Hunting Cabin Curtains

TABLE OF CONTENTS test

To make it easier to access all the entries we have done, then prepare an index of all the documents that contains the log, classified according to their content.

1. test Frost Report Novelda stone.

2. Analysis of damage after different cycles:
--- Comparison of damage before and after the introduction in the oven. 18/05/2006
--- Check damage at 12 cycles. 12/05/2006
--- Checking for damage after 9 cycles. 09/05/2006
--- Checking for damage after 6 cycles. 05/04/2006
--- Checking for damage after 3 cycles. 27/04/2006
C --- test OMMENCEMENT Frost, Novelda stone. 24/04/2006

3. UNE-EN 12371: 2001
TEST METHODS FOR THE STONE NATURALDETERMINACIÓN Frost resistance

4. Church of the Savior, pink limestone Sepúlveda

5. Books concerning Natural Stone :
- "The wood and stone monuments" Villalvilla Olga Sanz
- "Granites of Spain" Helena Pérez Calvo
- "Boards of Spain" Leticia Fernández Merino

6. tagged pages with del.icio.us system

7. "Cosentino" Natural Stone Company

8. Buildings Natural Stone:
- Monument to Alfonso XII . Mercedes Alonso Cuadrado, Leticia Merino Fernández
- Gate La Latina. Villalvilla Olga Sanz, Zaida Pereira Lucas
- Ruins of San Isidoro . Helena Pérez Calvo

9. Welcome

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Frost Report stone damage Novelda

Frost Essay adapted from Novelda stone.

We moved our field test the stone Novelda, difficulties of obtaining the Limestone Rosa Sepulveda. Adaptation
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UNE-EN-12 371 of "Determination of Frost resistance" according to our possibilities in the laboratory:

-size specimens: 5x5x2 cm, cut in the workshop.

-Number of specimens: 18, of which 6 was tested with polished finish, 6 with abujardado shop, and 6 also carved in the workshop.

-Equipment used:
1.Barreño with water to soak the stone in the process of absorption and thawing. Frost

2.Cámara of
3.Horno adapted
-Cycles: Period
water absorption of the 18 samples for 5 hours. Top
freeze / thaw, following these steps:

1-Introduction in the House of Frost until the freezing of water absorbed by the pores. At an estimated time of 20 hours.

2-Removal of the camera and start soak for 4 hours to defrost and water absorption.

3-repeat cycle 14 times, making checks the state of the stone every 3 cycles.

4-final drying at 70 degrees to make the final verification of the damage to the stone by visual observation.

5-Preparation of a comparative report for each of the finishes

6-Public display of the results through an interactive presentation.


Phases of testing: performance calendar

According to the accessibility of the lab and our students time, developed a timetable adapted as possible to the required cycles, which is as follows:

-Monday April 24:
Preparation of specimens with three 11:30
finished testing Posted soaking the specimens to absorb water.
15:00 Introduction to the freezing

-Tuesday April 25: Cycle 1
16:00 Posted soak to thaw and water absorption.
20:00 Introduction to the freezing

-Wednesday April 26: Cycle 2
Posted 16:00 soaking for thawing and water absorption.
20:00 Introduction to the freezing

-Thursday April 27: Cycle 3
10:00 Posted soak to thaw and water absorption. 15:00
Checking deterioration experienced by the rocks: no damage seen. Introduction to the freezing

-Friday, 28 April: Cycle 4
Posted 10:00 soaking for thawing and water absorption.
15:00 Introduction to the freezing

-Saturday, April 29:
Samples are soaked
-Sunday April 30:
Samples are soaked
-Monday May 1:
Samples are soaked
-Tuesday May 2 :
Samples are soaked

-Wednesday May 3: Cycle 5
16:00 Posted soak to thaw and water absorption.
20:00 Introduction to the freezing

-Thursday May 4: Cycle 6
Posted 10:00 soak to thaw and water absorption. 15:00
impairment test experienced by the rocks: loss of sand, which is at the bottom of the tub. Introduction to the freezing

-Friday 5 May: Cycle 7
Posted 10:00 soaking for thawing and water absorption.
15:00 Introduction to the freezing

-Saturday May 6:
Samples are soaked
-Sunday May 7:
Samples are soaked

-Mon 8 May: Cycle 8
16:00 Posted soak to thaw and water absorption.
20:00 Introduction to the freezing

-Tuesday May 9:
Cycle 9 16:00 Posted soak to thaw and water absorption. 20:00
Checking deterioration experienced by the rocks: visible loss of material in the corners of the specimens. Introduction to the freezing

-Wednesday, May 10: Cycle 10 16:00 Posted
soak to thaw and water absorption.
20:00 Introduction to the freezing

-Thursday May 11:
Cycle 11 10:00 Posted soak to thaw and water absorption.
15:00 Introduction to the freezing chamber.

-Friday, May 12:
Cycle 12 10:00 Posted soak to thaw and water absorption. 15:00
Checking deterioration experienced by the rocks: spalling and erosion of initial cracks in the samples. Introduction into the freezing chamber.

-Saturday, May 13:
Samples are soaked.
-Sunday May 14:
Samples are soaked.
-Monday May 15:
Samples are soaked.

-Tuesday May 16: Cycle 13
Posted 16:00 soaking for thawing and water absorption.
20:00 Introduction to the freezing chamber.

-Wednesday May 17:

Cycle 14 16:00 Posted soak to thaw and water absorption. Checking the deterioration experienced by the rocks: emerging changes color in the veins.

-Thursday 18 May: 10:00 Introduction
in the oven to remove all water. 15:00
Removing the oven.

-Friday 19 May: 16:00
damage analysis and report preparation.

damage Check

After removal of the furnace was possible to make a better visual analysis of the samples, mainly in the different finishes, which is soaked or after freezing showed a layer of water that prevented a correct reading of the differences.

Observed damage to any finish are either:

1-Loss of material is deposited the bottom of the basin during the thawing process.

2-Impairment of the surface of the specimens, missing dust that sticks to your hands after rubbing.

3-The bottom of the specimen is one that has suffered more damage from further contact with the surfaces of the oven and freezer. Have lost large chunks, resulting in peeling laminate, which is clear and weakens the rock, so much so that simply by wedge blades can break off the field.

4-It notes an obvious color change and n some parts of the stone, we assume that may correspond to the impurities that were previously found in the specimens, which by contact with water may have undergone some transformation.

5-addition, most of the cracks have increased in size, being filled with solutions formed by the appearance of water in them.

Comparing the variations in each of the finishes we see:

1-chased samples have been eroded to lose their texture to the eye, being necessary to identify finishing touch.

2-polishing does not present any significant variation in the light on its surface finish.

3-The finish is the May abujardado r has suffered damage, as it has enhanced its initial roughness because of the nature of the finish that leaves open the pores of the stone facilitating the entry of water and loss of material after freezing it. So much so that in the samples which did not respect the expected margin for finishing the border has deteriorated lost more material.

Conclusions:

In conclusion, we admit that the rock properties are modified due Novelda wing freezing of water in its pores, but to reach better conclusions this regard, defining the damage to the stone structure and its most defining and Esla resistance would require a greater number of cycles, as the UNE-EN-12371.

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comparison before and after the introduction in the oven damage

compared visible variations in the samples after soaked for icing to put them in the oven, and departure from the oven, when they had lost all the water.

The wet specimens difficult for examining them by touch, but they perceived a change in the color of the stone in specific regions. After removal from the oven these differences became apparent. Furthermore, pasty texture the surface of the specimens when they were transformed to wet out of the oven in a soft unusual, which was accompanied by release of dust that sticks to the skin. The specimens were quite weak, and would then finish cycle into pieces, which would take as the main guide the cracks increased in size with cycles. In fact the lower surfaces of the samples, have a less flattering placement, have lost even bigger trozon material.

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Check

After twelve cycles of freezing and thawing, the samples continue to lose material. The initial cracks the same, which in origin were rarely perceived even in thorough analysis of each piece, they are now highlighted, and expanded its width flaking, its borders.

also appreciate a slight increase in absorption of the specimens, it is necessary to increase the water level in the tub to get to coat completely.

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12 cycles to check for damage Check

After nine cycles, checking the status of the samples after defrosting is soaked, and you can feel the erosion of the songs, expected result because all nine cycles when standard specifies that it will begin to feel the resentment of the standard. It also increases the amount of sand deposited on the bottom, making it easy to perceive with the naked eye.

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9 cycles 6 cycles damage

After six cycles back to check the damage in the samples. Although no visible changes can be seen, have been deposited at the bottom of small particles of stone bowl, which is noticeable to the touch from the hand by the fund.