

  • Item No - AustinTexas.gov

    A. Concrete Class C Concrete shall be used for cast-in-place and precast (formed) box culverts conforming to the requirements of Standard Specification Item No. 403S, "Concrete Structures" and Standard Specification Item No. 410S, "Concrete for Structures", except that Class S Portland cement Concrete will be required for the top slab of direct ...

  • PTToolBarButtonItem Class Reference

    PDFTron iOS Reference PTToolBarButtonItem Class Reference . Viewer Controls. PTDocumentController; PTDocumentViewController; PTTabbedDocumentViewController

  • Section 500 Concrete Structures

    Section 500—Concrete Structures Page 6 Material Section Water Reducing Admixtures 831.2.02 Granulated Iron Blast-Furnace Slag 831.2.03.A.3 Fly Ash 831.2.03.A Curing Agents 832 Joint Fillers and Sealers 833 Special Surface Coating 836 Linseed Oil 870.2.06.A. Mineral Spirits 870.2.06.A.4 Water 880.2.01 Graded Aggregate (3) 815.2.01 Graffiti Proof Coating 838.2.01

  • Chapter 4: Construction Details, Section 51: Concrete ...

    Section 51 Concrete Structures 4-5101 General. This section covers items related to constructing concrete structures. Section 51, "Concrete Structures," of the Standard Specifications provides requirements for constructing concrete structures. Concrete structures include concrete bridges, structure approach slabs, culverts, headwalls, endwalls, drainage inlets, retaining walls, and other ...

  • Concrete Vocabulary Word Scramble for an Agriculture ...

    Word Scramble covering the vocabulary that will be used when introducing Concrete to students in an Agricultural Structures class. There are 36 words total. There is a word bank included, which can be removed to make the worksheet more difficult. ...

  • ISO Construction Classifications - Copy

    concrete or heavy masonry walls and floors are common in this classification. Fire‐resistance rating: Less than 2 hours, but greater than 1 hour Advantages: Allows greater height and area Examples: High and mid‐rise office buildings and condos Modified or Semi‐Fire Resistive

  • 2004 CONCRETE MIX DESIGN GUIDANCE DOCUMENT-2-25-05

    Item 360 Concrete Pavement specifies design strengths that include an over-design value of approximately 10%. There is no need to use the following method for determining over-design values for Class P concrete. For other classes of concrete, in order to ensure that the minimum 28-day design

  • Cement Standards and Concrete Standards

    Cement Standards and Concrete Standards. ASTM's cement and concrete standards are instrumental in the evaluation and testing of concrete, cement, and aggregates. Concrete can have different properties depending upon the mixture that is used in creating it, which contains cement, chemical admixtures, and aggregates.

  • 5.4 MATERIAL PROPERTIES

    classes of concrete specified should meet the requirements of Section 502 of the Standard Specifications. SCHEDULE OF CONCRETE Concrete placement is divided into schedules for structures that have definite superstructure and substructure elements; e.g., prestressed girder bridges. Unscheduled concrete is used for culverts, retaining walls, etc.

  • CONCRETE BASICS A Guide to Concrete Practice

    Concrete Basicsaims to provide a clear, concise explanation of all aspects of making quality concrete; from the Materials and Properties involved through Planning, Preparation, Finishing and Curing. Concrete Basicsaddresses the needs of unskilled and semi-skilled persons undertaking general concreting projects including home and handyman projects.

  • Item 429 Concrete Structure Repair - ftp.dot.state.tx.us

    Item 429 Concrete Structure Repair 1. DESCRIPTION Remove and repair unsound, delaminated, or spalled concrete. 2. MATERIALS Submit all proposed repair materials for approval. Provide materials as outlined in the Concrete Repair ... Class S concrete for decks, or concrete of the

  • STANDARD SPECIFICATIONS FOR CONSTRUCTION AND …

    Here "XXX" represents the Item number. Some Articles are not used in every Item. Measurement and Payment Articles are combined when the work described is subsidiary to bid items of the Contract. Hierarchy of Organizational Elements The hierarchy of organizational elements available below the Item level is as follows: XXX.X. Article. A ...

  • Section 441 Miscellaneous Concrete

    5. When fitting spillways to concrete pavement, set the specified dowel bars into the pavement when it is laid. Use metal parting strips to hold the ends of dowels bent into the grooves. C. Concrete 1. Mixing Mix Class B concrete as specified in Section 500 with the following exceptions: a.

  • Standard Specifications for Highways and Structures 2013

    These Standard Specifications for Highways and Structures are standard for all District Department of ... 106.13 CONTRACTOR PROCESS QUALITY CONTROL AT ASPHALT AND CONCRETE PLANTS 65 106.14 MINIMUM REQUIREMENTS FOR TESTING LABORATORIES AT ASPHALT AND ... 109.04 ELIMINATED ITEMS 89 109.05 PROGRESS PAYMENTS 89

  • c++ - Can pointers to items in other classes/structures be ...

    I have a fairly complex scenario, so I am trying to distill this down to the basic issue. I have 3 classes (simplified here): class Base { protected: std::map <unsigned int, Node*> node...

  • SECTION 600 MISCELLANEOUS CONSTRUCTION SECTION 601 ...

    then Class P concrete shall contain a minimum of 55 percent AASHTO M 43 sizes No. 57, No. 67, No. 357, or No. 467 coarse aggregate. Laboratory trial mix for Class P concrete must produce an average 28 day flexural strength of at least 650 psi. Class P concrete shall contain 70 percent to 80 percent portland cement and 20

  • Bid and Spec Items - Nassau County, NY

    Item No Engineers Estimate Item Description 1 M/F 12.00 LS ... Bridge Excavation For: 4A 566.00 SY Cement Concrete Breaking (Pavement) For: 4B 66.00 CY Cement Concrete Breaking (Structures) For: 5D 421.00 CY Selected Granular Fill For: 7 730.00 SY Preparing Fine Grade For: ... Reinforced Concrete Pipe Class IV, 15 Inch Diameter For: 12A-4-18 ...

  • Item Category: Road-And-Highway-Asphalt-And-Concrete ...

    Texas Comptroller of Public Accounts Glenn Hegar. Search Sign In

  • TxDOT Specifications

    TxDOT Specifications. ITEM NO. - TITLE AND REQUIREMENTS. 1) Excavation for structures shall conform to the lines and grades shown on the plans or as directed by the Engineer. 2) For trench and/or negative projecting conditions for concrete pipe culverts, excavation diagrams will be shown on the plans. 3) When existing pavement and base are to ...

  • Concrete Vocabulary Quiz or Worksheet for an Agriculture ...

    Quiz or Worksheet covering the vocabulary that will be used when introducing Concrete to students in an Agricultural Structures class. There are 37 words total. This can also be used in conjunction with the Concrete word search, flashcards, and crossword. The document is in Word format so it can be ...

  • CONCRETE CLASSES AND PAY ITEMS

    item concrete class pay item 8 8 8 7 7 7 9 9 5 11 11 11 7 9 7 7 9 unit 10 11 6 7 3 3 for two-course conc. deck slab pay item: concrete deck overlay protection system, c.y. top of bridge deck (typ.) footing joints footing abutment wall footing contraction joint wall only. footings monolithic with invert slab. (typ.)

  • Item Category: Buildings-And-Structures:-Fabricated-And ...

    Item Category Abrasives Acoustical Tile, ... (See Class 022 For Parts) Agricultural Equipment And Implement Parts Air Compressors And Accessories Air Conditioning, Heating, And Ventilating Equipment, Parts And Accessories (See Class 740 Also) Aircraft And Airport Equipment, Parts, And Supplies

  • Standard Specifications for Construction and Maintenance ...

    Some Articles are not used in every Item. Measurement and Payment Articles are combined when the work described is subsidiary to bid Items of the Contract. HIERARCHY OF ORGANIZATIONAL ELEMENTS Here "XXX" represents the Item number. The hierarchy of organizational elements available below the Item level is as follows: ... 429 Concrete ...

  • Concrete Vocabulary Crossword for an Agriculture ...

    Crossword covering the vocabulary that will be used when introducing Concrete to students in an Agricultural Structures class. There are 37 terms total. This can also be used in conjunction with the Concrete word search, flashcards, and quiz/worksheet.

  • Collection Collection Classes Classes Data Structures and ...

    Collection Collection Classes Classes Data Structures and Other Objects Using Java A Collection class is a data type that is capable of holding a group of items. In Java, Collection classes can be implemented as a class, along with methods to add, remove, and examine items. More slides like this. Slide #2. Bags Bags For the first example, think ...

  • Chapter 4 Construction Details - Caltrans

    • Refer to "Concrete Admixtures," in Chapter 2 of Structure Construction's Concrete Technology Manual for additional information on admixtures. 4-9001A (2) Check of Mix Design Before use of any concrete, the contractor is required to submit in writing a copy of their mix designs.

  • SPECIFICATIONS - DETAILED PROVISIONS Section 03300 – …

    a) Class "AA", 4,000 psi Concrete. Class "M" concrete shall be provided throughout except as specified hereinafter, or in the Special Conditions. b) Class "A", 3,000 psi Concrete. Standard Specifications for Public work Construction Class 560-C-3250, 3250 psi concrete. Class "A" 3,000 psi concrete or Class …

  • 499 Concrete – General

    The Department uses prescription mixes that are found in concrete tables in 499.03 C. Table 499.03–2 shows Class S, Class C, and Class F concrete using No. 57 or No 67 size coarse aggregate. The class of concrete is generally called out in the specification of the item of work in which the concrete …

  • Item No - AustinTexas.gov

    A. Concrete Class C Concrete shall be used for cast-in-place and precast (formed) box culverts conforming to the requirements of Standard Specification Item No. 403S, "Concrete Structures" and Standard Specification Item No. 410S, "Concrete for Structures", except that Class S Portland cement Concrete will be required for the top slab of direct ...

  • PTToolBarButtonItem Class Reference

    PDFTron iOS Reference PTToolBarButtonItem Class Reference . Viewer Controls. PTDocumentController; PTDocumentViewController; PTTabbedDocumentViewController

  • Section 500 Concrete Structures

    Section 500—Concrete Structures Page 6 Material Section Water Reducing Admixtures 831.2.02 Granulated Iron Blast-Furnace Slag 831.2.03.A.3 Fly Ash 831.2.03.A Curing Agents 832 Joint Fillers and Sealers 833 Special Surface Coating 836 Linseed Oil 870.2.06.A. Mineral Spirits 870.2.06.A.4 Water 880.2.01 Graded Aggregate (3) 815.2.01 Graffiti Proof Coating 838.2.01

  • Chapter 4: Construction Details, Section 51: Concrete ...

    Section 51 Concrete Structures 4-5101 General. This section covers items related to constructing concrete structures. Section 51, "Concrete Structures," of the Standard Specifications provides requirements for constructing concrete structures. Concrete structures include concrete bridges, structure approach slabs, culverts, headwalls, endwalls, drainage inlets, retaining walls, and other ...

  • Concrete Vocabulary Word Scramble for an Agriculture ...

    Word Scramble covering the vocabulary that will be used when introducing Concrete to students in an Agricultural Structures class. There are 36 words total. There is a word bank included, which can be removed to make the worksheet more difficult. ...

  • ISO Construction Classifications - Copy

    concrete or heavy masonry walls and floors are common in this classification. Fire‐resistance rating: Less than 2 hours, but greater than 1 hour Advantages: Allows greater height and area Examples: High and mid‐rise office buildings and condos Modified or Semi‐Fire Resistive