Non-standard track and field track design and field venues

First, the design of non-standard track and field track

Some schools, due to the restrictions on the area of â€‹â€‹the venue, do not have the conditions to build a standard track and field, they can only design on the spot and build non-standard small track and field.

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The design of the small track and field is generally semi-circular and quadrangular. What kind of plan should be used depends on the actual conditions of the open space. Where the ratio of length to width of open space is close to 2 to 1 or 3 to 2, semi-circular track and field can be designed. ; Where the ratio of length to width of the open space is close to 1 to 1 or 4 to 3, a square-type track and field field can be designed. Here we only study small semi-circular track and field fields.

When designing a small track and field, generally the length of the first lane calculation line should be set to an integer. This is conducive to teaching, training, competition and exercise activities.

For the design of small track and field facilities, the number of lanes and the width of lanes should be determined according to the conditions and needs of the open space. More than 6 lanes should be set up as far as possible. The lane width is 1.22 meters or 1.25 meters; if conditions do not permit, the number of lanes is not limited. In 4, 1 meter wide.

When designing a small track and field facility, the environment around the venue should also be considered. There should be a certain amount of space around it for the purpose of visiting the competition. The minimum space is at least 1 meter.

(a) Design procedures and methods for small semicircular track and field

The design steps and methods for a small semi-circular track and field are as follows:

1. Measure the length and width of the open space, determine the number of lanes, the width of the lane and the space around the venue.

2. The initial calculation of the radius of the protrusion in the curve is as follows:

Space width -2 (runway width + room)

r=â€”â€”â€”â€”â€”â€”â€”â€”â€”â€”â€”â€”â€”â€” 2

3. Calculate the length of the first lane of the two corners according to the radius. The formula is as follows:

C=2Ï€(r+0.30)

4. Calculate the straight length, the formula is as follows:

One straight length = ground length - 2 (runway width + margin + radius)

5. Calculate the length of the track

Runway length = 2 bends + 2 straight lengths

6. Adjust the length of the runway to integer. You can subtract the number of integers from the curve or straight section.

7. Implement the design plan and draw a site plan.

Second, Tian Sai venue

(1) Precautions for setting up field racing venues

Tian Sai is a venue for jumping and throwing project teaching, training, competitions, and exercises outside the track and straight track of track and field. When setting up a field match, you should pay attention to the following points:

First, it is necessary to make full use of the open space on the track and field field and to arrange field venues reasonably so as to guarantee the smooth progress of teaching, training, competitions and exercises in the field events.

Secondly, field venues on the track and field fields in schools must be set according to actual needs and objective conditions. First, a certain number of venues for field events specified in the â€œPhysical Education Syllabusâ€ and â€œNational Physical Training Standardsâ€ must be guaranteed. To ensure the development of physical education teaching and extracurricular sports activities, we must consider setting up a more standard venue for field competitions in order to provide training for school track and field teams and track and field competitions.

Thirdly, the field competition venues prescribed by the track and field competition rules are requirements for standard track and field venues and field competition venues for regular competitions. The field competition venues on school track and field venues must take into account the requirements of the rules and must proceed from reality.

Fourth, when setting up field venues, care should be taken to avoid or minimize interference when using field races and track races and between field events and field events. Pay special attention to the location of the pitching site to ensure safety.

Fifth, the school track and field fields, most of which are comprehensively used sports fields, are designed to facilitate morning exercises, class exercises, and ball games. In the middle of the two straight sections, try not to set up bunkers and lead shot courts.

(B) How to draw the venue

1, push lead field

The shot throwing circle has a diameter of 2.135 meters, and the effective falling area is a 40 degree angle sector.

Site painting method: Set O point as the center of the circle, and take 1.0675m as the radius to draw the shot throwing circle. Determine the throwing direction and draw the diameter AB of the throw circle perpendicular to the throwing direction, and extend 75cm outside the circle. Take the two points A and B as the center, and use the calculated angle of 70 degrees for the 1.224 m chord of the throwing arc as the radius, draw points C, D on the first half of the throw circle, connect OC and OD, and Extended, it constitutes the area where the lead shot court is located. Within the landing area, draw a distance marker line every 1 meter. The line width is 5 centimeters.

2, throw javelin venue

The javelin throwing site is 4m wide and the radius of the throwing arc is 8m. The effective falling area is a sector of about 29 degree angle.

The drawing method of the venue: After determining the throwing direction, draw two parallel lines that are 4 meters apart to form the runway for the javelin throw. The length of the runway is 30-36.50 meters. The center O of the parallel line of the runway is used as the center to 8 meters. For Radius, draw an arc in the direction of the throw, cross parallel lines A, B, draw a 75cm line on each end of the arc, connect the OA and OB and extend it to form the javelin landing area. Inside every 5 meters draw a distance marker line, line width 5 cm, throw arc width 7 cm.

3, throwing grenades

Since throwing grenades is not listed as an official track and field event, there are no rules and venue requirements for throwing grenades in the rules of the track and field competition. In order to conduct teaching, testing and competitions for throwing grenades, the traditional grenade venues and paintings are introduced. as follows:

After determining the throwing direction and the position of the throwing area, draw two parallel lines that are 1.25 meters apart to form the runway. The runway is about 20 to 30 meters long. Connect the runway and draw two parallel lines that are 4 meters apart to form the throw zone. The throwing area is 6~8 meters long. Connect with the throwing area and draw two parallel lines that are 10 meters apart to make up the falling area. Within the falling area, draw a distance marker line every 5 meters.

1, long jump and triple jump venues

The long jump and triple jump bunkers have a width of at least 2.75 meters and a length of 6 to 9 meters. The sand surface inside the sand pit and the surface of the takeoff board are on a horizontal plane. The sand pit wall is made of wood or other materials and is fixed by piles.

The springboard is made of wood and measures 1.21 to 1.22 meters long, 19.8 to 20.2 centimeters wide, and no more than 10 centimeters thick. It is painted white and buried underground. The distance from the springboard to the nearest end of the bunker is 2 to 4 meters. The jump is 9~13 meters. The runway is 1.22~1.25 meters wide and at least 40 meters long.

2, high jump venues

A bunker or sponge bag for high jumps, at least 5 meters long and 3 meters wide. The sand or sponge bag should be higher than the ground. The height above the ground should be determined according to the level of students and athletes. The high jump is vertical to the left of the vertical plane. On the ground on both sides of the right, each draws an extension of 5 centimeters in width and 4 meters in length. The width of the line includes one side of the area.

The length of the high jump runway must not be shorter than 15 centimeters, and the conditional permission is not less than 25 meters.

Third, the construction, maintenance and repair of track and field venues

1. Basic requirements for the construction of athletics venues

The basic requirements for building an athletic field include the following:

First, the construction of track and field venues should first be based on local conditions, economical, and conducive to the teaching of athletics, training, competitions, and the development of mass athletics.

Second, we must pay attention to the construction of track and field facilities in places where there is high ground, plenty of sunshine, fresh air, and easy drainage and water supply.

Third, to design athletics venues, there must be enough open space around them to visit the competition, plant trees and install ancillary equipment.

Fourth, a reasonable arrangement of various field events.

Fifth, schools should build track and field venues, and if possible, build a standard semi-circular track and field stadium with a perimeter of 400 meters.

2. Construction of track and field stadium

The construction of a large-scale track and field stadium requires a large amount of manpower and material resources, which is generally not available in secondary schools. It is mainly the construction of a track and field stadium for the construction of a coal cinder track.

The structure of the coal slag track is usually divided into three layers. The lowermost layer is called the base layer, and is compacted with slightly larger stones and crushed bricks. Its thickness is 15 to 20 centimeters. The middle layer is called elastic layer, and the cinder ash is slightly smaller. Crushed slag bedding compaction, the thickness of 10 to 15 cm. The surface layer is compacted with a mixture of fine cinder, clay, lime and other materials, the thickness of 8 to 12 cm.

3, the use of track and field

In order to maintain the service life of track and field stadiums and ensure the smooth progress of track and field sports teaching, training, competitions and exercises, it is necessary to formulate usage regulations, put forward requirements for use, and maintain cleanliness in the stadium.