ITEM 276 PORTLAND CEMENT TREATED BASE (PLANT MIXED)

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ITEM 276 PORTLAND CEMENT TREATED BASE (PLANT MIXED)

ITEM 276 PORTLAND CEMENT TREATED BASE (PLANT MIXED)

ITEM 276 PORTLAND CEMENT TREATED BASE (PLANT MIXED) 276.1. Description. This Item shall govern for the construction of a portland cement treated base course, composed of new flexible base material, cement and water, mixed at a central mixing plant, and

ITEM 276 PORTLAND CEMENT TREATED BASE (PLANT MIXED)

ITEM 276 PORTLAND CEMENT TREATED BASE (PLANT MIXED) 276.1. Description. This Item shall govern for the construction of a portland cement treated base course, composed of new flexible base material, cement and water, mixed at a central mixing plant, and constructed in accordance with the typical sections, lines, grades and thickness

Item 276 Cement Treatment (Plant-Mixed)

276 158 Item 276 Cement Treatment (Plant-Mixed) 1. DESCRIPTION Construct a base course composed of flexible base, hydraulic cement, and water, mixed in an approved plant. 2. MATERIALS Furnish uncontaminated materials of uniform quality that meet the requirements of the plans and specifications.

SPECIAL PROVISION 276---006 Portland Cement Treated Base ...

276---006 Portland Cement Treated Base (Plant Mixed) For this project, Item 276, “Portland Cement Treated Base (Plant Mixed),” of the Standard Specifications, is hereby amended with respect to the clauses cited below, and no other clauses or requirements of this Item are waived or changed hereby. Article 276.8. Measurement. The first ...

TxDOT Specifications

May 03, 2002 REFERENCE ITEMS (247, 300, 421, 520, 524) Go to Top. 276 - PORTLAND CEMENT TREATED BASE (PLANT MIXED) SPECIFICATION REQUIREMENTS 1) Limits must be shown on the plans. 2) Width and depth of courses must be shown on the typical section(s). 3) The strength must be shown on the plans.

TxDOT Specifications

Apr 29, 2002 REFERENCE ITEMS (300, 421, 520, 524) Go to Top. 276 - PORTLAND CEMENT TREATED BASE (PLANT MIXED) SPECIFICATION REQUIREMENTS 1) Construct in accordance with typical sections, lines and grades as shown on the plans. 2) Width and depth of courses and layers must be shown on the typical section(s) or provided in the plans.

Guide to Cement-Treated Base (CTB)

ii Abstract: Cement-treated base (CTB) is a mixed-in-place or central-plant-produced material consisting of soil/aggregate, cement, and water that creates a strong and durable stabilized roadway base. This guide to CTB discusses its applications, benefits, design, construction, testing, and performance.

Pavement Manual: Rigid Pavement Design Process for CPCD

To ensure long-term strength and stability of cement treated layers, sufficient cement must be used in the mixture. Item 276, “Cement Treatment (Plant-Mixed),” currently designates three classes of cement treated flexible base, based on 7-day unconfined compressive strength.

ITEM 207 – PORTLAND CEMENT TREATED PLANT MIX BASE

Portland Cement Treated Plant Mix Base Course will be measured by the cubic meter (m3). The quantity to be paid for shall be the design volume compacted in-place as shown on the Plans, accepted in the completed course. No allowance shall be given for materials placed outside the design limits shown on the cross-sections.

Special Specification Template

Preparation and placement of base shall conform to the requirements of Item 276, "Portland Cement Treated Base (Plant Mixed)". 4. Measurement. This Item will be measured by the linear foot of width of Wide Flange Terminal Anchorage System complete in place. Measurements shall be based on the dimensions and details shown on the plans.

ITEM 351 REPAIRING EXISTING FLEXIBLE PAVEMENT

Item 276, "Portland Cement Treated Base (Plant Mixed)" Item 345, "Asphalt Stabilized Base (Plant Mix)" (3) Asphaltic Concrete Pavement. Asphaltic concrete pavement shall conform to the pertinent material requirements of the following Items: Item 330, "Limestone Rock Asphalt Pavement (Class A)"

§ 204S.12. Payment, ITEM NO. 204S - PORTLAND CEMENT ...

Sep 26, 2012 Item No. 276 Portland Cement Treated Base (Plant Mixed) Item No. 421 Portland Cement Concrete Item No. 522 Portland Cement Concrete Plants Texas Department ...

SPECIAL SPECIFICATION 3288 Wide Flange Terminal

Item 260, "Lime Treatment for Materials Used as Subgrade (Road Mixed)", and Item 276, "Portland Cement Treated Base (Plant Mixed)" or to Item 247, "Flexible Base", as specified by the Engineer. 4. Measurement. This Item will be measured by: (1) The cubic yard of concrete used in the support and sleeper slabs.

SECTION NO. 13

13-03 CEMENT TREATED BASE (CTB): A. Cement Treated Base shall be in accordance with TxDOT Standard Specification, Item 276. Use strength “L”. In any areas where the City determines the subgrade is unstable or unsuitable, the subgrade material shall be removed and be replaced with CTB compacted

SCHEDULE OF MINIMUM TEST REQUIREMENTS GOVERNING

C. Mix Same tests as for Item 203 . D. Compacted Base Course Same tests as for Item 203 Item 206 - Portland Cement Treated Plant Mix Base course Amount of Asphalt to be added: 6 to 10 mass % of dry soil aggregate A. Soil Aggregate Same tests as for Item 203 : B. Portland Cement For every 2000 bags of fraction thereof: 1-Q, Quality Test . C. Water

Evaluating feasibility of modified drilling waste ...

Jul 30, 2016 Interestingly, when 3% by dry solids weight of cement was added to the mixture, the UCS was drastically increased. TxDOT Item 276 “Cement-Treated Base” specifies three classes, L, M, and N of “2068 kPa, 1207 kPa, and 241 kPa, respectively, “as shown on the plans.” The cement-stabilized mixture with an additional cement content of 3% ...

PART IV – RIGID BASE COURSES ITEM P-301 SOIL-CEMENT

9/30/2008 AC 150/5370-10D PART IV – RIGID BASE COURSES ITEM P-301 SOIL-CEMENT BASE COURSE DESCRIPTION 301-1.1 This item shall consist of constructing a base course by uniformly mixing together soil, portland cement, and water. The mixed material shall be spread, shaped, and compacted in accordance with these specifications and

DPWH Blue Book - Engineers Tambayan

Item 309 - Bituminous Plant-Mix (Stockpile Maintenance Mixture) Item 310 - Bituminous Concrete Surface Course, Hot Laid Item 311 - Portland Cement Concrete Pavement

Material Testing - Engineers Tambayan

item 207 – portland cement treated plant mix base course 207.1 Description This item shall consist of a foundation for surface course composed

DPWH Blue Book, Vol 2 Facebook

Jan 24, 2005 Item 203- Lime Stabilized Road Mix Base Course ----- 46. Item 204- Portland Cement Stabilized Road MixBase Course----- 51. Item 205- Asphalt Stabilized Road Mix BaseCourse----- 53. Item 206- Portland Cement Treated Plant MixBase Course----- 54 ... Item 412- Elastomeric Bearing Pads ----- 276. Item 413- Pre Molded Joint Filler for ConcretePaving ...

Characterization of Crushed Concrete Materials for Paving ...

CPCC fines, are provided for the selected applications: flexible base, cement treated base, HMA bond breaker, flowable fill, backfill, and roadway embankment. 17. Key Words Recycling, Crushed Portland Cement Concrete, CPCC Fines, Material Characterization, Mix Design, Mechanistic Property, Workability, Moisture Susceptibility 18.

Standard Specifications for Construction and Maintenance ...

266. Lime-Fly Ash (LFA) Treatment for Base Courses (Road Mixed) ..... 235 275. Portland Cement Treated Materials (Road Mixed) ..... 243 276. Portland Cement Treated Base (Plant Mixed) ..... 250 DIVISION III, Surface Courses or Pavement ITEM 300.

Section 301 Soil-Cement Construction

Section 301—Soil-Cement Construction Page 3 Mix and place cement-treated base or subbase only when the weather permits the course to be finished without interruption in the time specified. Mix and place materials only when the moisture content of the soil to be used in the mixture meets the limits specified in this Subsection.

§ 204S.12. Payment, ITEM NO. 204S - PORTLAND CEMENT ...

Sep 26, 2012 Item No. 276 Portland Cement Treated Base (Plant Mixed) Item No. 421 Portland Cement Concrete Item No. 522 Portland Cement Concrete Plants Texas Department ...

SECTION NO. 13

13-03 CEMENT TREATED BASE (CTB): A. Cement Treated Base shall be in accordance with TxDOT Standard Specification, Item 276. Use strength “L”. In any areas where the City determines the subgrade is unstable or unsuitable, the subgrade material shall be removed and be replaced with CTB compacted

Chapter 4 Construction Details

4-2703B Plant-Mixed Cement Treated Base For plant-mixed CTB, do the following: • To calibrate and check the accuracy of weighing and metering devices, request assistance from the district weights and measures coordinator. • Ensure the contractor is adding water by a method that permits the amount or rate to be verified.

ISG Product - Portland Cement Association

Other descriptions such as soil-cement base, cement-treated aggregate base, or cement-stabilized base are sometimes used. This document provides a basic guide on the use of cement-treated base (CTB) for pavement applications. It provides an overview on the design and construction of CTB for both mixed-in-place and central plant mixed operations.

- MANUAL - Portland Cement Association

soil malerial, portland cement, and water. Tha soil in soil-cement can be a wide vaflety of mateflala Hther in-place or borrow matarial can be used. Old granular-base roads, with or without their bituminous surfaces, can ba recycled to make soil-cement. Soil-cement iS SOmetimeS called cement-treated base or cement-stabilized-aggregate baae.

CHAPTER 660 PAVEMENT FOUNDATIONS

Jul 01, 2020 Treated bases are granular materials mixed with asphalt or portland cement to improve the strength or stiffness. Treated bases include cement treated base (CTB) and asphalt treated base (ATB). CTB has shown poor performance under rigid pavement in the past. CTB exhibits excessive pumping, faulting, and cracking. This is

Beneficiation of stockpiled fluidized bed coal ash in road ...

Nov 01, 2010 The 7-day strength data of one untreated mix design and the four cement stabilized mixes are given in Fig. 6. TxDOT Item 276 “Cement-Treated Base” specifies three classes, L, M, and N, of the cement stabilized bases with 7-day UCS requirements of 2068 kPa, 1207 kPa, and “as shown on the plans”, respectively. The results indicate that ...

APPENDIX A FINAL DRAFT UPDATE OF ITEM P-304 CEMENT

Final Draft Update of Item P-304 Cement-Treated Base Course 10-13-05 304-2.5.1 Portland Cement Concrete (PCC) Pavement. For curing CTB placed under PCC pavement, use white-pigmented, liquid membrane-forming compound conforming to ASTM C 309, Type 2, Class A or Class B (wax-based). 304-2.5.2 Hot Mix Asphalt (HMA) Pavement. For curing CTB placed ...

ITEM 204 – PORTLAND CEMENT STABILIZED ROAD MIX BASE

This item shall consist of a foundation for surface course composed of soil-aggregate, Portland cement and water in proper proportions, road-mixed and constructed on a prepared subgrade/subbase in accordance with this Specification and the lines, grades and typical cross-sections shown on the Plans or as established by the Engineer.

(PDF) DPWH Blue Book LILY ROSE RAFAILA - Academia

Construction of government infrastructure facilities of the highest quality has always been the primary mandate of the Department of Public Works and Highways (DPWH). Cognizant of the importance of providing effective standard specifications to be

(PPT) Soil Stabilization .PPT Jonathan Hampton ...

TX-DOT’s Stabilization Selection Guidelines Mike Arellano (2004) -----SOILS----- Road Plant Mixed Cement TxDOT Spec Items 275 or 276 Test Method 120E Lime TxDOT Spec Items 260 or 263 Test Method 121E part I , II Fly Ash TX DOT Spec Item 265 Test Method 127 E Lime Basics Let’s begin with lime because it is widely used and is a rather simple ...

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Cement-stabilized mixture, as used herein, is a mixture of Portland cement and in-place or select borrow material uniformly blended and compacted as specified to produce a pavement base course or subbase which meets the criteria set forth in the drawings and specifications. The cement-stabilized mixture placed directly under the bituminous surface

DPWH Blue Book PDF Road Surface Concrete

Mix Base Course, Cubic Meter (New or Salvaged) Soil-Aggregate. ITEM 206 – PORTLAND CEMENT TREATED PLANT MIX BASE COURSE. 206.1 Description. This Item shall consist of a foundation for surface course composed of

CONTRACT PLANS BUREAU AVERAGE PRICES CATALOG

304010005 20 base-cement treated cuyd 24,272 $49.44 304010012 20 base-cement treated-pulverized sqyd 88,838 $3.00 401020021 20 commercial mix-pg 70-28 ton 310 $165.00 401020022 20 commercial mix-pg 64-28 ton 11,598 $113.86 401020023 20 commercial mix-pg 58-28 ton 3,833 $143.85 401020045 20 plant mix surf gr s-3/4 in ton 516,318 $35.39