Masonry Block Cap, 12x16in (10 Sets, 2 Per Set)
Masonry Block Caps offer a unique unbonded capping method for the compressive strength testing of masonry units. This cost-effective alternative to sulfur capping minimizes time, labor, expense, and equipment such as ladles and melting pots. A fibrous composite is laminated to the tough plastic sheeting, providing rigidity, proper load distribution, and protection of the machine platens. Composite material flows during compression to fill the irregularities in the concrete masonry unit, distributing test loads uniformly.
This method is comparable in accuracy to capping with hydrocal gypsum but is not noted in the ASTM C140 method. Block Caps are ideal for internal QC testing applications and eliminate the need for mixing, cutting, or measuring. Each carton contains ten sets (2 per set) of single-use Masonry Block Caps.
Features:
- Cost-effective alternative to sulfur capping, ideal for QC testing applications
- Reduced time, labor, equipment
- Load uniformity and protection of machine platens
- Less time spent mixing, cutting, and measuring
Deslauriers introduces the first UNBONDED CAPPING SYSTEM for compression testing of concrete masonry units!
- Convenient and uncomplicated.
- No mixing, cutting or measuring.
- Clean and economical, saving time and labor.
- Accurate and consistent. Based on comparison tests this unit indicates excellent results versus capping with hydrocal gypsum performed according to ASTM C140.
The block cap compresion pad is a firous composite laminated to tough plastic sheeting.
The composite flows into the irregularities of the CMU, thus distributing the test load uniformly-with no damage to the cell stems. The plastic sheeing provides rigidity and provides
protection to machine platens.
CAT#: BC08 --8”x16” CMU, 10 sets/carton
CAT#: BC12 --12”x16” CMU, 10 sets/carton
Block Cap-Nelson Test
ROBERT L. NELSON & ASSOCIATES, INC.
CONSTRUCTION MATERIALS LABORATORY
1220 REMINGTON ROAD
SCHAUMBURG, ILLINOIS 60173
847/882-1146
November 12, 2003
Deslauriers,Inc.
P. 0. Box 189
Bellwood, IL 60104
Attn: Mr. Mark B. Scanlon Director of Sales
REPORTOF TESTS
SUBJECT: |
Comparative Compressive Strength Study of Two Capping Methods for Concrete Masonry Units |
PROJECT: TESTMETHODS: |
ASTMC140,"TestMethodsofSamplingandTestingConcrete Masonry Units |
TEST DATA
Forty6"xa·x16"normalweightconcretemasonry units (CMU) and forty a·x8" x 16" normal
weight concrete masonry units (CMU) were tested in compression using two different types of capping materials. The first 20 of each size CMU were capped in accordance with ASTM C 140 with Hydrocal gypsum. The remaining 20 of each size CMU used a foam plastic composite pad as the capping material.
ROBERT l.NELSON & ASSOCIATES, INC.
CONSTRUCTION MATERIALS LABORATORY
1220 REMINGTON ROAD
SCHAUMBURG, ILLINOIS 60173
Deslauriers,Inc.
Comparative Compressive Strength Study ofTwo Capping Methods for Concrete Masonry Units November 12,2003
Type of Cap: |
Hydrocal Gypsum |
Foam and Plastic Composite Pads |
Hydrocal Gypsum |
Foam and Plastic Composite Pads |
Unit No:1 |
2980 |
3182 |
2705 |
2747 |
2 |
3131 |
3040 |
2788 |
2781 |
3 |
3060 |
3214 |
2610 |
2673 |
4 |
3210 |
3341 |
2834 |
2790 |
5 |
2893 |
3311 |
2666 |
2603 |
6 |
3101 |
3014 |
2589 |
2766 |
7 |
2912 |
2981 |
2763 |
2910 |
8 |
2864 |
3112 |
2804 |
2692 |
9 |
3087 |
3177 |
2777 |
2615 |
10 |
3170 |
3079 |
2591 |
2888 |
11 |
3204 |
2897 |
2644 |
2687 |
12 |
3252 |
3218 |
2689 |
2807 |
13 |
3072 |
3319 |
2732 |
2798 |
14 |
3117 |
3171 |
2727 |
2914 |
15 |
3196 |
3107 |
2791 |
2771 |
16 |
2931 |
3217 |
2689 |
2720 |
17 |
2975 |
3152 |
2701 |
2815 |
18 |
3111 |
2889 |
2660 |
2654 |
19 |
3288 |
2910 |
2677 |
2703 |
20 |
3103 |
3134 |
2691 |
2800 |
Average |
3083 |
3123 |
2706 |
2762 |
Standard Deviation |
120 |
132 |
69 |
81 |
c.o.v. |
3.9 |
4.2 |
2.5 |
2.9 |
ROBERT l. NELSON & ASSOCIATES, INC.
CONSTRUGrlON MATERIALS LABORATORY1220 REMINGTON ROAD
SCHAUMBURG, ILUNOIS 60173
847/882-1146
Deslauriers,Inc.
Comparative Compressive Strength Study of Two
Capping Methods for Concrete Masonry Units
November 12, 2003