Acrylic-based Polymer waterproofing Materials - Methods of Test, Part 2: Determination of Coarse Particles

IS 13435 Part 2 (1992) - Scope Overview

• Scope: IS 13435 Part 2 primarily covers design and construction requirements for specific structural elements or materials (e.g., steel structures, concrete elements) as per the standard's focus.
• It provides specifications for materials, fabrication, and testing relevant to the part.
• The standard references testing apparatus and methods to ensure compliance.
• It also includes guidelines for revision and updates to maintain alignment with evolving engineering practices.

Key Points (Generalized for IS 13435 Part 2)

Typical Formula (Example for Steel Design)

[ P_u = \phi \times P_n ]

• (P_u): Design load
• (\phi): Strength reduction factor (e.g., 0.9)
• (P_n): Nominal strength

If you need formulas or tables for a specific element in IS 13435 Part 2, please specify the element or material.

IS 13435 Part 2 primarily provides administrative references rather than technical formulas or tables.

Key Points from References Section:

• No technical formulas or design tables are included under "References."
• The section lists contact details for the Bureau of Indian Standards (BIS) and its regional offices.
• A revision table template is provided for tracking amendments but contains no entries.
• The standard acknowledges assistance from other publications but does not specify them here.

Summary:

For Structural Engineers:

• Refer to specific parts of IS 13435 or related IS codes for formulas, design tables, and specifications.
• Use BIS contact info for official clarifications or updated amendments.

flowchart LR
    A[IS 13435 Part 2] --> B[References Section]
    B --> C[Amendments Table (Empty)]
    B --> D[BIS Contact Details]
    B --> E[No Technical Formulas]

For design calculations, consult relevant IS codes like IS 456 (Concrete), IS 800 (Steel), etc.

IS 13435 Part 2 does not explicitly provide detailed formulas or tables for apparatus but specifies the apparatus requirements for testing.

Key Apparatus Specifications from IS 13435 Part 2:

• Wire Gauze: Use 180 mesh stainless steel wire gauze as per IS 460 (Part 1): 1985.
• Apparatus must conform to the quality and dimensions specified in the relevant IS standards referenced.

Additional Notes:

• The standard emphasizes using calibrated and standardized equipment to ensure test accuracy.
• For exact dimensions and material specifications, refer to IS 460 (Part 1) for wire gauze details.

Summary Table (Apparatus):

If you need apparatus design or calculation formulas (e.g., for load, stress), please specify the test or application context for precise formulas.

IS 13435 Part 2 references reagents mainly for testing purposes, with distilled water as the primary reagent.

Key Points on Reagents from IS 13435 Part 2:

• Reagent Specification:

  • Use distilled water as the standard reagent for all tests.

• Apparatus:

  • Specific apparatus details are in other parts (e.g., Part 4 for pH, Part 6 for alkali resistance).

• Tests involving reagents:

  • pH Value Determination (Part 4): Uses distilled water to prepare samples.
  • Alkali Resistance Test (Part 6): Uses alkali solutions prepared with distilled water.

Typical pH determination formula:

[ \text{pH} = -\log[H^+] ]

Alkali Resistance:

• Samples are immersed in alkali solutions (e.g., NaOH) prepared with distilled water.
• Concentration and duration are specified in Part 6 (refer to IS 13435 Part 6 for exact values).

Summary:

• Always use distilled water for reagent preparation.
• Refer to respective parts for detailed reagent concentrations and apparatus.

flowchart LR
    A[Distilled Water] --> B[pH Test (Part 4)]
    A --> C[Alkali Resistance Test (Part 6)]
    B --> D[Measure pH]
    C --> E[Prepare Alkali Solution]

IS 13435 Part 2: Sampling and Sample Preparation

Key Specifications:

• Sample Weight: About 100 g of sample, weighed with an accuracy of ±0.1 g.
• Dilution: If necessary, dilute the sample with distilled water to prepare for testing.
• Purpose: Ensures representative and consistent samples for determining solid content (as per Part 1).

Sampling Guidelines:

• Collect samples that are homogeneous and representative of the batch.
• Use clean, dry containers to avoid contamination.
• Mix the sample thoroughly before weighing.

Sample Preparation Summary:

This ensures reliable determination of solid content and other analyses.

flowchart TD
    A[Collect Sample] --> B[Mix Thoroughly]
    B --> C[Weigh ~100g ±0.1g]
    C --> D{Dilution needed?}
    D -- Yes --> E[Dilute with Distilled Water]
    D -- No --> F[Proceed to Testing]

This concise procedure aligns with IS 13435 Part 2 for accurate sampling and preparation.

IS 13435 Part 2 does not explicitly provide detailed test procedure formulas or tables in the given context. However, based on standard practices for polymer waterproofing materials testing, here are key points and general guidelines:

Test Procedure Essentials (Typical for Acrylic Polymer Waterproofing)

• Apparatus: Use calibrated instruments like tensile testing machines, ovens for curing, thickness gauges, and water permeability test setups.
• Rounding Off: Final test values must be rounded as per IS 2:1960 rules.
• Reporting: Include sample identification, test conditions, apparatus used, and measured values.

Common Test Parameters & Formulas

Specifications

• Follow sample preparation and curing as per IS 13435 Part 1.
• Conduct tests at standard lab conditions (23 ± 2°C, 50 ± 5% RH).
• Repeat tests on multiple samples and report average values.

flowchart LR
    A[Sample Preparation] --> B[Conditioning]
    B --> C[Test Setup]
    C --> D[Measurement]
    D --> E[Data Recording]
    E --> F[Apply IS 2:1960 Rounding]
    F --> G[Report Results]

For precise apparatus details and test methods, refer to IS 13435 Part 1 and related test standards.

IS 13435 Part 2 does not provide explicit formulas or tables under "Calculation and Expression of Results." However, it mandates:

• Rounding off results must follow IS 2:1960 "Rules for rounding off numerical values (revised)."

Key points for Calculation and Expression of Results:

• Final values (observed or calculated) should be rounded as per IS 2:1960.
• No direct formulas or tables are specified in IS 13435 Part 2 for result expression.
• Use standard engineering practice for calculations, ensuring clarity and consistency.
• Report results with appropriate significant figures and units.

Summary of IS 2:1960 Rounding Rules:

If you need formulas for test calculations, refer to the specific test clauses or related IS codes.

IS 13435 Part 2: Precision and Number of Determinations

• Number of Determinations:
  Minimum two determinations shall be made for each test to ensure reliability.

• Rounding Off:
  Final test values must be rounded according to IS 2:1960 rules for numerical rounding.

• Precision:
  While IS 13435 Part 2 does not explicitly specify precision formulas, typical practice involves calculating:

  • Mean ( (\bar{x}) ) of the two or more determinations
  • Standard deviation (s) if multiple results are available
  • Coefficient of Variation (CV%) = (\frac{s}{\bar{x}} \times 100%) to express precision

• Reporting:
  Report the average value rounded as per IS 2:1960, along with the number of determinations.

Summary Table

flowchart TD
    A[Test Sample] --> B[Perform Determination 1]
    A --> C[Perform Determination 2]
    B & C --> D[Calculate Mean and Precision]
    D --> E[Round off as per IS 2:1960]
    E --> F[Report Final Value]

For pH (Part 4), similar principles apply: minimum two measurements, mean value reported, rounded per IS 2:1960.

Reporting of Results as per IS 13435 Part 2:

• Rounding Off: Final test or analysis values must be rounded following IS 2:1960 "Rules for rounding off numerical values (revised)".

  Key rules from IS 2:1960 include:

  • If the digit to be dropped is less than 5, the preceding digit remains unchanged.
  • If the digit to be dropped is 5 or more, the preceding digit is increased by one.
  • Maintain consistency in decimal places as per test precision.

• Documentation: Results should clearly state:

  • The observed or calculated value.
  • The rounding method used.
  • Units and test conditions.

• Tables and Amendments: The standard references a table for amendments and revisions but does not specify detailed tables for reporting. Ensure to check latest amendments for updates.

Summary Table for Rounding (IS 2:1960)

This ensures uniformity and clarity in reporting structural test results.