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1. Adopt invitation to bid (public bidding). 2. Prepare two targets (10 11 on 11 of a month at 9 16 o'clock in the tenderer's chief engineer's office to receive the bidding documents (the bidding documents are sold for no less than 5 days). 4. When bidding, the municipal notary office entrusted by the tenderer shall check the sealing of the bidding documents.

5. The members of the bid evaluation committee shall be directly determined by the tenderer (randomly selected). 6. The bid evaluation committee determines that contractor B is the winning bidder. (The bid evaluation committee recommends B as the winning candidate).

There is no land use certificate and there are no bidding conditions, and the preparation of two bid bases is incorrect. Whether or not to win the bid is decided by the bid.

Structural design is more difficult, but as long as you study carefully, there is no problem, and now with the help of computer software, it is much easier than the previous design.

1.Answer: It depends on whether the cracks of the non-load-bearing wall are in a line with the cracks of the ground, and if the --- is not good, it may be the local settlement caused by the poor treatment of the foundation, and it may continue to crack after a long time. Not in --- is not a big problem can be bought.

2.Answer: The cracks of the floor tiles are also cracked by expansion and extrusion caused by heat, and there are cracks between the floor slabs that drive the ground to crack. If you exclude the problem of 1--- these two points are not a big problem, and basically do not affect the quality of the house.

Supplement 1Answer: 5cm higher is good to prevent water overflow, indicating that the construction party is in accordance with the standard construction 2A: In the case of the case you mentioned, a six-story house is more common, because it is a brick and concrete structure, and it is not poured in one piece like the upper floors.

Generally, problems will gradually appear in the house after about 30 years. So you see that the houses in China that have been around for about 30 years have basically started or have been demolished. Foreign homes are generally renovated at least once every 30 years or so.

It doesn't matter if there is a crack in the non-load-bearing wall, it is a dry crack; But to see what is the reason for the cracks in the floor tiles in the living room, most of the houses in 99 are floor slabs, if the floor cracks are dry and cracked, it doesn't matter, the transverse cracks are quality problems

Judgment: 1, x 2, x 3, x 4, x5, x6, x 7, pair 8, x9, 10, x

Select: a a a c a b c c a a fill in the blanks: 1, applicable, safe, economical, beautiful.

2. Public residence.

3. Rigidity and flexibility.

4. Artificial foundation and natural foundation.

Not all of them.

I know that the shelf life of the water stove is six months, and if it is overdue, it will be overdue, and the positioning axis.

1. The positioning axis should be drawn with fine dots.

2. The positioning axis should generally be numbered, and the number should be noted in the circle at the end of the axis. Circles should be drawn with thin solid lines with a diameter of 8 10 mm. The center of the circle of the positioning axis should be on the extension line of the positioning axis or on the polyline of the extension line.

3. The number of the positioning axis on the plan should be marked on the lower and left sides of the drawing. Horizontal numbering should be written in Arabic numerals, from left to right, and hidden vertical numbering should be written in uppercase Latin letters, in order from bottom to top.

4. The Latin letter i, sell letter o, z shall not be used as the axis number. If the number of letters is not enough, you can add double letters or single letters with a number footnote, such as AA, BA, etcYA or A1, B1....y1。

5. The positioning axis in the complex plan can also be used by the partition number, and the annotation form of the number should be "the partition number - the partition number". The area number is indicated in Arabic numerals or uppercase Latin letters.

Mortar water retention should be added cellulose...

I remember that the mortar strength grade should be M20, M15, M10, and other six strength grades.

According to the testing purpose of non-destructive testing technology, what are the types of non-destructive testing?

Non-destructive testing can be divided into two categories, surface inspection and internal testing, conventional testing, internal testing: ultrasonic testing (UT) and radiographic testing (RT) surface inspection: magnetic particle testing (MT) penetrant testing (PT) eddy current testing (ET) I studied non-destructive testing, and can only answer your one question.

Good luck finding the full answer.

There are too many of them, only to go to the library to read books to find them.

Refer to "Reinforced Concrete Structure", "Building Materials", "Quality Inspection", "Civil Engineering Construction Technology", etc.

A small score is a small thing, and these questions can be done by themselves.

3 meters high blue brick wall, brick stacks with a size of 50 cm x 50 cm every five meters.

The floor beam is 400mm wide and 1000mm high

Ground beam reinforcement: 3 steel bars with a diameter of 18 in the upper part, and 3 steel bars with a diameter of 18 in the lower part.

The two sides of the ground beam are equipped with three waist bars with a diameter of 12, and the stirrups of the ground beam are 8 diameter spacing 200mm, and this drawing is not clear and unclear.

Retaining wall: wall body steel double-layer two-way diameter 12 spacing 200mm look!

This building is the site of the Paris Opera, with a photo shoot from the side.

The Paris Opera, also known as the Opéra Garnier.

It is a 2,200-seat opera house located in Paris, France. The Paris Opera is the largest lyrical theater in the world, with a total area of 11,237 square meters. The opera house was designed by Charles Garnier in 1861.

Cartographic principle: orthographic projection. That is, all parallel projection rays perpendicular to the projection plane are called orthographic projections.

A projection in which all the projection lines are parallel to each other is called a parallel projection. Parallel projection is divided into oblique projection and orthographic projection. When the projection line is inclined to the projection surface, it is called oblique projection; When the projection line is perpendicular to the projection surface, it is called orthographic projection.

Introduction) is more abstract, if you don't say it in person, I'm afraid it's difficult to understand, you think about it yourself. Or if you have a good understanding, you may be able to understand it in a few minutes.

The shape and size of the building are expressed in three forms: flat, vertical and sectional.

Floor plan: cut at the window of the building to look down on the floor plan. Imagine the shape of walls, windows, doorways, steps, etc., as well as the number and size of the axis.

Elevations: The front and side facades of buildings, components, etc., are well understood.

Sectional drawing: The interior of the building cut by the cutting marking, its structure, elevation size, etc., is also easier to understand. Its orientation can be identified by axis coding.

After the combination of the three drawings, you can understand the general situation of the shape and scale of the building, and there are many professional supporting drawings and large sample details in the actual construction, standard atlases, etc., but the principle is the same.

In general, in order to understand the in-depth understanding, it is necessary to read more books such as architectural drawing codes.