Betonamit
Commonly misspelled as Betonomite, Betonomit, and Betonamite, the highly effective non-explosive demolition agent is perfect for drilling and blasting work. Betonamit, (pronounced beh-tah-na-mite) a non-explosive cracking agent, is a non-toxic powder. When mixed with water and poured into holes of 1-1/4", 1-3/8" or 1-1/2" diameter, it hardens and expands, exerting pressures of 12,000 psi. Reinforced concrete, boulders, and ledge are fractured overnight with no noise, vibration, or flyrock.
Used in demolition, mining, and quarrying, non-explosive demolition agents such as Betonamit are an alternative to explosives. Like use with conventional explosives, a slurry mixture of Betonamit and water is placed into holes that have been drilled into the base rock. A cracked pattern appears in the rock after a few hours, similar to that of conventional explosives, as the slurry expands.
Some of the advantages of non-explosive demolition agents is that they are silent and do not cause the same vibrations of a conventional explosive. In addition, many countries have restrictions and regulations placed on explosives, while Betonamit is readily available.
The Perfection Solution for Indoor and Outdoor projects:
- Bridges
- Ledge
- Machinery Bases
- Slabs 6" Thick and More
| - Dams
- Boulders
- Concrete Piers
- Limestone and Granite
|
Features: - Three Year Shelf Life
- One product for all temperatures
- No licenses or permits required
- Read instruction book before using!
Betonamit Technical Manual: Covers hole depth, hole pattern, use instructions, mixing instructions, estimating quantities.
Betonamit Type R-Liquid: 5 kg Containers
Betonamit Type S (Putty): 5 kg Containers
Technical Manual Betonamit has been used safely and with great results by thousands of contractors and homeowners all over the world. Safe use depends on following instructions and wearing safety goggles at all times. Although non-toxic, Betonamit is caustic, and can cause severe eye injury if splashed into eyes while mixing or pouring. Also, the chemical reaction of Betonamit and water generates heat. If this reaction goes too quickly, the temperature can go above the boiling point of water before all the water has chemically combined with the Betonamit. This can result in a steam-driven explosion which blows the Betonamit from the hole with sudden force. To avoid blowouts, follow the instructions regarding mix water temperatures and hole sizes, as told later in the manual. Always wear safety goggles, and never use drill holes larger than 1-1/2” diam eter. Blow dust out of the holes before drilling, and keep Betonamit cool before use. Hole Depth 1.)Maximum Hole Depth is 10 feet. 2.)Minimum Hole Depth is 4 times hole diameter; for example 5” with 1-1/4” hole, 6” with 1-1/2”. Holes shallower than 4 times diameter are likely to blow out. 3.)In reinforced concrete, drill 85 to 90% of its depth. In ledge, drill as deep as you want to remove. In boulders, drill 2/3 to ¾ of the rock’s thickness. Hole Pattern
1.) Holes must be drilled so as to allow a free face for the Betonamit to push toward. For example, drilling at a 45 ° angle in a flat surface of ledge will push it upwards, but drilling straight down might not allow anywhere for the pressure to go. 2.) To demolish a slab without pushing out the walls which surround it, drill a cone shaped pattern at the center and fill these holes first. The cone will pop upwards and create a free face. 3.)Hole pattern depends on tensile strength of what you’re breaking, amount of rebar if any, and the size of the pieces you want when you’re done. This can often be determined by experiment; a good starting point is to space holes one foot on center in rows one and a half feet on center. In non-reinforced concrete, holes may be spaced as far apart as 24”. 4.) Hole pattern also depends on how fast you need results. More holes spaced closer together will live faster break times and smaller pieces, but this costs more in labor and Betonamit.Boulders are much easier in break than reinforced concrete or ledge, and drill holes can be spaced further apart, especially if breaking speed is not critical. 6.) When removing part of a slab, you will want to prevent cracks from spreading into the rest of the slab. Drill holes 6” on center in a line between the “demolish” section and the “keep” section, and then fill every third hole. The empty holes form weak points and prevent cracks from spreading into the “keep” section. 7.) Empty holes can also be used to direct cracks –they cost less than filled holes. For example, if you want to break a boulder into thirds, you can use this pattern:
This will save money compared to filling all the holes, but will slow down the breaking time.
These instructions are essential for safe and effective use of Betonamit.
Temperature Chart
| | Rock or Concrete Temp (ºF) | Water Temp (ºF)
| Hole Size
| | 25 - 40 | 110 Max.
| 1-1/2” dia | | 41 - 57 | 85 Max.
| 1-1/2” or 1-3/8” dia. | | 58 - 72 | 65 Max.
| 1-1/4”, 1-3/8”, or 1-1/2” dia. | 73 - 80
| 40 Max. (iced)
| 1-1/4” or 1-3/8” dia. | 81 - 95
| 33 Max. (iced)
| 1-1/4" dia. |
When rock or concrete is above 73º F, add 5 ounces of extra water per 5 kilo container, 33º (iced). Halve this amount when using Type S in 2-1/2 kilo containers. Over 95º F, cool holes with cold water, then blow out before installing Betonamit. Notes: 1.) Hole temperature can often be reduced by waiting until late night or early morning. 2.) When rock or concrete is above 65°F, keep the Betonamit as cool as possible before use. 3.) When rock or concrete is above 85°F, store Betonamit in a cooler with ice or in a refrigerator before use. 4.) When rock or concrete is above 73°F, do not mix more than one 5 kilo container at a time. 5.) Measure the rock or concrete temperature- DON’T GUESS! Tie a string onto the thermometer and lower it into the drill hole. |
Betonamit Mixing Instructions for Type R and Type S
Mixing Betonamit -Type R (Liquid)Used for Vertical Hole Drilling
1. Read this manual page for page before using Betonamit. 2. Wear safety goggles and clear the area of all non-essential personnel. 3. Measure temperature of drill holes. 4. Add one liter of clean water of proper temperature to plastic mixing bucket. See Temperature Chart on preceding page. 5. Dump one 5 kilo container of Betonamit into bucket with water. 6. Begin mixing immediately wait 1/2" electric drill with mixing attachment. 7. Betonamit will seem dry at first -do not add more water! 8. Once mixing begins, you have only 5 minutes to finish mixing and fill holes . Do not stop to take a phone call or fool around. Longer mixing times increase likelihood of blowouts. 9. Fill holes as quickly as possible. Do not use a funnel. Do not plug holes or place heavy objects on holes. 10. Cover holes with a tarp if people will remain in the area -especially in hot weather, when blowouts are more likely to occur. Notes: 1. Never fill glass or metal containers with Betonamit, or any container which widens towards the bottom. 2. Never pump Betonamit. 3. Mixing by hand lengthens mix time and is more likely to result in a blowout. 4. When rock or concrete is above 73 F, add 5 ounces of extra water per 5 kilo container (33 F, iced).
Estimating Quantity Required Type R (Liquid) 5kg.Each 5 kilo container will fill 7-1/2 linear feet of 1-1/2" hole, 10 linear feet of 1-3/8" hole, or 11 feet of 1-1/4" hole. For 1-1/2" holes: # of holes x depth in feet divided by 7.5 = # of 5kg containers needed. For 1-3/8" holes: # of holes x depth in feet divided by 10 = # of 5kg containers needed. For 1-1/4" holes: # of holes x depth in feet divided by 11 = # of 5kg containers needed. |
Mixing Betonamit -Type S (Putty) AdditiveUsed for Horizontal Hole Drilling
Betonamit Type S is an additive that you add to the Type R mix and it forms a putty instead of a liquid, for use in horizontal holes, uphill and overhead holes, and holes with water seeping in. 1. Read this manual page for page before using Betonamit. 2. Wear safety goggles and clear the area of all non-essential personnel. 3. Measure temperature of drill holes. 4. Add one liter of clean water of the proper temperature to a plastic mixing bucket. 5. Dump one 5 kilo container of Betonamit Type R and the Type S additive to the bucket with water. 6. Begin mixing immediately with a 1/2" electric drill with mixing attachment. 7. Type S (Putty) Betonamit may seem dry at first - do not add more water! 8. Mix until material is thoroughly moistened and forms small balls. 9. Wearing rubber gloves or surgical gloves, pick up a handful of Betonamit and knead it like dough. 10. On a clean surface, roll Betonamit into cylindrical sausage shapes slightly smaller than the hole diameter. 11. Place the rolled Betonamit in holes and pack tightly with a dowel or rod slightly smaller than hole diameter. 12. Cover holes with a tarp if people will remain in the area. Notes: 1. Mix only one 5 kilo container at a time. 2. Two people are recommended - one to knead and roll, one to pack. 3. Fill holes within five minutes. 4. Type S is useful when holes have water seeping in. 5. Drilling holes at a slight downward angle instead of horizontal allows the use of Type R (liquid) which is easier and faster. 6. When rock or concrete is above 73 F, add 2-1/2 ounces of extra water (33 F,iced). |
Blowout Causes
What Can Cause a Blowout?
1. Using too large a hole diameter. See temperature chart.
2. Using too warm mix water. See temperature chart.
3. Using too little water, especially when rock or concrete is above 73 F.
4. Lots of dry dust in holes can absorb water from the mixed Betonamit, causing same as #3 above.
5. Too much time passing between beginning to mix and filling holes.
6. Mixing by hand can result in #5 above.
7. Guessing at drill hole temperature instead of measuring it.
8. Guessing at water temperature instead of measuring it.
9. Holes that are too shallow. Depth must be 4 times diameter or more.
10. Allowing the Betonamit powder to become too hot before mixing with water.
11. A "know-it-all" attitude that causes some people to ignore this manual instead of reading it thoroughly, cover to cover.
12. Holes drilled closer than 10" apart in soft rock or concrete, in hot weather.
Always wear safety goggles when working with Betonamit.
NEVER USE DRILL HOLE DIAMETERS LARGER THAN 1-1/2"
Blowouts will usually not occur more than 3 hours after filling holes.
So whether you're buying Betonamite, Betonomit, Betonomite, or Betonamit, know that D&L Thomas can supply you with what you need at the prices you expect.
This product was added to our catalog on Tuesday 05 May, 2009.